name: Release

on:
  push:
    branches:
      - main

jobs:
  release:
    runs-on: ubuntu-latest
    outputs:
      release: ${{ steps.releasable.outputs.release }}
      release_id: ${{ steps.create_release.outputs.release_id }}
      version: ${{ steps.next_version.outputs.version }}
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
          token: ${{ secrets.CI_TOKEN }}

      - name: Install Nix
        uses: cachix/install-nix-action@v31
        with:
          nix_path: nixpkgs=channel:nixos-unstable

      - name: Set up cachix
        uses: cachix/cachix-action@v17
        with:
          name: phundrak
          authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"

      - name: Check for releasable commits
        id: releasable
        run: |
          COUNT=$(nix develop --no-pure-eval --accept-flake-config --command just cliff-count)
          if [ "$COUNT" -gt 0 ]; then
            echo "release=true" >> $GITHUB_OUTPUT
          else
            echo "release=false" >> $GITHUB_OUTPUT
          fi

      - name: Determine next version
        if: steps.releasable.outputs.release == 'true'
        id: next_version
        run: |
          CLIFF_NEXT_VERSION=$(nix develop --no-pure-eval --accept-flake-config --command just cliff-next-version)
          echo "version=$CLIFF_NEXT_VERSION" >> $GITHUB_OUTPUT

      - name: Update changelog
        if: steps.releasable.outputs.release == 'true'
        shell: bash -c "nix develop --no-pure-eval --accept-flake-config --command {0}"
        run: just cliff-bump

      - name: Create release commit
        if: steps.releasable.outputs.release == 'true'
        env:
          VERSION: ${{ steps.next_version.outputs.version }}
        shell: bash -c "nix develop --no-pure-eval --accept-flake-config --command {0}"
        run: just commit-release $VERSION

      - name: Create version tag
        if: steps.releasable.outputs.release == 'true'
        env:
          VERSION: ${{ steps.next_version.outputs.version }}
        shell: bash -c "nix develop --no-pure-eval --accept-flake-config --command {0}"
        run: just create-release-tag $VERSION

      - name: Create Gitea release
        if: steps.releasable.outputs.release == 'true'
        id: create_release
        env:
          VERSION: ${{ steps.next_version.outputs.version }}
          CI_TOKEN: ${{ secrets.CI_TOKEN }}
        shell: bash -c "nix develop --no-pure-eval --accept-flake-config --command {0}"
        run: |
          RESPONSE=$(curl -s -X POST \
            -H "Authorization: token $CI_TOKEN" \
            -H "Content-Type: application/json" \
            "${{ gitea.server_url }}/api/v1/repos/${{ gitea.repository }}/releases" \
            -d "{\"tag_name\": \"v${VERSION}\", \"name\": \"v${VERSION}\"}")
          echo "release_id=$(echo "$RESPONSE" | jq -r '.id')" >> $GITHUB_OUTPUT

      - name: Publish on crates.io
        if: steps.releasable.outputs.release == 'true'
        env:
          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}
        shell: bash -c "nix develop --no-pure-eval --accept-flake-config --command {0}"
        run: cargo publish

      - name: Rebase develop onto main
        if: steps.releasable.outputs.release == 'true'
        shell: bash -c "nix develop --no-pure-eval --accept-flake-config --command {0}"
        run: just rebase-develop

      - name: Bump to next dev version
        if: steps.releasable.outputs.release == 'true'
        env:
          VERSION: ${{ steps.next_version.outputs.version }}
        shell: bash -c "nix develop --no-pure-eval --accept-flake-config --command {0}"
        run: just update-develop-version $VERSION

  build:
    needs: release
    if: needs.release.outputs.release == 'true'
    strategy:
      matrix:
        target: ["linux-x86_64", "linux-aarch64", "windows-x86_64"]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install Nix
        uses: cachix/install-nix-action@v31
        with:
          nix_path: nixpkgs=channel:nixos-unstable

      - name: Set up cachix
        uses: cachix/cachix-action@v17
        with:
          name: phundrak
          authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"

      - name: Build jj-cz archive
        run: nix build .#${{ matrix.target }}-archive

      - name: Upload release asset
        env:
          CI_TOKEN: ${{ secrets.CI_TOKEN }}
          RELEASE_ID: ${{ needs.release.outputs.release_id }}
        run: |
          curl -s -X POST \
            -H "Authorization: token $CI_TOKEN" \
            -F "attachment=@$(ls result/dist/*.zip)" \
            "${{ gitea.server_url }}/api/v1/repos/${{ gitea.repository }}/releases/${RELEASE_ID}/assets"