name: Release

permissions:
  contents: write
  packages: write

on:
  release:
    types: [created]
  workflow_dispatch:
    inputs:
      tag:
        description: "Tag to attach assets to (e.g. v1.0.0)"
        required: false

jobs:
  prepare:
    runs-on: ubuntu-latest
    outputs:
      tag: ${{ steps.tag.outputs.tag }}
    steps:
      - name: Determine tag to use
        id: tag
        run: |
          set -euo pipefail

          INPUT_TAG="${{ github.event.inputs.tag || '' }}"
          if [ -n "$INPUT_TAG" ]; then
            echo "Using input tag: $INPUT_TAG"
            echo "tag=$INPUT_TAG" >> $GITHUB_OUTPUT
            exit 0
          fi

          EVENT_TAG="${{ github.event.release.tag_name || '' }}"
          if [ -n "$EVENT_TAG" ]; then
            echo "Using event tag: $EVENT_TAG"
            echo "tag=$EVENT_TAG" >> $GITHUB_OUTPUT
            exit 0
          fi

          if [[ "${GITHUB_REF:-}" =~ ^refs/tags/(.+)$ ]]; then
            echo "Using GITHUB_REF tag: ${BASH_REMATCH[1]}"
            echo "tag=${BASH_REMATCH[1]}" >> $GITHUB_OUTPUT
            exit 0
          fi

          echo "No tag in input/event/GITHUB_REF — querying latest release via API..."
          LATEST_JSON=$(curl -sSf -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" -H "Accept: application/vnd.github+json" "https://api.github.com/repos/${{ github.repository }}/releases/latest" || true)
          TAG_NAME=$(echo "$LATEST_JSON" | jq -r '.tag_name // empty')
          if [ -n "$TAG_NAME" ]; then
            echo "Found latest release tag: $TAG_NAME"
            echo "tag=$TAG_NAME" >> $GITHUB_OUTPUT
            exit 0
          fi

          echo "No tag found"
          echo "tag=" >> $GITHUB_OUTPUT

      - name: Fail if no tag determined
        if: ${{ steps.tag.outputs.tag == '' }}
        run: |
          echo "ERROR: No tag determined. Provide a tag when running manually or ensure a release exists."
          exit 1

  linux-release:
    needs: prepare
    runs-on: ubuntu-latest

    steps:
      - name: Install apt deps (jq/zip + dev-libs)
        run: |
          sudo apt-get update
          sudo apt-get install -y \
            zip jq \
            libpipewire-0.3-dev \
            libclang-dev \
            libasound2-dev \
            libdbus-1-dev \
            pkg-config

      - name: Checkout code at tag
        uses: actions/checkout@v4
        with:
          ref: ${{ needs.prepare.outputs.tag }}
          fetch-depth: 0

      - name: Setup Rust toolchain
        uses: actions-rust-lang/setup-rust-toolchain@v1
        with:
          toolchain: 1.96.0

      - name: Extract all binary names
        id: cargo-meta
        run: |
          set -euo pipefail
          BIN_NAMES=$(cargo metadata --no-deps --format-version 1 \
            | jq -r '.packages[].targets[] | select(.kind[] | contains("bin")) | .name')
          echo "bin_names<<EOF" >> $GITHUB_OUTPUT
          echo "$BIN_NAMES" >> $GITHUB_OUTPUT
          echo "EOF" >> $GITHUB_OUTPUT

      - name: Build all release binaries
        run: cargo build --release --locked

      - name: Package all binaries into one archive
        shell: bash
        run: |
          set -euo pipefail
          TAG="${{ needs.prepare.outputs.tag }}"
          ARCHIVE_NAME="pwsp-${TAG}-linux-x64.zip"
          echo "Creating archive: $ARCHIVE_NAME"

          FILES=()
          while IFS= read -r BIN; do
            [ -z "$BIN" ] && continue
            FILES+=("target/release/$BIN")
          done <<< "${{ steps.cargo-meta.outputs.bin_names }}"

          if [ "${#FILES[@]}" -eq 0 ]; then
            echo "Error: no binaries were discovered via cargo metadata." >&2
            exit 1
          fi

          for f in "${FILES[@]}"; do
            if [ ! -f "$f" ]; then
              echo "Error: expected binary not found: $f" >&2
              exit 1
            fi
            echo "Will add: $f"
          done

          zip -j "$ARCHIVE_NAME" "${FILES[@]}"

      - name: Cache cargo-deb
        id: cache-cargo-deb
        uses: actions/cache@v4
        with:
          path: ~/.cargo/bin/cargo-deb
          key: ${{ runner.os }}-cargo-deb-v1

      - name: Install cargo-deb
        if: steps.cache-cargo-deb.outputs.cache-hit != 'true'
        run: cargo install --locked cargo-deb

      - name: Create .deb package (release binaries)
        shell: bash
        run: |
          set -euo pipefail
          export PATH="$HOME/.cargo/bin:$PATH"
          cargo-deb -p pwsp-gui --no-build

      - name: Upload artifacts to Release
        uses: softprops/action-gh-release@v2
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          tag_name: ${{ needs.prepare.outputs.tag }}
          files: |
            pwsp-*.zip
            target/debian/*.deb