# CI for the packager itself: build the Docker image and smoke-test that it
# produces a non-empty patch-Z.mpq from the test fixture.

name: CI
on:
  push:
    branches: [main]
  pull_request:

jobs:
  build-and-smoke:
    runs-on: ubuntu-latest
    steps:
      # octowow.st is served under /git, but Gitea generates clone URLs without
      # it (ROOT_URL/proxy misconfig), so actions/checkout 404s. Clone manually
      # against the correct base. Remove once the server ROOT_URL is fixed.
      - name: Checkout
        run: |
          git init -q .
          git remote add origin "https://gitea:${{ secrets.GITHUB_TOKEN }}@octowow.st/git/${{ github.repository }}.git"
          git fetch -q --depth 1 origin "${{ github.ref }}"
          git checkout -q FETCH_HEAD

      - name: Build image
        run: docker build -t mpq-packager:ci .

      # NOTE: act_runner runs these `docker` commands against the HOST daemon via
      # the mounted socket, so bind-mounting the job's files (-v "$PWD:/work")
      # doesn't work — the source path isn't on the host. Use `docker cp` to
      # stream files in/out of a created container instead. The GlueXML release
      # workflow uses this same pattern.
      - name: Package the fixture
        run: |
          set -euo pipefail
          cid=$(docker create \
            -e INPUT_MANIFEST=mpq.yaml \
            -e INPUT_VERSION=v0.0.0-ci \
            -e INPUT_OUT_DIR=/work/dist \
            -e GITHUB_WORKSPACE=/work \
            mpq-packager:ci)
          docker cp test/. "$cid:/work"
          docker start -a "$cid"
          docker cp "$cid:/work/dist/patch-Z.mpq" ./patch-Z.mpq
          docker rm "$cid" >/dev/null

      - name: Assert archive is valid and contains the expected file
        run: |
          set -euo pipefail
          test -s patch-Z.mpq
          echo "size: $(stat -c%s patch-Z.mpq) bytes"
          # Read the archive back with StormLib (mpqpack --list/--cat) inside a
          # sleeping container we exec into.
          cid=$(docker run -d --entrypoint sleep mpq-packager:ci 120)
          docker cp patch-Z.mpq "$cid:/patch-Z.mpq"
          docker exec "$cid" mpqpack --list /patch-Z.mpq | tee list.txt
          grep -q 'Interface\\AddOns\\Fixture\\Hello.lua' list.txt
          docker exec "$cid" mpqpack --cat /patch-Z.mpq 'Interface\AddOns\Fixture\Hello.lua' \
            | grep -q 'VERSION = "v0.0.0-ci"'
          docker rm -f "$cid" >/dev/null
          echo "OK: archive valid, path + substitution confirmed"