name: "Build RetroDECK"

on:
  push:
    branches:
      - main
      - cooker*
      - feat*
      - branch/cooker*
    paths:
      - '.github/workflows/**'
      - 'automation_tools/**'
      - 'config/**'
      - 'functions/**'
      - 'rd-submodules/**'
      - '*.sh'
      - 'net.retrodeck.retrodeck.yml'
      - 'net.retrodeck.retrodeck.appdata.xml'
  pull_request:
    branches:
      - main
      - cooker*

  workflow_dispatch:

permissions:
  contents: write

jobs:
  # Generate Rekku Token Job
  Generate-Rekku-Token:
    uses: RetroDECK/components-template/.github/workflows/generate_rekku_token.yml@main
    secrets:
      REKKU_PRIVATE_KEY: ${{ secrets.REKKU_PRIVATE_KEY }}

  # Build RetroDECK Job
  Build_RetroDECK:
    runs-on: retrodeck-server
    needs: Generate-Rekku-Token
    outputs:
      tag: ${{ steps.set-outputs.outputs.tag }}
      release_body: ${{ steps.set-outputs.outputs.release_body }}
    env:
      REKKU_TOKEN: ${{ needs.Generate-Rekku-Token.outputs.rekku_token }}
      
    steps:
      # Remove Stuck Mounts
      - name: Remove stuck mounts
        run: |
          sudo umount -f /home/ubuntu/actions-runner/_work/RetroDECK/RetroDECK/.flatpak-builder/rofiles/*
          sudo umount -f $HOME/actions-run/_work/RetroDECK/RetroDECK/.flatpak-builder/rofiles/*
        continue-on-error: true

      # Clone Repository
      - name: Clone RetroDECK repo
        uses: actions/checkout@v4
        with:
          fetch-depth: 5           # Fetch the last 5 commits; adjust as needed
          submodules: true         # Fetch submodules
          submodule-fetch-depth: 5 # Fetch the last 5 commits of submodules
          ref: ${{ github.ref }}   # Ensure the current branch is checked out

      # Install Dependencies
      - name: Install dependencies
        run: curl "https://raw.githubusercontent.com/RetroDECK/components-template/main/automation_tools/install_dependencies.sh" | bash

      # Generate Build ID for Cooker Branches
      - name: Generate cooker build ID
        if: github.ref != 'refs/heads/main'
        run: "/bin/bash ${GITHUB_WORKSPACE}/automation_tools/cooker_build_id.sh"

      # Get Branch Name
      - name: Get branch name
        id: get-branch-name
        run: |
          branch_name=$(echo $GITHUB_REF | sed 's|refs/heads/||')
          echo "BRANCH_NAME=$branch_name" >> $GITHUB_ENV

      # Generate Version Tag
      - name: Generate version tag
        id: set-outputs
        run: |
          source automation_tools/version_extractor.sh
          MANIFEST_VERSION="$(fetch_manifest_version)"
          if [[ "$GITHUB_REF" == "refs/heads/main" ]]; then
            TAG="$MANIFEST_VERSION"
            MAKE_LATEST=true
          else
            source_branch="${GITHUB_HEAD_REF//\//-}"
            TAG="PR-$source_branch-${{ github.run_id }}"
            MAKE_LATEST=false
          fi
          echo "tag=$TAG" >> $GITHUB_OUTPUT
          echo "MAKE_LATEST=$MAKE_LATEST" >> $GITHUB_ENV

      # if the branch is coming from a PR the tag should be manually built
      - name: "Generate version tag and evaluating latest tag"
        run: |
          # Source the version extractor script to get the manifest version
          source automation_tools/version_extractor.sh
          MANIFEST_VERSION="$(fetch_manifest_version)"
          echo "MANIFEST_VERSION=$MANIFEST_VERSION" >> $GITHUB_ENV

          # Check if the event is related to a pull request
          if [[ "$GITHUB_EVENT_NAME" == "pull_request" || "$GITHUB_EVENT_NAME" == "pull_request_target" ]]; then
            # Use GITHUB_HEAD_REF to get the source branch
            source_branch="${GITHUB_HEAD_REF}"

            # Replace '/' with '-' in the branch name
            source_branch=${source_branch//\//-}
            # Use GITHUB_HEAD_REF to get the source branch
            source_branch="${GITHUB_HEAD_REF}"

            # Replace '/' with '-' in the branch name
            source_branch=${source_branch//\//-}
            echo "[DEBUG] source branch is: $source_branch"

            # Generate the tag for a pull request
            echo "TAG=PR-$source_branch-${{ env.buildid }}" >> $GITHUB_ENV
            echo "MAKE_LATEST=false" >> $GITHUB_ENV  # Not marked as the latest cooker version if it's a feature branch
          else
            # Generate the tag for non-pull request branches
            TAG="$MANIFEST_VERSION-${{ env.buildid }}"
            echo "TAG=$TAG" >> $GITHUB_ENV
            echo "MAKE_LATEST=true" >> $GITHUB_ENV
          fi

          # Output the manifest version and generated tag for debugging
          echo "MANIFEST_VERSION: $MANIFEST_VERSION"
          echo "Version TAG: $TAG"
          echo "MAKE_LATEST: $MAKE_LATEST"

      # backing up manifest in case download fails and hashes must be recalculated
      - name: Manifest backup
        run: "cp ${GITHUB_WORKSPACE}/net.retrodeck.retrodeck.yml ${GITHUB_WORKSPACE}/net.retrodeck.retrodeck.yml.bak"

      - name: Run pre-build automation tasks
        run : "/bin/bash ${GITHUB_WORKSPACE}/automation_tools/pre_build_automation.sh"

      - name: "Adding flatpak portal for automated updates (Cooker only)"
        if: github.ref != 'refs/heads/main'
        run: "/bin/bash ${GITHUB_WORKSPACE}/automation_tools/cooker_flatpak_portal_add.sh"

      - name: "Updating release notes in appdata"
        run: "automation_tools/appdata_management.sh"

      - name: "[DEBUG] Outputting manifest"
        run: cat net.retrodeck.retrodeck.yml

      # Get Commits Since Last Release
      - name: Get commits since last release
        id: get-commits
        run: |
          LATEST_TAG=$(git describe --tags --abbrev=0 $(git rev-list --tags --max-count=1 --first-parent) || echo "")
          if [ -z "$LATEST_TAG" ]; then
            COMMITS=$(git log HEAD --pretty=format:"- %s")
          else
            COMMITS=$(git log ${LATEST_TAG}..HEAD --pretty=format:"- %s")
          fi
          echo "commits=$COMMITS" >> $GITHUB_OUTPUT

      # Generate Release Body
      - name: Generate release body text
        id: generate-body
        run: |
          RELEASE_BODY="# Release Notes\n"
          RELEASE_BODY+="This release is based on the commit: ${{ github.repository }}@${{ github.sha }}.\n"
          RELEASE_BODY+="On branch [${{ env.BRANCH_NAME }}](https://github.com/RetroDECK/RetroDECK/tree/${{ env.BRANCH_NAME }}).\n\n"
          RELEASE_BODY+="## Commits since last release\n"
          RELEASE_BODY+="${{ steps.get-commits.outputs.commits }}\n\n"

          # # Extract the latest release version and date
          # LATEST_RELEASE=$(xmlstarlet sel -t -m "//release[1]" -v "@version" -o " (" -v "@date" -o ")" -n net.retrodeck.retrodeck.appdata.xml)

          # # Extract and format the description content
          # DESCRIPTION=$(xmlstarlet sel -t -m "//release[1]/description/*" \
          #     -i "self::p" -o "\n### " -v "." -o "\n" \
          #     -i "self::ul/li" -o "- " -v "." -o "\n" \
          #     net.retrodeck.retrodeck.appdata.xml)

          # RELEASE_BODY+="# Release Notes\nVersion: $LATEST_RELEASE\n\n$DESCRIPTION"

          # Output the release body for GitHub Actions
          echo "release_body=$RELEASE_BODY" >> $GITHUB_OUTPUT

      - name: "Build flatpak: download only"
        run: "/bin/bash ${GITHUB_WORKSPACE}/automation_tools/flatpak_build_only.sh"

      # Sometimes flatpak download fails, in this case it tries a second time
      - name: "Build flatpak: download only (retry)"
        if: steps.flatpak-download.outcome == 'failure'
        run: |
          echo "Download failed, maybe some hash changed since the build start."
          echo "Recalculating hashes and retrying download..."
          rm -f "{GITHUB_WORKSPACE}/net.retrodeck.retrodeck.yml"
          cp "${GITHUB_WORKSPACE}/net.retrodeck.retrodeck.yml.bak" "${GITHUB_WORKSPACE}/net.retrodeck.retrodeck.yml"
          "${GITHUB_WORKSPACE}/automation_tools/pre_build_automation.sh"
          "${GITHUB_WORKSPACE}/automation_tools/flatpak_build_download_only.sh"

      - name: Create Bundle
        run: "/bin/bash ${GITHUB_WORKSPACE}/automation_tools/flatpak_build_bundle.sh"

      # Determine if Target Repository is Main or not, in that case is a Cooker build
      - name: Determine target repository
        id: set-repo
        run: |
          if [[ "$GITHUB_REF" == "refs/heads/main" || "$GITHUB_REF" == refs/heads/feat* ]]; then
            echo "repo_name=RetroDECK" >> $GITHUB_ENV
          else
            echo "repo_name=Cooker" >> $GITHUB_ENV
          fi

      # Publish Release
      - name: Publish release
        uses: ncipollo/release-action@v1
        with:
          tag: ${{ steps.set-outputs.outputs.tag }}
          name: "RetroDECK ${{ steps.set-outputs.outputs.tag }}"
          body: ${{ steps.generate-body.outputs.release_body }}
          artifacts: "RetroDECK*.flatpak,RetroDECK*.flatpak.sha,RetroDECK*Artifact.tar.gz"
          allowUpdates: true
          makeLatest: ${{ env.MAKE_LATEST }}
          token: ${{ needs.Generate-Rekku-Token.outputs.token }}
          repo: "${{ env.repo_name }}"
        continue-on-error: ${{ github.ref != 'refs/heads/main' }}

      # Rewrite Tag (for Main Branch Only)
      - name: Rewrite Tag
        if: github.ref == 'refs/heads/main'
        run: |
          git submodule deinit -f --all
          git fetch --tags
          if git rev-parse --verify "${{ steps.set-outputs.outputs.tag }}" >/dev/null 2>&1; then
              git tag -d "${{ steps.set-outputs.outputs.tag }}"
              git push --delete origin "${{ steps.set-outputs.outputs.tag }}"
          fi
          git tag "${{ steps.set-outputs.outputs.tag }}"
          git push origin "${{ steps.set-outputs.outputs.tag }}"
        env:
          GITHUB_TOKEN: ${{ needs.Generate-Rekku-Token.outputs.token }}

      # Upload artifacts for other jobs
      - name: Upload Build Artifacts
        uses: actions/upload-artifact@v4
        with:
          name: retrodeck-artifacts
          path: |
            RetroDECK*.flatpak
            RetroDECK*.flatpak.sha
            RetroDECK*Artifact.tar.gz

  # As backup we're even publishing the build on our own selfhosted Fogejo instance
  # Forgejo Publish Job if main branch
  # Forgejo-publish:
  #   if: github.ref == 'refs/heads/main'
  #   needs: Build_RetroDECK
  #   uses: RetroDECK/components-template/.github/workflows/fogejo_publish_release.yml@main
  #   with:
  #     release_body: ${{ needs.Build_RetroDECK.outputs.release_body }}
  #     artifacts: "RetroDECK*.flatpak,RetroDECK*.flatpak.sha,RetroDECK*Artifact.tar.gz"
  #     tag: ${{ needs.Build_RetroDECK.outputs.tag }}
  #   secrets: 
  #     FORGEJO_TRIGGER_BUILD_TOKEN: ${{ secrets.FORGEJO_TRIGGER_BUILD_TOKEN }}