name: Build Android APK

on:
  push:
    branches:
      - main
  workflow_run:
    workflows: ["Version Static Assets"]
    types:
      - completed
    branches: [main]
  workflow_dispatch:

permissions:
  contents: write

jobs:
  build:
    runs-on: ubuntu-latest
    # Only run if triggered by workflow_dispatch, push to main, or successful completion of version-assets
    if: >
      github.event_name == 'workflow_dispatch' ||
      github.event_name == 'push' ||
      (github.event_name == 'workflow_run' && github.event.workflow_run.conclusion == 'success')

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          ref: main
          fetch-depth: 1

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '22'
          cache: 'npm'

      - name: Setup Java
        uses: actions/setup-java@v4
        with:
          distribution: 'temurin'
          java-version: '21'

      - name: Setup Android SDK
        uses: android-actions/setup-android@v3

      - name: Install dependencies
        run: npm ci

      - name: Sync Capacitor
        run: npx cap sync android

      - name: Decode keystore
        if: ${{ secrets.KEYSTORE_BASE64 != '' }}
        run: |
          echo "${{ secrets.KEYSTORE_BASE64 }}" | base64 -d > android/impostor.keystore

      - name: Create keystore.properties
        if: ${{ secrets.KEYSTORE_BASE64 != '' }}
        run: |
          cat > android/keystore.properties << EOF
          storeFile=../impostor.keystore
          storePassword=${{ secrets.KEYSTORE_PASSWORD }}
          keyAlias=${{ secrets.KEY_ALIAS }}
          keyPassword=${{ secrets.KEY_PASSWORD }}
          EOF

      - name: Build Release APK
        if: ${{ secrets.KEYSTORE_BASE64 != '' }}
        working-directory: android
        run: ./gradlew assembleRelease --no-daemon

      - name: Build Debug APK (fallback)
        if: ${{ secrets.KEYSTORE_BASE64 == '' }}
        working-directory: android
        run: ./gradlew assembleDebug --no-daemon

      - name: Rename APK
        run: |
          if [ -f android/app/build/outputs/apk/release/app-release.apk ]; then
            cp android/app/build/outputs/apk/release/app-release.apk impostor-game.apk
          else
            cp android/app/build/outputs/apk/debug/app-debug.apk impostor-game.apk
          fi

      - name: Update latest release (Gitea API)
        env:
          TOKEN: ${{ secrets.GITEA_TOKEN }}
        run: |
          set -euo pipefail

          API_BASE="${GITEA_API_URL:-${GITHUB_API_URL:-}}"
          if [ -z "$API_BASE" ]; then
            if [ -n "${GITEA_SERVER_URL:-}" ]; then
              API_BASE="${GITEA_SERVER_URL}/api/v1"
            elif [ -n "${GITHUB_SERVER_URL:-}" ]; then
              API_BASE="${GITHUB_SERVER_URL}/api/v1"
            else
              echo "::error::Missing API base (GITEA_API_URL/GITHUB_API_URL)."
              exit 1
            fi
          fi

          TOKEN="${TOKEN:-${GITHUB_TOKEN:-}}"
          if [ -z "$TOKEN" ]; then
            echo "::error::Missing API token (GITHUB_TOKEN or secrets.GITEA_TOKEN)."
            exit 1
          fi

          REPO="${GITHUB_REPOSITORY}"
          TAG="latest"
          NAME="Latest Build"
          BODY=$'Última versión del APK generada automáticamente.\n\nCommit: '"${GITHUB_SHA}"
          ASSET_NAME="impostor-game.apk"
          AUTH_HEADER="Authorization: token ${TOKEN}"
          export TAG NAME BODY ASSET_NAME

          tmp_file="$(mktemp)"
          status="$(curl -s -o "$tmp_file" -w "%{http_code}" -H "$AUTH_HEADER" \
            "$API_BASE/repos/$REPO/releases/tags/$TAG")"

          if [ "$status" = "200" ]; then
            release_id="$(node -e 'const fs=require("fs");const r=JSON.parse(fs.readFileSync(0,"utf8"));console.log(r.id);' < "$tmp_file")"
            update_payload="$(node -e 'console.log(JSON.stringify({name:process.env.NAME,body:process.env.BODY,prerelease:false,draft:false}))')"
            curl -fsSL -X PATCH -H "$AUTH_HEADER" -H "Content-Type: application/json" \
              -d "$update_payload" "$API_BASE/repos/$REPO/releases/$release_id" >/dev/null
          elif [ "$status" = "404" ]; then
            create_payload="$(node -e 'console.log(JSON.stringify({tag_name:process.env.TAG,name:process.env.NAME,body:process.env.BODY,prerelease:false,draft:false}))')"
            release_id="$(curl -fsSL -X POST -H "$AUTH_HEADER" -H "Content-Type: application/json" \
              -d "$create_payload" "$API_BASE/repos/$REPO/releases" \
              | node -e 'const fs=require("fs");const r=JSON.parse(fs.readFileSync(0,"utf8"));console.log(r.id);')"
          else
            echo "::error::Failed to fetch release tag (${status})."
            cat "$tmp_file"
            exit 1
          fi
          rm -f "$tmp_file"

          assets_json="$(curl -fsSL -H "$AUTH_HEADER" "$API_BASE/repos/$REPO/releases/$release_id/assets")"
          asset_id="$(node -e 'const fs=require("fs");const assets=JSON.parse(fs.readFileSync(0,"utf8"));const name=process.env.ASSET_NAME;const match=assets.find(a=>a.name===name);if (match) console.log(match.id);' <<<"$assets_json")"

          if [ -n "${asset_id:-}" ]; then
            curl -fsSL -X DELETE -H "$AUTH_HEADER" \
              "$API_BASE/repos/$REPO/releases/$release_id/assets/$asset_id" >/dev/null
          fi

          curl -fsSL -X POST -H "$AUTH_HEADER" \
            -F "attachment=@${ASSET_NAME}" \
            "$API_BASE/repos/$REPO/releases/$release_id/assets?name=${ASSET_NAME}" >/dev/null