RelationshipsJukeBox/Core.lua

local ADDON_NAME = "RelationshipsJukeBox"
local ADDON_MEDIA_PREFIX = "Interface\\AddOns\\RelationshipsJukeBox\\Media\\"

RelationshipsJukeboxDB = RelationshipsJukeboxDB or {}

local RJ = {}
RJ.page = 1
RJ.pageSize = 12
RJ.rows = {}
RJ.playQueue = nil
RJ.playQueuePosition = 0
RJ.searchFilter = ""
RJ.filteredIndices = nil  -- nil = no filter (show all); table = list of DB indices matching search
RJ.currentIndex = nil
RJ.currentPath = nil
RJ.currentName = nil
RJ.currentCanStop = false
RJ.currentDuration = 0
RJ.trackEndTime = nil
RJ.autoPlayEnabled = false
RJ.shuffleMode = false
RJ.isPaused = false
RJ.pauseCooldownUntil = 0  -- timestamp until which pause/play is blocked (1s cooldown)
RJ.playCooldownUntil = 0   -- timestamp until which the Play button is blocked (1s cooldown)
RJ.skipCooldownUntil = 0  -- timestamp until which Skip is blocked (1s cooldown)
RJ.prevCooldownUntil = 0   -- timestamp until which Previous is blocked (1s cooldown)
RJ.stopCooldownUntil = 0   -- timestamp until which Stop is blocked (1s cooldown)
local COOLDOWN_SECS = 1    -- universal cooldown for all playback buttons

-- Polling state: when a track has no duration metadata, we poll IsPlaying
-- to detect when it finishes, so autoplay/shuffle can advance.
RJ.pollingForEnd = false
RJ.pollStartDelay = 2
RJ.pollTimer = 0
RJ.pollInterval = 0.5
RJ.consecutiveNotPlaying = 0
RJ.consecutiveThreshold = 4

-- Fallback duration used when no metadata is available (seconds).
local FALLBACK_DURATION = 180

local function Count(t)
  if table.getn then return table.getn(t) end
  local n = 0
  while t[n + 1] ~= nil do
    n = n + 1
  end
  return n
end

local function Trim(s)
  if not s then return "" end
  return (string.gsub(s, "^%s*(.-)%s*$", "%1"))
end

local function NormalizePath(input)
  local path = Trim(input)
  path = string.gsub(path, "/", "\\")
  if path == "" then return "" end
  if string.find(string.lower(path), "^interface\\") or string.find(string.lower(path), "^sound\\") or string.find(string.lower(path), "^data\\") then
    return path
  end
  return ADDON_MEDIA_PREFIX .. path
end

local function CanonicalPath(input)
  local path = NormalizePath(input)
  return string.lower(path)
end

local function EnsureDB()
  if type(RelationshipsJukeboxDB) ~= "table" then RelationshipsJukeboxDB = {} end
  if type(RelationshipsJukeboxDB.tracks) ~= "table" then RelationshipsJukeboxDB.tracks = {} end
end

local function ExtractFileName(path)
  local clean
  if not path then return "" end
  clean = string.gsub(path, "/", "\\")
  clean = string.gsub(clean, "^.*\\", "")
  return clean
end

-- Clean up a file name for display: strip leading numbers, dashes, underscores,
-- and convert remaining underscores to spaces.  Also remove the file extension.
-- Examples:
--   "05 - this_song3.mp3"  -> "this song"
--   "01. Session.mp3"      -> "Session"
--   "06 - System Of A Down - Chop Suey_.mp3" -> "System Of A Down - Chop Suey"
local function CleanDisplayName(name)
  if not name or name == "" then return "" end
  -- Remove file extension (last .mp3, .wav, .ogg, etc.)
  name = string.gsub(name, "%.%w+$", "")
  -- Strip leading numbers followed by optional separator (digits, dots, dashes, spaces)
  -- e.g. "05 - ", "01. ", "06 - ", "02. ", etc.
  name = string.gsub(name, "^[%d%.]+[%s%-_]*", "")
  -- Strip any remaining leading dashes or underscores
  name = string.gsub(name, "^[%-_]+", "")
  -- Strip leading whitespace
  name = string.gsub(name, "^%s+", "")
  -- Strip trailing numbers, dashes, underscores
  name = string.gsub(name, "[%d%-_]+$", "")
  -- Strip trailing whitespace
  name = string.gsub(name, "%s+$", "")
  -- Replace remaining underscores with spaces
  name = string.gsub(name, "_", " ")
  -- Collapse multiple spaces into one
  name = string.gsub(name, "  +", " ")
  return Trim(name)
end

local function GetTrackPath(entry)
  if type(entry) == "table" then
    return NormalizePath(entry.path or entry.file or "")
  end
  if type(entry) == "string" then
    return NormalizePath(entry)
  end
  return ""
end

-- GetTrackName returns the raw track name for storage and path resolution.
-- It does NOT apply CleanDisplayName — the stored name must match the actual
-- file so that path/name resolution works correctly across reloads.
local function GetTrackName(entry)
  local path = GetTrackPath(entry)
  if type(entry) == "table" then
    local customName = Trim(entry.name or entry.title or "")
    if customName ~= "" then
      return customName
    end
  end
  return ExtractFileName(path)
end

-- GetTrackDisplayName returns a cleaned-up name suitable for UI display only.
-- This strips leading numbers, dashes, underscores, extensions, etc.
-- It must NEVER be used when storing names into SavedVariables or matching
-- entries by name, only for rendering labels and status text.
local function GetTrackDisplayName(entry)
  return CleanDisplayName(GetTrackName(entry))
end

local function GetTrackDuration(entry)
  if type(entry) == "table" then
    local duration = tonumber(entry.duration or entry.length or entry.seconds or 0)
    if duration and duration > 0 then
      return duration
    end
  end
  return 0
end

local function CreateTrackEntry(path, name, duration)
  local normalized = NormalizePath(path)
  if normalized == "" then return nil end
  return {
    path = normalized,
    name = Trim(name or "") ~= "" and Trim(name) or ExtractFileName(normalized),
    duration = tonumber(duration) or 0,
  }
end

local function BuildTrackLookup()
  local seen = {}
  local i
  EnsureDB()
  for i = 1, Count(RelationshipsJukeboxDB.tracks) do
    local path = GetTrackPath(RelationshipsJukeboxDB.tracks[i])
    if path ~= "" then
      seen[string.lower(path)] = i
    end
  end
  return seen
end

local function MergeAutoPlaylist()
  local auto, seen, imported, updated, i, entry, path, name, duration, track, existingIndex, existingEntry, currentName, currentDuration, changed
  EnsureDB()
  auto = RelationshipsJukeboxAutoPlaylist
  if type(auto) ~= "table" or type(auto.tracks) ~= "table" then
    return 0, 0
  end
  seen = BuildTrackLookup()
  imported = 0
  updated = 0
  for i = 1, Count(auto.tracks) do
    entry = auto.tracks[i]
    path = GetTrackPath(entry)
    if path ~= "" then
      local key = string.lower(path)
      name = GetTrackName(entry)
      duration = GetTrackDuration(entry)
      existingIndex = seen[key]
      if existingIndex then
        existingEntry = RelationshipsJukeboxDB.tracks[existingIndex]
        changed = false
        if type(existingEntry) ~= "table" then
          track = CreateTrackEntry(path, name, duration)
          if track then
            RelationshipsJukeboxDB.tracks[existingIndex] = track
            updated = updated + 1
          end
        else
          existingEntry.path = NormalizePath(existingEntry.path or existingEntry.file or path)
          currentName = Trim(existingEntry.name or existingEntry.title or "")
          if currentName == "" or currentName == ExtractFileName(path) then
            existingEntry.name = name
            changed = true
          end
          currentDuration = tonumber(existingEntry.duration or existingEntry.length or existingEntry.seconds or 0) or 0
          if currentDuration <= 0 and duration > 0 then
            existingEntry.duration = duration
            changed = true
          end
          if changed then
            updated = updated + 1
          end
        end
      else
        track = CreateTrackEntry(path, name, duration)
        if track then
          table.insert(RelationshipsJukeboxDB.tracks, track)
          seen[key] = Count(RelationshipsJukeboxDB.tracks)
          imported = imported + 1
        end
      end
    end
  end
  return imported, updated
end

local function SetStatus(msg, r, g, b)
  if RJ.statusText then
    RJ.statusText:SetText(msg or "")
    if RJ.statusText.SetTextColor then
      RJ.statusText:SetTextColor(r or 1, g or 0.82, b or 0)
    end
  end
end

local function ShuffleQueue(queue)
  local i
  if not queue then return end
  for i = Count(queue), 2, -1 do
    local j = math.random(i)
    queue[i], queue[j] = queue[j], queue[i]
  end
end

-- Instantly kill all music/sound by toggling the master "Enable Sound"
-- checkbox OFF then ON via the MasterSound CVar.  This is the ONLY reliable
-- way to force WoW 1.12 (Turtle WoW / OctoWoW) to fully stop playback of
-- PlayMusic / PlaySoundFile tracks.  Simply muting volume CVars does NOT work
-- because the engine keeps the audio channel alive; the track continues
-- playing silently and can even resume at the wrong position.  By unchecking
-- the master Enable Sound checkbox the engine tears down the entire audio
-- subsystem, and re-checking it immediately rebuilds a clean state so the
-- next PlayMusic / PlaySoundFile call starts fresh.
--
-- The function also saves and restores the previous enable state so that
-- players who intentionally play with sound disabled are not affected.
local function SoundKillToggle()
  local sc = SetCVar or function() end
  local cv = GetCVar or function() return "1" end

  -- Save whether sound was already enabled so we don't force-enable it
  local ok, wasEnabled = pcall(cv, "MasterSound")
  RJ._wasMasterSoundEnabled = (ok and wasEnabled) or "1"

  -- Save whether music was already enabled
  local okM, wasMusicEnabled = pcall(cv, "EnableMusic")
  RJ._wasEnableMusicEnabled = (okM and wasMusicEnabled) or "1"

  -- Turn the master Enable Sound checkbox OFF (unchecks "Enable Sound")
  pcall(sc, "MasterSound", "0")

  -- Turn the Enable Music checkbox OFF (unchecks "Enable Music")
  pcall(sc, "EnableMusic", "0")

  -- Immediately turn both checkboxes back ON.  The engine rebuilds its
  -- audio subsystem from scratch, guaranteeing that any previously
  -- playing track is fully stopped and will not ghost-resume.
  -- The next PlayMusic/PlaySoundFile call starts clean.
  pcall(sc, "MasterSound", "1")
  pcall(sc, "EnableMusic", "1")
end

-- Restore the master sound enable state to whatever it was before the last
-- SoundKillToggle call.  This ensures players who intentionally have sound
-- disabled are not disrupted.
local function RestoreMasterSoundState()
  local sc = SetCVar or function() end
  if RJ._wasMasterSoundEnabled then
    pcall(sc, "MasterSound", RJ._wasMasterSoundEnabled)
    RJ._wasMasterSoundEnabled = nil
  end
  if RJ._wasEnableMusicEnabled then
    pcall(sc, "EnableMusic", RJ._wasEnableMusicEnabled)
    RJ._wasEnableMusicEnabled = nil
  end
end

-- Instantly kill all music/sound. No fade-out.
-- Uses the master Enable Sound checkbox toggle (not volume muting) to
-- guarantee that the audio engine fully stops the current track.
local function KillMusicInstant()
  if StopMusic then
    StopMusic()
    StopMusic()
    StopMusic()
  end
  -- Toggle the master Enable Sound checkbox off then on.
  -- This is the key step: the engine only truly halts playback when
  -- the master sound enable is switched off, which tears down the
  -- entire audio subsystem.  Switching it back on rebuilds a clean
  -- state so the next PlayMusic/PlaySoundFile call starts fresh.
  SoundKillToggle()
end

-----------------------------------------------------------------------
-- Forward declarations (mutual recursion: PlayNextQueuedTrack <-> PlayTrack)
-----------------------------------------------------------------------
local PlayTrack
local PlayNextQueuedTrack

-----------------------------------------------------------------------
-- Playback button state (forward-declared so PausePlayback/ResumePlayback can call it)
-----------------------------------------------------------------------
local RefreshPlaybackButtons

-----------------------------------------------------------------------
-- Pause / Resume
-----------------------------------------------------------------------
local function PausePlayback()
  if not RJ.currentPath or RJ.isPaused then return end
  if GetTime() < RJ.pauseCooldownUntil then
    SetStatus("Pause cooldown -- please wait...", 1, 1, 0.2)
    return
  end
  RJ.isPaused = true
  -- Save remaining time for timed tracks
  if RJ.trackEndTime then
    RJ.pausedRemaining = RJ.trackEndTime - GetTime()
    RJ.trackEndTime = nil
  else
    RJ.pausedRemaining = nil
  end
  RJ.pollingForEnd = false
  KillMusicInstant()
  -- 1-second cooldown after pause to prevent rapid toggle spam
  RJ.pauseCooldownUntil = GetTime() + COOLDOWN_SECS
  SetStatus("Paused: " .. (RJ.currentName or ""), 1, 1, 0.2)
  RefreshPlaybackButtons()
  RefreshMiniPlayer()
end

local function ResumePlayback()
  if not RJ.isPaused then return end
  if GetTime() < RJ.pauseCooldownUntil then
    SetStatus("Play cooldown -- please wait...", 1, 1, 0.2)
    return
  end
  RJ.isPaused = false

  if RJ.currentPath then
    if IsMusicPath(RJ.currentPath) and PlayMusic then
      PlayMusic(RJ.currentPath)
      RJ.currentCanStop = true
    elseif PlaySoundFile then
      PlaySoundFile(RJ.currentPath)
      RJ.currentCanStop = false
    end

    -- Restore timer or polling
    if RJ.pausedRemaining and RJ.pausedRemaining > 0 then
      RJ.trackEndTime = GetTime() + RJ.pausedRemaining
      RJ.pausedRemaining = nil
    elseif RJ.currentCanStop and IsPlaying then
      RJ.pollingForEnd = true
      RJ.pollTimer = GetTime() + RJ.pollStartDelay
      RJ.consecutiveNotPlaying = 0
      RJ.pausedRemaining = nil
    end
  end

  -- 1-second cooldown after resume to prevent rapid toggle spam
  RJ.pauseCooldownUntil = GetTime() + COOLDOWN_SECS
  -- Set the full 1-second play cooldown to prevent spam-playing other tracks
  RJ.playCooldownUntil = GetTime() + COOLDOWN_SECS
  SetStatus("Resumed: " .. (RJ.currentName or ""), 0.2, 1, 0.2)
  RefreshPlaybackButtons()
  RefreshMiniPlayer()
end

local function TogglePause()
  if GetTime() < RJ.pauseCooldownUntil then
    SetStatus("Pause/Play cooldown -- please wait...", 1, 1, 0.2)
    return
  end
  if RJ.isPaused then
    ResumePlayback()
  else
    PausePlayback()
  end
end


local function StopPlayback(silent)
  -- 1-second cooldown on Stop to prevent music overlap
  if not silent and GetTime() < RJ.stopCooldownUntil then
    SetStatus("Stop cooldown -- please wait...", 1, 1, 0.2)
    return
  end

  RJ.isPaused = false
  RJ.pausedRemaining = nil
  RJ.pauseCooldownUntil = 0
  RJ.playCooldownUntil = 0
  RJ.skipCooldownUntil = 0
  RJ.prevCooldownUntil = 0
  RJ.stopCooldownUntil = 0
  RJ.autoPlayEnabled = false
  RJ.playQueue = nil
  RJ.playQueuePosition = 0
  RJ.trackEndTime = nil
  RJ.currentDuration = 0
  RJ.pollingForEnd = false
  RJ.pollTimer = 0
  RJ.consecutiveNotPlaying = 0

  KillMusicInstant()

  RJ.currentCanStop = false
  RJ.currentIndex = nil
  RJ.currentPath = nil
  RJ.currentName = nil

  if not silent then
    -- Set 1-second cooldown after Stop to prevent rapid re-play causing audio overlap
    RJ.stopCooldownUntil = GetTime() + COOLDOWN_SECS
    SetStatus("Stopped.", 1, 0.82, 0)
  end

  RefreshPlaybackButtons()
  RefreshMiniPlayer()
end

-----------------------------------------------------------------------
-- Playback button state
-----------------------------------------------------------------------
RefreshPlaybackButtons = function()
  local hasTracks = Count(RelationshipsJukeboxDB.tracks) > 0
  local isPlaying = RJ.currentPath ~= nil or RJ.autoPlayEnabled
  local inQueue = RJ.autoPlayEnabled and RJ.playQueue ~= nil
  local now = GetTime()

  if RJ.playAllButton then
    if hasTracks and not isPlaying and now >= RJ.playCooldownUntil and now >= RJ.stopCooldownUntil then
      RJ.playAllButton:Enable()
    else
      RJ.playAllButton:Disable()
    end
  end

  if RJ.shuffleButton then
    if hasTracks and not isPlaying and now >= RJ.playCooldownUntil and now >= RJ.stopCooldownUntil then
      RJ.shuffleButton:Enable()
    else
      RJ.shuffleButton:Disable()
    end
  end

  if RJ.stopButton then
    if (isPlaying or RJ.isPaused) and now >= RJ.stopCooldownUntil then
      RJ.stopButton:Enable()
    else
      RJ.stopButton:Disable()
    end
  end

  if RJ.skipButton then
    if inQueue and now >= RJ.skipCooldownUntil then
      RJ.skipButton:Enable()
    else
      RJ.skipButton:Disable()
    end
  end

  if RJ.prevButton then
    if inQueue and RJ.playQueuePosition > 1 and now >= RJ.prevCooldownUntil then
      RJ.prevButton:Enable()
    else
      RJ.prevButton:Disable()
    end
  end

  RefreshMiniPlayer()
end

-----------------------------------------------------------------------
-- List / page UI
-----------------------------------------------------------------------
local function RefreshList()
  EnsureDB()

  -- Determine which indices to display: filtered or all
  local indices = RJ.filteredIndices  -- nil = no filter (show all)
  local total, totalPages

  if indices then
    total = Count(indices)
  else
    total = Count(RelationshipsJukeboxDB.tracks)
  end

  totalPages = math.max(1, math.ceil(total / RJ.pageSize))
  if RJ.page > totalPages then RJ.page = totalPages end
  if RJ.page < 1 then RJ.page = 1 end

  local startIndex = ((RJ.page - 1) * RJ.pageSize) + 1

  for i = 1, RJ.pageSize do
    local row = RJ.rows[i]
    local listPos = startIndex + i - 1  -- position within the display list (1-based)
    local idx  -- actual DB index

    if indices then
      idx = indices[listPos]
    else
      idx = listPos
    end

    local entry = RelationshipsJukeboxDB.tracks[idx]

    if entry then
      row.index = idx  -- store real DB index so Play/Remove work correctly
      row.label:SetText(idx .. ". " .. GetTrackDisplayName(entry))
      -- Disable Play button during 1-second cooldown (play or stop)
      if GetTime() < RJ.playCooldownUntil or GetTime() < RJ.stopCooldownUntil then
        row.play:Disable()
      else
        row.play:Enable()
      end
      row:Show()
    else
      row.index = nil
      row.label:SetText("")
      row:Hide()
    end
  end

  if RJ.pageText then
    local pageText = "Page " .. RJ.page .. "/" .. totalPages .. "  Tracks: " .. total
    if RJ.filteredIndices then
      pageText = pageText .. " (filtered)"
    end
    RJ.pageText:SetText(pageText)
  end

  RefreshPlaybackButtons()
end

-----------------------------------------------------------------------
-- Track playback core
-----------------------------------------------------------------------
-- Check whether a file path should be played via PlayMusic (WoW 1.12 FMOD 3.x
-- requires PlayMusic for .mp3, .wav AND .ogg — PlaySoundFile cannot play any
-- of these formats).  Only files NOT matching these extensions should use
-- PlaySoundFile (e.g. custom SoundKit IDs or Blizzard sound paths).
--
-- Uses separate string.find calls per extension instead of a regex-style
-- alternation (|) because Lua patterns are NOT regular expressions — the
-- pipe character has no special meaning in Lua patterns.
local function IsMusicPath(path)
  local lower = string.lower(path or "")
  return string.find(lower, "%.mp3$") ~= nil
      or string.find(lower, "%.wav$") ~= nil
      or string.find(lower, "%.ogg$") ~= nil
end

-- Legacy alias kept for clarity in comments / status messages
local function IsMp3Path(path)
  return string.find(string.lower(path or ""), "%.mp3$") ~= nil
end

PlayNextQueuedTrack = function()
  if not RJ.autoPlayEnabled or type(RJ.playQueue) ~= "table" then
    return
  end

  RJ.playQueuePosition = RJ.playQueuePosition + 1

  if RJ.playQueuePosition > Count(RJ.playQueue) then
    StopPlayback(true)
    SetStatus("Playlist finished.", 0.2, 1, 0.2)
    RefreshPlaybackButtons()
    return
  end

  local queueEntry = RJ.playQueue[RJ.playQueuePosition]
  PlayTrack(queueEntry, true)
end

PlayTrack = function(indexOrEntry, fromQueue)
  EnsureDB()

  -- 1-second cooldown to prevent spam-playing multiple tracks on top of each other
  -- Skip cooldown for auto-advancing from queue (fromQueue == true)
  if not fromQueue and (GetTime() < RJ.playCooldownUntil or GetTime() < RJ.stopCooldownUntil) then
    SetStatus("Cooldown active -- please wait...", 1, 1, 0.2)
    return nil
  end

  local entry
  if type(indexOrEntry) == "number" then
    entry = RelationshipsJukeboxDB.tracks[indexOrEntry]
  elseif type(indexOrEntry) == "table" then
    entry = indexOrEntry
  else
    entry = nil
  end

  local path = GetTrackPath(entry)
  local name = GetTrackDisplayName(entry)
  local duration = GetTrackDuration(entry)
  local ok

  if path == "" then
    SetStatus("Track not found.", 1, 0.2, 0.2)
    if fromQueue then
      PlayNextQueuedTrack()
    end
    return nil
  end

  -- Stop any currently playing music instantly
  if RJ.currentCanStop then
    KillMusicInstant()
  end

  RJ.isPaused = false
  RJ.pausedRemaining = nil
  RJ.currentCanStop = false
  RJ.pollingForEnd = false
  RJ.pollTimer = 0
  RJ.consecutiveNotPlaying = 0

  -- Play the track
  -- WoW 1.12 FMOD 3.x: PlayMusic supports .mp3, .wav and .ogg.
  -- PlaySoundFile does NOT play .wav or .ogg (it silently fails),
  -- so all three formats must go through PlayMusic.
  if IsMusicPath(path) and PlayMusic then
    PlayMusic(path)
    ok = 1
    RJ.currentCanStop = true
  else
    ok = PlaySoundFile(path)
    RJ.currentCanStop = false
  end

  if ok then
    -- Set 1-second play cooldown to prevent spam
    RJ.playCooldownUntil = GetTime() + COOLDOWN_SECS

    if type(indexOrEntry) == "number" then
      RJ.currentIndex = indexOrEntry
    else
      RJ.currentIndex = nil
    end
    RJ.currentPath = path
    RJ.currentName = name
    RJ.currentDuration = duration

    if fromQueue then
      local queueLen = Count(RJ.playQueue or {})
      local posLabel = RJ.playQueuePosition .. "/" .. queueLen

      if duration and duration > 0 then
        -- Known duration: use timed advancement
        RJ.trackEndTime = GetTime() + duration
        SetStatus("Playing " .. posLabel .. ": " .. name .. " (" .. duration .. "s)", 0.2, 1, 0.2)
      elseif RJ.currentCanStop and IsPlaying then
        -- PlayMusic track with no duration: poll IsPlaying() to detect end
        RJ.trackEndTime = nil
        RJ.pollingForEnd = true
        RJ.pollTimer = GetTime() + RJ.pollStartDelay
        RJ.consecutiveNotPlaying = 0
        SetStatus("Playing " .. posLabel .. ": " .. name .. " (auto-advancing when track ends)", 0.2, 1, 0.2)
      else
        -- WAV/OGG with no duration: use fallback
        RJ.trackEndTime = GetTime() + FALLBACK_DURATION
        RJ.pollingForEnd = false
        SetStatus("Playing " .. posLabel .. ": " .. name .. " (~" .. FALLBACK_DURATION .. "s estimated)", 0.2, 1, 0.2)
      end
    else
      -- Single track play (not from queue)
      RJ.trackEndTime = nil
      if duration and duration > 0 then
        SetStatus("Playing: " .. name .. " (" .. duration .. "s)", 0.2, 1, 0.2)
      else
        SetStatus("Playing: " .. name, 0.2, 1, 0.2)
      end
    end
  else
    RJ.trackEndTime = nil
    RJ.pollingForEnd = false
    SetStatus("Could not play: " .. name .. "  (check filename/path)", 1, 0.2, 0.2)
    if fromQueue then
      -- Skip to next after a brief delay to avoid infinite recursion on bad files
      RJ.trackEndTime = GetTime() + 0.5
      RJ.pollingForEnd = false
    end
  end

  RefreshPlaybackButtons()
  return ok
end

-- Skip to next track in queue
local function SkipTrack()
  if not RJ.autoPlayEnabled or type(RJ.playQueue) ~= "table" then
    return
  end
  -- 1-second cooldown on Skip to prevent music overlap
  if GetTime() < RJ.skipCooldownUntil then
    SetStatus("Skip cooldown -- please wait...", 1, 1, 0.2)
    return
  end
  RJ.skipCooldownUntil = GetTime() + COOLDOWN_SECS
  RJ.prevCooldownUntil = GetTime() + COOLDOWN_SECS
  if RJ.currentCanStop then
    KillMusicInstant()
  end
  RJ.isPaused = false
  RJ.pausedRemaining = nil
  RJ.currentCanStop = false
  RJ.trackEndTime = nil
  RJ.pollingForEnd = false
  PlayNextQueuedTrack()
end


-- Go back to previous track in queue
local function PreviousTrack()
  if not RJ.autoPlayEnabled or type(RJ.playQueue) ~= "table" then
    return
  end
  -- 1-second cooldown on Previous to prevent music overlap
  if GetTime() < RJ.prevCooldownUntil then
    SetStatus("Previous cooldown -- please wait...", 1, 1, 0.2)
    return
  end
  RJ.prevCooldownUntil = GetTime() + COOLDOWN_SECS
  RJ.skipCooldownUntil = GetTime() + COOLDOWN_SECS
  if RJ.playQueuePosition <= 1 then
    RJ.playQueuePosition = 0
  else
    RJ.playQueuePosition = RJ.playQueuePosition - 2
  end
  if RJ.currentCanStop then
    KillMusicInstant()
  end
  RJ.isPaused = false
  RJ.pausedRemaining = nil
  RJ.currentCanStop = false
  RJ.trackEndTime = nil
  RJ.pollingForEnd = false
  PlayNextQueuedTrack()
end


local function StartPlaylist(shuffle)
  EnsureDB()

  -- 1-second cooldown to prevent spam-starting playlists
  if GetTime() < RJ.playCooldownUntil or GetTime() < RJ.stopCooldownUntil then
    SetStatus("Cooldown active -- please wait...", 1, 1, 0.2)
    return
  end

  local total = Count(RelationshipsJukeboxDB.tracks)
  if total == 0 then
    SetStatus("No tracks found.", 1, 0.2, 0.2)
    return
  end

  StopPlayback(true)

  RJ.playQueue = {}
  RJ.playQueuePosition = 0
  RJ.autoPlayEnabled = true
  RJ.shuffleMode = shuffle and true or false

  local i
  for i = 1, total do
    table.insert(RJ.playQueue, i)
  end

  if RJ.shuffleMode then
    ShuffleQueue(RJ.playQueue)
  end

  PlayNextQueuedTrack()
end


local function PerformSearch()
  EnsureDB()
  local query = RJ.searchInput and RJ.searchInput:GetText() or ""
  query = Trim(query)

  if query == "" then
    -- Empty query = clear search, show all tracks
    RJ.searchFilter = ""
    RJ.filteredIndices = nil
    RJ.page = 1
    RefreshList()
    SetStatus("Search cleared. Showing all tracks.", 0.2, 1, 0.2)
    return
  end

  RJ.searchFilter = query
  RJ.filteredIndices = {}
  local lowerQuery = string.lower(query)

  for i = 1, Count(RelationshipsJukeboxDB.tracks) do
    local entry = RelationshipsJukeboxDB.tracks[i]
    local displayName = string.lower(GetTrackDisplayName(entry))
    if string.find(displayName, lowerQuery, 1, true) then
      table.insert(RJ.filteredIndices, i)
    end
  end

  RJ.page = 1
  RefreshList()

  local matchCount = Count(RJ.filteredIndices)
  if matchCount > 0 then
    SetStatus("Found " .. matchCount .. " track(s) matching \"" .. query .. "\"", 0.2, 1, 0.2)
  else
    SetStatus("No tracks found matching \"" .. query .. "\"", 1, 0.2, 0.2)
  end
end

local function ClearSearch()
  RJ.searchFilter = ""
  RJ.filteredIndices = nil
  if RJ.searchInput then RJ.searchInput:SetText("") end
  RJ.page = 1
  RefreshList()
  SetStatus("Search cleared. Showing all tracks.", 0.2, 1, 0.2)
end

local function RemoveTrack(index)
  EnsureDB()
  if RelationshipsJukeboxDB.tracks[index] then
    local removed = GetTrackDisplayName(RelationshipsJukeboxDB.tracks[index])
    table.remove(RelationshipsJukeboxDB.tracks, index)
    if RJ.currentIndex == index then
      StopPlayback(true)
    end
    -- Re-run search if a filter is active so filteredIndices stays in sync
    if RJ.searchFilter and RJ.searchFilter ~= "" then
      PerformSearch()
    else
      RefreshList()
    end
    SetStatus("Removed: " .. removed, 1, 0.82, 0)
  end
end

-----------------------------------------------------------------------
-- Button helper
-----------------------------------------------------------------------
local function MakeButton(name, parent, width, height, text)
  local b = CreateFrame("Button", name, parent, "UIPanelButtonTemplate")
  b:SetWidth(width)
  b:SetHeight(height)
  b:SetText(text)
  return b
end

-----------------------------------------------------------------------
-- Main GUI: track list window
-- Layout (total height 600):
--   TOP:  title/subtitle/input         (~106 px from top)
--   MIDDLE: track list rows (12/page)   (~336 px)
--   Row 1: Playback controls           (<< Prev, Skip >>, Play All, Shuffle, Stop)
--   Row 2: Page navigation             (Prev, Page X/Y, Next)
--   Slash help text                       (~20 px)
--   Status bar                            (~20 px)
--   Bottom padding                        (~18 px)
-----------------------------------------------------------------------
local function CreateRow(parent, i)
  local row = CreateFrame("Frame", nil, parent)
  row:SetWidth(680)
  row:SetHeight(24)

  if row.SetBackdrop then
    row:SetBackdrop({
      bgFile = "Interface\\Tooltips\\UI-Tooltip-Background",
      edgeFile = "Interface\\Tooltips\\UI-Tooltip-Border",
      tile = true, tileSize = 8, edgeSize = 8,
      insets = { left = 2, right = 2, top = 2, bottom = 2 }
    })
    row:SetBackdropColor(0, 0, 0, 0.35)
  end

  row.label = row:CreateFontString(nil, "OVERLAY", "GameFontNormalSmall")
  row.label:SetPoint("LEFT", row, "LEFT", 8, 0)
  row.label:SetWidth(500)
  row.label:SetJustifyH("LEFT")
  row.label:SetText("")

  row.play = MakeButton(nil, row, 70, 20, "Play")
  row.play:SetPoint("RIGHT", row, "RIGHT", -80, 0)
  row.play:SetScript("OnClick", function()
    if row.index then PlayTrack(row.index, false) end
  end)

  row.remove = MakeButton(nil, row, 70, 20, "Remove")
  row.remove:SetPoint("RIGHT", row, "RIGHT", -6, 0)
  row.remove:SetScript("OnClick", function()
    if row.index then RemoveTrack(row.index) end
  end)

  return row
end

local function CreateUI()
  if RJ.frame then return end

  local f = CreateFrame("Frame", ADDON_NAME .. "Frame", UIParent)
  RJ.frame = f
  f:SetWidth(730)
  f:SetHeight(600)
  f:SetPoint("CENTER", UIParent, "CENTER", 0, 0)
  f:SetMovable(true)
  f:EnableMouse(true)
  f:RegisterForDrag("LeftButton")
  f:SetClampedToScreen(true)
  f:SetScript("OnDragStart", function() f:StartMoving() end)
  f:SetScript("OnDragStop", function() f:StopMovingOrSizing() end)
  f:Hide()

  if f.SetBackdrop then
    f:SetBackdrop({
      bgFile = "Interface\\DialogFrame\\UI-DialogBox-Background",
      edgeFile = "Interface\\DialogFrame\\UI-DialogBox-Border",
      tile = true, tileSize = 32, edgeSize = 32,
      insets = { left = 11, right = 12, top = 12, bottom = 11 }
    })
  end

  -- Title bar
  local title = f:CreateFontString(nil, "OVERLAY", "GameFontHighlightLarge")
  title:SetPoint("TOP", f, "TOP", 0, -16)
  title:SetText("Relationships Jukebox - Playlist Player")

  local subtitle = f:CreateFontString(nil, "OVERLAY", "GameFontNormalSmall")
  subtitle:SetPoint("TOP", title, "BOTTOM", 0, -18)
  subtitle:SetText("Put MP3/WAV/OGG files in the RelationshipsJukeBox\\Media folder, run GeneratePlaylist.bat, then /reload")

  local close = MakeButton(nil, f, 28, 22, "X")
  close:SetPoint("TOPRIGHT", f, "TOPRIGHT", -14, -14)
  close:SetScript("OnClick", function() f:Hide() end)

  -- Search input row
  local searchLabel = f:CreateFontString(nil, "OVERLAY", "GameFontNormal")
  searchLabel:SetPoint("TOPLEFT", f, "TOPLEFT", 24, -76)
  searchLabel:SetText("Search")

  local searchInput = CreateFrame("EditBox", ADDON_NAME .. "SearchInput", f, "InputBoxTemplate")
  RJ.searchInput = searchInput
  searchInput:SetWidth(290)
  searchInput:SetHeight(20)
  searchInput:SetPoint("LEFT", searchLabel, "RIGHT", 10, 0)
  searchInput:SetAutoFocus(false)
  searchInput:SetTextInsets(6, 6, 0, 0)
  searchInput:SetText("")
  searchInput:SetScript("OnEscapePressed", function()
    searchInput:ClearFocus()
  end)
  searchInput:SetScript("OnEnterPressed", function()
    searchInput:ClearFocus()
    PerformSearch()
  end)

  local searchBtn = MakeButton(nil, f, 70, 22, "Search")
  searchBtn:SetPoint("LEFT", searchInput, "RIGHT", 10, 0)
  searchBtn:SetScript("OnClick", PerformSearch)

  local clearBtn = MakeButton(nil, f, 60, 22, "Clear")
  clearBtn:SetPoint("LEFT", searchBtn, "RIGHT", 8, 0)
  clearBtn:SetScript("OnClick", ClearSearch)

  -- Track list (anchored from top, leaves room for buttons at bottom)
  local listAnchor = CreateFrame("Frame", nil, f)
  listAnchor:SetPoint("TOPLEFT", f, "TOPLEFT", 20, -106)
  listAnchor:SetWidth(690)
  listAnchor:SetHeight(336)

  for i = 1, RJ.pageSize do
    local row = CreateRow(listAnchor, i)
    if i == 1 then
      row:SetPoint("TOPLEFT", listAnchor, "TOPLEFT", 0, 0)
    else
      row:SetPoint("TOPLEFT", RJ.rows[i-1], "BOTTOMLEFT", 0, -4)
    end
    RJ.rows[i] = row
  end

  -- Bottom button bar: two rows
  --   Row 1 (higher): Playback controls (<< Prev, Skip >>, Play All, Shuffle, Stop)
  --   Row 2 (lower):  Page navigation  (Prev, Page X/Y, Next)
  local playbackY = 108  -- playback controls row offset from bottom
  local pageY    = 80    -- page navigation row offset from bottom

  -- Playback controls (upper row, left-aligned)
  RJ.prevButton = MakeButton(nil, f, 70, 22, "<< Prev")
  RJ.prevButton:SetPoint("BOTTOMLEFT", f, "BOTTOMLEFT", 24, playbackY)
  RJ.prevButton:SetScript("OnClick", PreviousTrack)
  RJ.prevButton:Disable()

  RJ.skipButton = MakeButton(nil, f, 70, 22, "Skip >>")
  RJ.skipButton:SetPoint("LEFT", RJ.prevButton, "RIGHT", 8, 0)
  RJ.skipButton:SetScript("OnClick", SkipTrack)
  RJ.skipButton:Disable()

  RJ.playAllButton = MakeButton(nil, f, 80, 22, "Play All")
  RJ.playAllButton:SetPoint("LEFT", RJ.skipButton, "RIGHT", 8, 0)
  RJ.playAllButton:SetScript("OnClick", function() StartPlaylist(false) end)

  RJ.shuffleButton = MakeButton(nil, f, 70, 22, "Shuffle")
  RJ.shuffleButton:SetPoint("LEFT", RJ.playAllButton, "RIGHT", 8, 0)
  RJ.shuffleButton:SetScript("OnClick", function() StartPlaylist(true) end)

  RJ.stopButton = MakeButton(nil, f, 60, 22, "Stop")
  RJ.stopButton:SetPoint("LEFT", RJ.shuffleButton, "RIGHT", 8, 0)
  RJ.stopButton:SetScript("OnClick", function() StopPlayback(false) end)

  -- Page navigation (lower row, left-aligned)
  local prev = MakeButton(nil, f, 70, 22, "Prev")
  prev:SetPoint("BOTTOMLEFT", f, "BOTTOMLEFT", 24, pageY)
  prev:SetScript("OnClick", function()
    RJ.page = RJ.page - 1
    RefreshList()
  end)

  RJ.pageText = f:CreateFontString(nil, "OVERLAY", "GameFontNormal")
  RJ.pageText:SetPoint("LEFT", prev, "RIGHT", 14, 0)
  RJ.pageText:SetText("Page 1/1")

  local nextBtn = MakeButton(nil, f, 70, 22, "Next")
  nextBtn:SetPoint("LEFT", RJ.pageText, "RIGHT", 14, 0)
  nextBtn:SetScript("OnClick", function()
    RJ.page = RJ.page + 1
    RefreshList()
  end)

  -- Slash help text (above status bar)
  local nowLabel = f:CreateFontString(nil, "OVERLAY", "GameFontNormalSmall")
  nowLabel:SetPoint("BOTTOMLEFT", f, "BOTTOMLEFT", 24, 54)
  nowLabel:SetWidth(680)
  nowLabel:SetJustifyH("LEFT")
  nowLabel:SetTextColor(0.6, 0.6, 0.6)
  nowLabel:SetText("Slash: /rjukebox play | shuffle | stop | skip | prev | pause | mini")

  -- Status bar (very bottom)
  RJ.statusText = f:CreateFontString(nil, "OVERLAY", "GameFontHighlightSmall")
  RJ.statusText:SetPoint("BOTTOMLEFT", f, "BOTTOMLEFT", 24, 18)
  RJ.statusText:SetWidth(680)
  RJ.statusText:SetJustifyH("LEFT")
  RJ.statusText:SetText("Ready.")

  RefreshList()
end

-----------------------------------------------------------------------
-- Mini Player: small floating control bar
-----------------------------------------------------------------------
function RefreshMiniPlayer()
  if not RJ.miniFrame then return end
  local mf = RJ.miniFrame
  local inQueue = RJ.autoPlayEnabled and RJ.playQueue ~= nil
  local isActive = RJ.currentPath ~= nil
  local now = GetTime()

  -- Track name label (shows pause indicator in text since no pause button)
  if RJ.currentName and RJ.currentName ~= "" then
    if RJ.isPaused then
      mf.trackLabel:SetText("|| " .. RJ.currentName)
    else
      mf.trackLabel:SetText("> " .. RJ.currentName)
    end
  else
    mf.trackLabel:SetText("Relationships Jukebox")
  end

  -- Enable/disable buttons with 1-second cooldown checks
  if inQueue and now >= RJ.skipCooldownUntil then
    mf.skipBtn:Enable()
  else
    mf.skipBtn:Disable()
  end

  if inQueue and RJ.playQueuePosition > 1 and now >= RJ.prevCooldownUntil then
    mf.prevBtn:Enable()
  else
    mf.prevBtn:Disable()
  end

  if isActive or RJ.isPaused then
    if now >= RJ.stopCooldownUntil then
      mf.stopBtn:Enable()
    else
      mf.stopBtn:Disable()
    end
  else
    mf.stopBtn:Disable()
  end
end


local function CreateMiniPlayer()
  if RJ.miniFrame then return end

  local mf = CreateFrame("Frame", ADDON_NAME .. "MiniFrame", UIParent)
  RJ.miniFrame = mf
  mf:SetWidth(176)
  mf:SetHeight(56)
  mf:SetPoint("TOPRIGHT", UIParent, "TOPRIGHT", -60, -200)
  mf:SetMovable(true)
  mf:EnableMouse(true)
  mf:RegisterForDrag("LeftButton")
  mf:SetScript("OnDragStart", function() mf:StartMoving() end)
  mf:SetScript("OnDragStop", function() mf:StopMovingOrSizing() end)
  mf:SetClampedToScreen(true)

  if mf.SetBackdrop then
    mf:SetBackdrop({
      bgFile = "Interface\\DialogFrame\\UI-DialogBox-Background",
      edgeFile = "Interface\\Tooltips\\UI-Tooltip-Border",
      tile = true, tileSize = 8, edgeSize = 12,
      insets = { left = 3, right = 3, top = 3, bottom = 3 }
    })
    mf:SetBackdropColor(0, 0, 0, 0.7)
  end

  -- Track name (top row)
  mf.trackLabel = mf:CreateFontString(nil, "OVERLAY", "GameFontNormalSmall")
  mf.trackLabel:SetPoint("TOPLEFT", mf, "TOPLEFT", 8, -6)
  mf.trackLabel:SetPoint("RIGHT", mf, "RIGHT", -24, 0)
  mf.trackLabel:SetJustifyH("LEFT")
  mf.trackLabel:SetTextColor(0.4, 1, 0.4)
  mf.trackLabel:SetText("Relationships Jukebox")

  -- Minimize button (top-right corner)
  mf.minBtn = MakeButton(nil, mf, 20, 18, "_")
  mf.minBtn:SetPoint("TOPRIGHT", mf, "TOPRIGHT", -4, -2)
  mf.minBtn:SetScript("OnClick", function()
    mf:Hide()
    if RJ.minimapButton then
      RJ.minimapButton:Show()
    end
  end)

  -- Control buttons (bottom row)
  mf.prevBtn = MakeButton(nil, mf, 40, 20, "<<")
  mf.prevBtn:SetPoint("BOTTOMLEFT", mf, "BOTTOMLEFT", 6, 6)
  mf.prevBtn:SetScript("OnClick", PreviousTrack)
  mf.prevBtn:Disable()

  mf.stopBtn = MakeButton(nil, mf, 50, 20, "Stop")
  mf.stopBtn:SetPoint("LEFT", mf.prevBtn, "RIGHT", 4, 0)
  mf.stopBtn:SetScript("OnClick", function() StopPlayback(false) end)
  mf.stopBtn:Disable()

  mf.skipBtn = MakeButton(nil, mf, 40, 20, ">>")
  mf.skipBtn:SetPoint("LEFT", mf.stopBtn, "RIGHT", 4, 0)
  mf.skipBtn:SetScript("OnClick", SkipTrack)
  mf.skipBtn:Disable()

  -- Open full GUI button (far right)
  mf.openBtn = MakeButton(nil, mf, 28, 20, "+")
  mf.openBtn:SetPoint("LEFT", mf.skipBtn, "RIGHT", 4, 0)
  mf.openBtn:SetScript("OnClick", function()
    if RJ.frame then
      RJ.frame:Show()
      RefreshList()
    end
  end)

  mf:Show()
  RefreshMiniPlayer()
end


-----------------------------------------------------------------------
-- Minimap button
-----------------------------------------------------------------------
local function CreateMinimapButton()
  if RJ.minimapButton then return end

  local btn = CreateFrame("Button", ADDON_NAME .. "MinimapButton", Minimap)
  RJ.minimapButton = btn
  btn:SetWidth(32)
  btn:SetHeight(32)
  btn:SetFrameLevel(Minimap:GetFrameLevel() + 4)
  btn:SetPoint("TOPLEFT", Minimap, "TOPLEFT", 2, -2)

  -- Use a built-in icon texture (musical note or similar)
  -- In WoW 1.12 we use a common built-in texture
  btn:SetNormalTexture("Interface\\Icons\\INV_Misc_Note_06")
  btn:SetPushedTexture("Interface\\Icons\\INV_Misc_Note_06")
  btn:SetHighlightTexture("Interface\\Minimap\\UI-Minimap-ZoomButton-Highlight")

  -- Tooltip
  btn:SetScript("OnEnter", function()
    GameTooltip:SetOwner(btn, "ANCHOR_LEFT")
    GameTooltip:SetText("Relationships Jukebox")
    GameTooltip:AddLine("Click: Toggle Mini Player")
    GameTooltip:AddLine("Right-click: Toggle Full GUI")
    GameTooltip:Show()
  end)
  btn:SetScript("OnLeave", function()
    GameTooltip:Hide()
  end)

  -- Left click: toggle mini player
  btn:SetScript("OnClick", function()
    if RJ.miniFrame then
      if RJ.miniFrame:IsShown() then
        RJ.miniFrame:Hide()
      else
        RJ.miniFrame:Show()
        RefreshMiniPlayer()
      end
    else
      CreateMiniPlayer()
    end
  end)

  -- Right click: toggle full GUI
  btn:SetScript("OnMouseDown", function()
    if arg1 == "RightButton" then
      if not RJ.frame then CreateUI() end
      if RJ.frame:IsShown() then
        RJ.frame:Hide()
      else
        RJ.frame:Show()
        RefreshList()
      end
    end
  end)

  -- Make minimap button draggable around the minimap
  btn:SetMovable(true)
  btn:RegisterForDrag("LeftButton")
  btn:SetScript("OnDragStart", function()
    btn:StartMoving()
  end)
  btn:SetScript("OnDragStop", function()
    btn:StopMovingOrSizing()
  end)

  btn:Show()
end

-----------------------------------------------------------------------
-- Main ticker: handles timed advancement and IsPlaying polling
-----------------------------------------------------------------------
local ticker = CreateFrame("Frame")
ticker:SetScript("OnUpdate", function()
  -- 1) Timed advancement: track with known duration reached end time
  if RJ.autoPlayEnabled and not RJ.isPaused and RJ.trackEndTime and GetTime() >= RJ.trackEndTime then
    RJ.trackEndTime = nil
    if RJ.currentCanStop then
      KillMusicInstant()
    end
    RJ.currentCanStop = false
    RJ.pollingForEnd = false
    PlayNextQueuedTrack()
    return
  end

  -- 2) IsPlaying polling: detect when PlayMusic track finishes for tracks with no duration
  if RJ.autoPlayEnabled and not RJ.isPaused and RJ.pollingForEnd then
    if GetTime() < RJ.pollTimer then
      return
    end

    local playing = false
    if IsPlaying then
      playing = IsPlaying()
    end

    if not playing then
      RJ.consecutiveNotPlaying = RJ.consecutiveNotPlaying + 1
      if RJ.consecutiveNotPlaying >= RJ.consecutiveThreshold then
        RJ.pollingForEnd = false
        RJ.consecutiveNotPlaying = 0
        if RJ.currentCanStop then
          KillMusicInstant()
        end
        RJ.currentCanStop = false
        PlayNextQueuedTrack()
      else
        -- Not sure yet; check again soon
        RJ.pollTimer = GetTime() + RJ.pollInterval
      end
    else
      -- Still playing; reset counter, schedule next check
      RJ.consecutiveNotPlaying = 0
      RJ.pollTimer = GetTime() + RJ.pollInterval
    end
  end

  -- 3) Re-enable stop button after cooldown expires (pause button removed from mini-player)
  if RJ.pauseCooldownUntil > 0 and GetTime() >= RJ.pauseCooldownUntil then
    RJ.pauseCooldownUntil = 0
    RefreshPlaybackButtons()
  end

  -- 4) Re-enable Play / Play All / Shuffle buttons after play cooldown expires
  if RJ.playCooldownUntil > 0 and GetTime() >= RJ.playCooldownUntil then
    RJ.playCooldownUntil = 0
    RefreshPlaybackButtons()
    RefreshList()
  end

  -- 5) Re-enable Skip button after skip cooldown expires
  if RJ.skipCooldownUntil > 0 and GetTime() >= RJ.skipCooldownUntil then
    RJ.skipCooldownUntil = 0
    RefreshPlaybackButtons()
  end

  -- 6) Re-enable Previous button after prev cooldown expires
  if RJ.prevCooldownUntil > 0 and GetTime() >= RJ.prevCooldownUntil then
    RJ.prevCooldownUntil = 0
    RefreshPlaybackButtons()
  end

  -- 7) Re-enable Stop button after stop cooldown expires
  if RJ.stopCooldownUntil > 0 and GetTime() >= RJ.stopCooldownUntil then
    RJ.stopCooldownUntil = 0
    RefreshPlaybackButtons()
  end
end)

-----------------------------------------------------------------------
-- Auto-start on login (disabled — player chooses when to start music)
-----------------------------------------------------------------------

local loader = CreateFrame("Frame")
loader:RegisterEvent("VARIABLES_LOADED")
loader:SetScript("OnEvent", function()
  local imported, updated

  if time then
    math.randomseed(time())
    math.random()
    math.random()
    math.random()
  end

  EnsureDB()
  imported, updated = MergeAutoPlaylist()
  CreateUI()
  CreateMiniPlayer()
  CreateMinimapButton()
  RefreshList()

  if imported > 0 and updated > 0 then
    SetStatus("Imported " .. imported .. " and updated " .. updated .. " track(s) from AutoPlaylist.lua.", 0.2, 1, 0.2)
  elseif imported > 0 then
    SetStatus("Imported " .. imported .. " track(s) from AutoPlaylist.lua.", 0.2, 1, 0.2)
  elseif updated > 0 then
    SetStatus("Updated " .. updated .. " track(s) from AutoPlaylist.lua.", 0.2, 1, 0.2)
  elseif Count(RelationshipsJukeboxDB.tracks) > 0 then
    SetStatus("Loaded " .. Count(RelationshipsJukeboxDB.tracks) .. " track(s). Ready.", 0.2, 1, 0.2)
  else
    SetStatus("No tracks found. Put files in " .. ADDON_MEDIA_PREFIX .. " then run GeneratePlaylist.bat and restart or /reload.", 1, 0.82, 0)
  end

  -- No auto-start on login — player chooses when to start music
end)

-----------------------------------------------------------------------
-- Slash commands
-----------------------------------------------------------------------
SLASH_RELJUKEBOX1 = "/rjukebox"
SLASH_RELJUKEBOX2 = "/rj"
SlashCmdList["RELJUKEBOX"] = function(msg)
  local command = string.lower(Trim(msg or ""))

  if not RJ.frame then CreateUI() end

  if command == "play" then
    StartPlaylist(false)
    return
  elseif command == "shuffle" then
    StartPlaylist(true)
    return
  elseif command == "stop" then
    StopPlayback(false)
    return
  elseif command == "skip" then
    SkipTrack()
    return
  elseif command == "prev" then
    PreviousTrack()
    return
  elseif command == "pause" then
    TogglePause()
    return
  elseif command == "mini" then
    if RJ.miniFrame then
      if RJ.miniFrame:IsShown() then
        RJ.miniFrame:Hide()
      else
        RJ.miniFrame:Show()
        RefreshMiniPlayer()
      end
    else
      CreateMiniPlayer()
    end
    return
  elseif command == "playlast" then
    local total = Count(RelationshipsJukeboxDB.tracks)
    if total > 0 then PlayTrack(total, false) end
    return
  end

  -- No command: toggle full GUI
  if RJ.frame:IsShown() then
    RJ.frame:Hide()
  else
    RJ.frame:Show()
    RefreshList()
  end
end