name: 'Nightly Build'

on:
  push:
    branches:
      - master
    paths-ignore:
      - '**/*.md'
      - 'manifest.json'
      - 'manifest-nightly.json'

jobs:
  nightly-build:
    runs-on: linux/amd64
    container:
      image: gitea.tourolle.paris/dtourolle/srfplay-builder:latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          path: build-${{ github.run_id }}

      - name: Compute nightly version
        id: version
        run: |
          # Date-based nightly version: 1.0.<YYYYMMDD>.<run_number>
          # The run_number suffix keeps multiple builds on the same day
          # monotonically increasing so Jellyfin always offers the newest.
          # Each Jellyfin generation gets its own build, so the last segment
          # is <run_number><2-digit flavour code>, e.g. run 204 -> 20409/20411/20412
          # (see .gitea/scripts/build-plugins.sh).
          DATE=$(date -u +"%Y%m%d")
          VERSION="1.0.${DATE}.${{ github.run_number }}"
          echo "version=${VERSION}" >> $GITHUB_OUTPUT
          echo "format=${VERSION}%02d" >> $GITHUB_OUTPUT
          echo "Nightly version: ${VERSION}"

      - name: Restore dependencies
        working-directory: build-${{ github.run_id }}
        run: dotnet restore Jellyfin.Plugin.SRFPlay.sln

      - name: Build solution
        working-directory: build-${{ github.run_id }}
        run: dotnet build Jellyfin.Plugin.SRFPlay.sln --configuration Release --no-restore --no-self-contained /m:1

      - name: Run tests
        working-directory: build-${{ github.run_id }}
        run: dotnet test Jellyfin.Plugin.SRFPlay.sln --no-build --configuration Release --verbosity normal

      - name: Build Jellyfin Plugins
        working-directory: build-${{ github.run_id }}
        run: .gitea/scripts/build-plugins.sh "${{ steps.version.outputs.format }}"

      - name: Delete existing nightly release
        working-directory: build-${{ github.run_id }}
        env:
          GITEA_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          REPO_OWNER="${{ github.repository_owner }}"
          REPO_NAME="${{ github.event.repository.name }}"
          GITEA_URL="${{ github.server_url }}"
          TAG="latest"

          EXISTING=$(curl -s -o /dev/null -w "%{http_code}" \
            -H "Authorization: token ${GITEA_TOKEN}" \
            "${GITEA_URL}/api/v1/repos/${REPO_OWNER}/${REPO_NAME}/releases/tags/${TAG}")

          if [ "$EXISTING" = "200" ]; then
            RELEASE_ID=$(curl -s \
              -H "Authorization: token ${GITEA_TOKEN}" \
              "${GITEA_URL}/api/v1/repos/${REPO_OWNER}/${REPO_NAME}/releases/tags/${TAG}" | jq -r '.id')

            echo "Deleting existing nightly release (ID: ${RELEASE_ID})..."
            curl -s -X DELETE \
              -H "Authorization: token ${GITEA_TOKEN}" \
              "${GITEA_URL}/api/v1/repos/${REPO_OWNER}/${REPO_NAME}/releases/${RELEASE_ID}"
          fi

          curl -s -X DELETE \
            -H "Authorization: token ${GITEA_TOKEN}" \
            "${GITEA_URL}/api/v1/repos/${REPO_OWNER}/${REPO_NAME}/tags/${TAG}" || true

      - name: Create nightly release
        working-directory: build-${{ github.run_id }}
        env:
          GITEA_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          REPO_OWNER="${{ github.repository_owner }}"
          REPO_NAME="${{ github.event.repository.name }}"
          GITEA_URL="${{ github.server_url }}"
          VERSION="${{ steps.version.outputs.version }}"
          SHORT_SHA=$(echo "${{ github.sha }}" | cut -c1-7)

          RESPONSE=$(curl -s -w "\n%{http_code}" -X POST \
            -H "Authorization: token ${GITEA_TOKEN}" \
            -H "Content-Type: application/json" \
            "${GITEA_URL}/api/v1/repos/${REPO_OWNER}/${REPO_NAME}/releases" \
            -d "$(jq -n --arg tag "latest" --arg name "Nightly Build ${VERSION}" --arg body "SRFPlay Jellyfin Plugin nightly build ${VERSION} from master (${SHORT_SHA})." '{tag_name: $tag, name: $name, body: $body, target_commitish: "master", draft: false, prerelease: true}')")

          HTTP_CODE=$(echo "$RESPONSE" | tail -n1)
          BODY=$(echo "$RESPONSE" | sed '$d')

          if [ "$HTTP_CODE" -ge 200 ] && [ "$HTTP_CODE" -lt 300 ]; then
            RELEASE_ID=$(echo "$BODY" | jq -r '.id')
            echo "Created release with ID: ${RELEASE_ID}"
          else
            echo "Failed to create release. HTTP ${HTTP_CODE}"
            echo "$BODY"
            exit 1
          fi

          # Upload one plugin zip per Jellyfin generation
          while IFS=$'\t' read -r _ _ ZIP _; do
            echo "Uploading ${ZIP}..."
            curl -f -X POST \
              -H "Authorization: token ${GITEA_TOKEN}" \
              -H "Content-Type: application/zip" \
              --data-binary "@${ZIP}" \
              "${GITEA_URL}/api/v1/repos/${REPO_OWNER}/${REPO_NAME}/releases/${RELEASE_ID}/assets?name=$(basename "${ZIP}")"
          done < artifacts/builds.tsv

          # Upload build.yaml
          echo "Uploading build.yaml..."
          curl -f -X POST \
            -H "Authorization: token ${GITEA_TOKEN}" \
            -H "Content-Type: application/x-yaml" \
            --data-binary "@build.yaml" \
            "${GITEA_URL}/api/v1/repos/${REPO_OWNER}/${REPO_NAME}/releases/${RELEASE_ID}/assets?name=build.yaml"

          echo "Nightly release updated successfully!"

      - name: Update manifest-nightly.json
        working-directory: build-${{ github.run_id }}
        env:
          GITEA_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          REPO_OWNER="${{ github.repository_owner }}"
          REPO_NAME="${{ github.event.repository.name }}"
          GITEA_URL="${{ github.server_url }}"
          TIMESTAMP=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
          SHORT_SHA=$(echo "${{ github.sha }}" | cut -c1-7)
          # builds.tsv is read before the checkout below replaces the tree.
          BUILDS=$(cat artifacts/builds.tsv)

          git config user.name "Gitea Actions"
          git config user.email "actions@gitea.tourolle.paris"
          git fetch origin master
          # -B against origin/master, not a bare `checkout master`. The bare
          # form switches to the LOCAL master that actions/checkout left at the
          # run's own SHA, so if master moved while the build ran -- and this is
          # a nightly, so it usually has -- the manifest is edited on a stale
          # base and the push is rejected non-fast-forward. Run 1045 failed
          # exactly this way, having already printed "Your branch is behind
          # 'origin/master' by 1 commit" one line before committing anyway.
          #
          # Resetting is right rather than merely convenient: this step appends
          # one entry to the manifest as it stands on master, so the base it
          # edits must be master, not whatever this build started from.
          git checkout -B master origin/master

          # One entry per Jellyfin generation; each server installs the newest
          # entry whose targetAbi it satisfies.
          NEW_VERSIONS=$(echo "${BUILDS}" | jq -R -s \
            --arg url "${GITEA_URL}/${REPO_OWNER}/${REPO_NAME}/releases/download/latest" \
            --arg sha "${SHORT_SHA}" --arg ts "${TIMESTAMP}" \
            'split("\n") | map(select(length > 0) | split("\t")
              | {version: .[0], changelog: "Nightly build \(.[0]) (\($sha))", targetAbi: .[1],
                 sourceUrl: "\($url)/\(.[2] | split("/") | last)", checksum: .[3], timestamp: $ts})
              | reverse')

          # Prepend the new builds and keep only the most recent 5 nightlies
          # (3 entries each, one per Jellyfin generation).
          jq --argjson newvers "${NEW_VERSIONS}" \
            '.[0].versions = ($newvers + .[0].versions)[0:15]' \
            manifest-nightly.json > manifest.tmp && mv manifest.tmp manifest-nightly.json

          git add manifest-nightly.json
          git commit -m "Nightly: ${{ steps.version.outputs.version }} (${SHORT_SHA})" || echo "No changes to commit"
          git push origin master

      - name: Cleanup
        if: always()
        run: rm -rf build-${{ github.run_id }}