name: Build Linux

on:
  workflow_dispatch:
    inputs:
      version:
        description: "Version to build (e.g. 0.4.0)"
        required: true

jobs:
  frontend:
    name: Build frontend
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: pnpm/action-setup@v4
        with:
          version: latest

      - uses: actions/setup-node@v4
        with:
          node-version: 22
          cache: pnpm

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Build
        run: pnpm build

      - name: Upload dist
        uses: actions/upload-artifact@v4
        with:
          name: frontend-dist-linux
          path: dist/
          retention-days: 1

  tauri:
    name: Tauri (Linux x64)
    needs: frontend
    runs-on: ubuntu-22.04

    steps:
      - uses: actions/checkout@v4

      - name: Download frontend dist
        uses: actions/download-artifact@v4
        with:
          name: frontend-dist-linux
          path: dist/

      - name: Install system dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y \
            libwebkit2gtk-4.1-dev \
            libgtk-3-dev \
            libayatana-appindicator3-dev \
            librsvg2-dev \
            patchelf

      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable
        with:
          targets: x86_64-unknown-linux-gnu

      - name: Rust cache
        uses: Swatinem/rust-cache@v2
        with:
          workspaces: src-tauri

      - uses: pnpm/action-setup@v4
        with:
          version: latest

      - uses: actions/setup-node@v4
        with:
          node-version: 22
          cache: pnpm

      - name: Install JS dependencies
        run: pnpm install --frozen-lockfile

      - name: Download Suwayomi (Linux x64)
        run: |
          curl -fsSL \
            "https://github.com/Suwayomi/Suwayomi-Server/releases/download/v2.1.1867/Suwayomi-Server-v2.1.1867-linux-x64.tar.gz" \
            -o suwayomi-linux.tar.gz

          echo "b2344bd73c4e26bede63cdb4b44b1b4168d8a8500b3b2b1a0219519a3ef708fe  suwayomi-linux.tar.gz" | sha256sum -c -

          mkdir -p suwayomi-extracted
          tar -xzf suwayomi-linux.tar.gz -C suwayomi-extracted --strip-components=1

          echo "Extracted bundle contents (top-level):"
          ls -la suwayomi-extracted/

      - name: Stage Suwayomi bundle
        run: |
          mkdir -p src-tauri/binaries

          JAVA=$(find suwayomi-extracted -path "*/jre/bin/java" | head -1)
          JAR=$(find suwayomi-extracted -name "Suwayomi-Launcher.jar" | head -1)

          if [ -z "$JAVA" ]; then
            echo "ERROR: jre/bin/java not found. Bundle contents:"
            find suwayomi-extracted -type f | head -50
            exit 1
          fi

          if [ -z "$JAR" ]; then
            echo "ERROR: Suwayomi-Launcher.jar not found. Bundle contents:"
            find suwayomi-extracted -type f | head -50
            exit 1
          fi

          echo "Found java: $JAVA"
          echo "Found jar:  $JAR"

          # Copy full bundle as resources so jar + jre tree are available
          # at runtime via resource_dir/suwayomi-bundle/.
          cp -r suwayomi-extracted src-tauri/binaries/suwayomi-bundle

      - name: Validate staging
        run: |
          echo "--- Validating bundle java ---"
          find src-tauri/binaries/suwayomi-bundle -path "*/jre/bin/java" \
            | grep -q . \
            || (echo "ERROR: jre/bin/java missing" && exit 1)

          echo "--- Validating bundle jar ---"
          find src-tauri/binaries/suwayomi-bundle -name "Suwayomi-Launcher.jar" \
            | grep -q . \
            || (echo "ERROR: Suwayomi-Launcher.jar missing" && exit 1)

          echo "Staging OK"

      - name: Patch tauri.conf.json for CI
        run: |
          # Suppress the frontend rebuild (dist/ already built by frontend job).
          sed -i 's/"beforeBuildCommand": "pnpm build"/"beforeBuildCommand": ""/' src-tauri/tauri.conf.json

          # Remove externalBin entirely for Linux — we use bundled resources,
          # no sidecar registration needed.
          # Inject the suwayomi-bundle resource glob.
          python3 - << 'PYEOF'
import json
with open("src-tauri/tauri.conf.json") as f:
    conf = json.load(f)
conf["bundle"]["resources"] = ["binaries/suwayomi-bundle/**"]
conf["bundle"]["externalBin"] = []
with open("src-tauri/tauri.conf.json", "w") as f:
    json.dump(conf, f, indent=2)
print("tauri.conf.json patched — resources injected, externalBin cleared")
PYEOF

      - name: Build Tauri app (Linux x64)
        uses: tauri-apps/tauri-action@v0
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          args: --target x86_64-unknown-linux-gnu

      - name: Upload AppImage
        uses: actions/upload-artifact@v4
        with:
          name: moku-linux-x64-appimage
          path: src-tauri/target/x86_64-unknown-linux-gnu/release/bundle/appimage/*.AppImage
          retention-days: 7

      - name: Upload .deb
        uses: actions/upload-artifact@v4
        with:
          name: moku-linux-x64-deb
          path: src-tauri/target/x86_64-unknown-linux-gnu/release/bundle/deb/*.deb
          retention-days: 7