name: Full build

on:
  push:
    branches: [main]
    tags: ["v*"]
  pull_request:
  workflow_dispatch:

jobs:
  checks:
    name: Import + headless tests
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install Godot 4.3
        run: |
          curl -sL -o /tmp/godot.zip \
            https://github.com/godotengine/godot/releases/download/4.3-stable/Godot_v4.3-stable_linux.x86_64.zip
          unzip -qo /tmp/godot.zip -d /tmp/godot-bin
          sudo install /tmp/godot-bin/Godot_v4.3-stable_linux.x86_64 /usr/local/bin/godot

      - name: Cache imported assets
        uses: actions/cache@v4
        with:
          path: .godot
          key: godot-import-${{ hashFiles('project.godot', 'src/**/*.gd', 'content/**/*.json') }}

      - name: Import project (build class cache)
        run: godot --headless --import

      - name: Run headless test suite
        shell: bash
        run: |
          set +e
          output=$(godot --headless --path . --script res://src/test/test_runner.gd 2>&1)
          status=$?
          echo "$output"
          echo "exit=$status"
          if [ "$status" -ne 0 ]; then
            echo "::error::Tests failed"
            exit 1
          fi
          if echo "$output" | grep -q "SCRIPT ERROR"; then
            echo "::error::Script errors detected"
            exit 1
          fi

  build:
    name: Full desktop build + optional release
    # Tags and manual dispatches produce installable binaries. Branch pushes and
    # pull requests only run the cheap checks job (export templates are ~1 GB).
    if: startsWith(github.ref, 'refs/tags/') || github.event_name == 'workflow_dispatch'
    runs-on: ubuntu-latest
    needs: checks
    steps:
      - uses: actions/checkout@v4

      - name: Install Godot 4.3 and export templates
        run: |
          curl -sL -o /tmp/godot.zip \
            https://github.com/godotengine/godot/releases/download/4.3-stable/Godot_v4.3-stable_linux.x86_64.zip
          unzip -qo /tmp/godot.zip -d /tmp/godot-bin
          sudo install /tmp/godot-bin/Godot_v4.3-stable_linux.x86_64 /usr/local/bin/godot
          curl -sL -o /tmp/templates.tpz \
            https://github.com/godotengine/godot/releases/download/4.3-stable/Godot_v4.3-stable_export_templates.tpz
          mkdir -p ~/.local/share/godot/export_templates/4.3.stable
          cd /tmp && rm -rf tpl && mkdir tpl && unzip -qo templates.tpz -d tpl
          cp tpl/templates/* "$HOME/.local/share/godot/export_templates/4.3.stable/" 2>/dev/null || true
          ls "$HOME/.local/share/godot/export_templates/4.3.stable" | head -5

      - name: Import project
        run: godot --headless --import

      - name: Export Linux, Windows, macOS
        run: |
          chmod +x tools/*.sh
          ./tools/build_releases.sh

      - name: Upload installers (workflow_dispatch)
        if: github.event_name == 'workflow_dispatch'
        uses: actions/upload-artifact@v4
        with:
          name: step-line-build
          path: build/*
          if-no-files-found: error

      - name: Publish Gitea release (tags only)
        if: startsWith(github.ref, 'refs/tags/')
        env:
          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
          VERSION: ${{ github.ref_name }}
        run: |
          chmod +x tools/publish_release.sh
          ./tools/publish_release.sh "${VERSION#v}"