name: Build Linux Packages

on:
  push:
    tags:
      - "v*"
  workflow_dispatch:

env:
  TYPST_COMMIT: 9dfd3a08500b7896045f907433cf7b4b02434fad
  APPIMAGE_EXTRACT_AND_RUN: 1
  NO_STRIP: 1

jobs:
  build:
    runs-on: ubuntu-22.04

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          path: typst-desktop

      - name: Clone Typst compiler
        run: |
          git clone https://github.com/typst/typst.git typstdrive/typst
          git -C typstdrive/typst checkout "$TYPST_COMMIT"

      - name: Install build dependencies
        run: |
          apt-get update
          apt-get install -y \
            libwebkit2gtk-4.1-dev \
            libgtk-3-dev \
            libappindicator3-dev \
            librsvg2-dev \
            patchelf \
            libssl-dev \
            pkg-config \
            build-essential \
            file \
            curl \
            wget \
            jq \
            xdg-utils

      - name: Set up Bun
        uses: oven-sh/setup-bun@v2
        with:
          bun-version: latest

      - name: Set up Rust
        uses: dtolnay/rust-toolchain@stable

      - name: Cache cargo
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            typst-desktop/src-tauri/target
          key: cargo-release-${{ hashFiles('typst-desktop/src-tauri/Cargo.lock') }}
          restore-keys: cargo-release-

      - name: Install frontend dependencies
        working-directory: typst-desktop
        run: bun install

      - name: Build application
        working-directory: typst-desktop
        run: bun run tauri build

      - name: Collect packages
        run: |
          mkdir -p packages
          find typst-desktop/src-tauri/target/release/bundle \
            -type f \( -name "*.deb" -o -name "*.rpm" -o -name "*.AppImage" \) \
            -exec cp {} packages/ \;
          ls -la packages

      - name: Upload packages
        uses: actions/upload-artifact@v3
        with:
          name: typst-desktop-linux-x86_64
          path: packages/*
          if-no-files-found: error

      - name: Publish to GitHub release
        if: startsWith(github.ref, 'refs/tags/v')
        env:
          TOKEN: ${{ secrets.RELEASE_TOKEN }}
          REPOSITORY: sirblobby/typst-desktop
          TAG: ${{ github.ref_name }}
        run: |
          set -euo pipefail

          api="https://api.github.com/repos/$REPOSITORY"
          auth="Authorization: Bearer $TOKEN"
          json="Content-Type: application/json"

          existing=$(curl -sS -H "$auth" "$api/releases/tags/$TAG" | jq -r '.id // empty')

          if [ -n "$existing" ]; then
            release_id=$existing
          else
            release_id=$(curl -sS -X POST -H "$auth" -H "$json" "$api/releases" \
              -d "$(jq -n --arg tag "$TAG" \
                '{tag_name: $tag, name: ("Typst Desktop " + $tag), body: "Download the package for your distribution below.", draft: true, prerelease: false}')" \
              | jq -r '.id')
          fi

          if [ -z "$release_id" ] || [ "$release_id" = "null" ]; then
            echo "Could not create or find the release"
            exit 1
          fi

          for package in packages/*; do
            name=$(basename "$package")
            echo "Uploading $name"
            curl -sS --fail -X POST -H "$auth" \
              -H "Content-Type: application/octet-stream" \
              --data-binary "@$package" \
              "https://uploads.github.com/repos/$REPOSITORY/releases/$release_id/assets?name=$name" \
              > /dev/null
          done

          echo "Uploaded to the draft release for $TAG"