name: Build job

on:
  # Every Thursday at 17:30 UTC
  schedule:
    - cron: '30 17 * * 4'
  # Manual triggers
  workflow_dispatch:
    inputs:
      git-ref:
        description: Git Ref (Optional)
        required: false
      dry-run:
        description: Creates a draft release
        required: false
        type: boolean

jobs:
  build:
    name: Build app
    runs-on: 'ubuntu-24.04'
    steps:
      - name: Clone Repository (Latest)
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          repository: 'mihonapp/mihon'
          fetch-depth: 0
        if: github.event.inputs.git-ref == ''
      - name: Clone Repository (Custom Ref)
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        if: github.event.inputs.git-ref != ''
        with:
          repository: 'mihonapp/mihon'
          fetch-depth: 0
          ref: ${{ github.event.inputs.git-ref }}

      - name: Set up JDK
        uses: actions/setup-java@c5195efecf7bdfc987ee8bae7a71cb8b11521c00 # v4.7.1
        with:
          java-version: 17
          distribution: temurin

      - name: Set up gradle
        uses: gradle/actions/setup-gradle@ac638b010cf58a27ee6c972d7336334ccaf61c96 # v4.4.1

      - name: Build APK
        run: ./gradlew assemblePreview -Pinclude-telemetry -Penable-updater

      - name: Sign APK
        uses: r0adkll/sign-android-release@f30bdd30588842ac76044ecdbd4b6d0e3e813478
        with:
          releaseDirectory: app/build/outputs/apk/preview
          signingKeyBase64: ${{ secrets.SIGNING_KEY }}
          alias: ${{ secrets.ALIAS }}
          keyStorePassword: ${{ secrets.KEY_STORE_PASSWORD }}
          keyPassword: ${{ secrets.KEY_PASSWORD }}
        env:
          BUILD_TOOLS_VERSION: '35.0.1'

      - name: Prepare changelog
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          set -e

          commit_count=$(git rev-list --count HEAD)
          echo "COMMIT_COUNT=$commit_count" >> $GITHUB_ENV
          current_sha=$(git rev-parse --short HEAD)
          echo "CURRENT_SHA=$current_sha" >> $GITHUB_ENV

          tag_name=$(gh release list --repo mihonapp/mihon-preview --exclude-drafts --exclude-pre-releases --json tagName --limit 1 --jq 'select(length > 0) | .[0].tagName')
          if [ -n "$tag_name" ]; then
            echo "Latest Tag: $tag_name"
          else
            echo "Failed to get repository information"
            exit 1
          fi

          prev_commit_count=$(echo "$tag_name" | sed -e "s/^r//")
          commit_count_diff=$(expr $commit_count - $prev_commit_count)
          prev_release_sha=$(git rev-parse --short HEAD~$commit_count_diff)
          echo "PREV_RELEASE_SHA=$prev_release_sha" >> $GITHUB_ENV

          echo "COMMIT_LOGS<<{delimiter}
          $(curl -H "Accept: application/vnd.github.v3+json" \
            "https://api.github.com/repos/mihonapp/mihon/compare/$prev_release_sha...$current_sha" \
            | jq '[.commits[]|{message:(.commit.message | split("\n")), username:.author.login}]' \
            | jq -r '.[]|"- \(.message | first) (@\(.username))"')
          {delimiter}" >> $GITHUB_ENV

      - name: Clean up build artifacts
        run: |
          set -e

          mv app/build/outputs/apk/preview/app-universal-preview-signed.apk mihon-r${{ env.COMMIT_COUNT }}.apk
          mv app/build/outputs/apk/preview/app-arm64-v8a-preview-signed.apk mihon-arm64-v8a-r${{ env.COMMIT_COUNT }}.apk
          mv app/build/outputs/apk/preview/app-armeabi-v7a-preview-signed.apk mihon-armeabi-v7a-r${{ env.COMMIT_COUNT }}.apk
          mv app/build/outputs/apk/preview/app-x86-preview-signed.apk mihon-x86-r${{ env.COMMIT_COUNT }}.apk
          mv app/build/outputs/apk/preview/app-x86_64-preview-signed.apk mihon-x86_64-r${{ env.COMMIT_COUNT }}.apk

      - name: Create release
        uses: softprops/action-gh-release@72f2c25fcb47643c292f7107632f7a47c1df5cd8 # v2.3.2
        with:
          tag_name: r${{ env.COMMIT_COUNT }}
          name: Mihon Preview r${{ env.COMMIT_COUNT }}
          body: |
            ### Commits

            https://github.com/mihonapp/mihon/compare/${{ env.PREV_RELEASE_SHA }}...${{ env.CURRENT_SHA }}

            ${{ env.COMMIT_LOGS }}

            <!-->
            > [!TIP]
            >
            > ### If you are unsure which version to download then go with `mihon-r${{ env.COMMIT_COUNT }}.apk`
          files: |
            mihon-r${{ env.COMMIT_COUNT }}.apk
            mihon-arm64-v8a-r${{ env.COMMIT_COUNT }}.apk
            mihon-armeabi-v7a-r${{ env.COMMIT_COUNT }}.apk
            mihon-x86-r${{ env.COMMIT_COUNT }}.apk
            mihon-x86_64-r${{ env.COMMIT_COUNT }}.apk
          draft: ${{ github.event.inputs.dry-run }}
          prerelease: false
        env:
          GITHUB_TOKEN: ${{ secrets.MIHON_BOT_TOKEN }}

      - name: Prune old releases
        uses: dev-drprasad/delete-older-releases@dfbe6be2a006e9475dfcbe5b8d201f1824c2a9fe # v0.3.4
        env:
          GITHUB_TOKEN: ${{ secrets.MIHON_BOT_TOKEN }}
        with:
          keep_latest: 28
          delete_tags: true