name: Build Windows

on:
  workflow_dispatch:
    inputs:
      version:
        description: "Version to build (e.g. 0.3.0)"
        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-windows
          path: dist/
          retention-days: 1

  tauri:
    name: Tauri (Windows x64)
    needs: frontend
    runs-on: windows-latest

    steps:
      - uses: actions/checkout@v4

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

      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable
        with:
          targets: x86_64-pc-windows-msvc

      - 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 (Windows x64)
        shell: bash
        run: |
          curl -fsSL \
            "https://github.com/Suwayomi/Suwayomi-Server/releases/download/v2.1.1867/Suwayomi-Server-v2.1.1867-windows-x64.zip" \
            -o suwayomi-windows.zip

          echo "ab6687d278e0dd0984f67abbc853511a7e764f84b126a35d09bfd9b0307321ff  suwayomi-windows.zip" | sha256sum -c -

          unzip -q suwayomi-windows.zip -d suwayomi-extracted-raw

          # Detect whether the zip has a single top-level directory wrapper.
          # If exactly one entry exists at depth-1 and it is a directory, strip it.
          TOP_DIRS=$(find suwayomi-extracted-raw -mindepth 1 -maxdepth 1 -type d)
          TOP_FILES=$(find suwayomi-extracted-raw -mindepth 1 -maxdepth 1 -type f)
          TOP_DIR_COUNT=$(echo "$TOP_DIRS" | grep -c . || true)

          mkdir -p suwayomi-extracted
          if [ "$TOP_DIR_COUNT" -eq 1 ] && [ -z "$TOP_FILES" ]; then
            # Single wrapping directory — strip it
            mv "$TOP_DIRS"/* suwayomi-extracted/
          else
            # Files already at root level — move everything as-is
            mv suwayomi-extracted-raw/* suwayomi-extracted/
          fi

      - name: Inspect Suwayomi launcher
        shell: bash
        run: |
          echo "=== Top-level contents ==="
          ls -la suwayomi-extracted/
          echo "=== All .exe files ==="
          find suwayomi-extracted -name "*.exe" | head -20
          echo "=== All .cmd/.bat files ==="
          find suwayomi-extracted -name "*.cmd" -o -name "*.bat" | head -20

      - name: Stage Suwayomi sidecar
        shell: bash
        run: |
          mkdir -p src-tauri/binaries

          # The Windows bundle has no standalone launcher exe — it ships
          # "Suwayomi Launcher.bat" which calls jre\bin\javaw.exe -jar Suwayomi-Launcher.jar.
          # Tauri sidecars must be real executables, so we stage javaw.exe as the
          # sidecar. lib.rs will invoke it with the correct -jar + working-dir args.
          JAVAW=$(find suwayomi-extracted -path "*/jre/bin/javaw.exe" | head -1)

          if [ -z "$JAVAW" ]; then
            echo "ERROR: could not find jre/bin/javaw.exe"
            ls -lR suwayomi-extracted/
            exit 1
          fi

          echo "Using javaw: $JAVAW"
          cp "$JAVAW" "src-tauri/binaries/suwayomi-server-x86_64-pc-windows-msvc.exe"

          # Copy the full bundle so the .jar and jre/ tree are available at runtime.
          # lib.rs sets the working directory to this folder before spawning.
          cp -r suwayomi-extracted src-tauri/binaries/suwayomi-bundle

      - name: Patch tauri.conf.json for CI
        shell: bash
        run: |
          sed -i 's/"beforeBuildCommand": "pnpm build"/"beforeBuildCommand": ""/' src-tauri/tauri.conf.json

      - name: Build Tauri app (Windows x64)
        uses: tauri-apps/tauri-action@v0
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          args: --target x86_64-pc-windows-msvc

      - name: Upload Windows installer
        uses: actions/upload-artifact@v4
        with:
          name: moku-windows-x64
          path: src-tauri/target/x86_64-pc-windows-msvc/release/bundle/nsis/*.exe
          retention-days: 7