name: Main
on:
  push:
    branches: [master]
  pull_request:
  workflow_dispatch:
  workflow_run:
    types:
      - completed
    workflows:
      - "Update WIT"

permissions:
  contents: read

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

jobs:
  main:
    name: Build API and verify consumer
    if: github.event_name != 'workflow_run' || github.event.workflow_run.conclusion == 'success'
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          submodules: true

      - name: Set temporary build paths
        run: |
          echo "PUMPKIN_CI_REPOSITORY=$RUNNER_TEMP/pumpkin-maven" >> "$GITHUB_ENV"
          echo "PUMPKIN_CI_CONSUMER=$RUNNER_TEMP/pumpkin-consumer" >> "$GITHUB_ENV"

      - name: Set up Java/Kotlin
        uses: actions/setup-java@v6
        with:
          distribution: temurin
          java-version: "25"

      - name: Set up Gradle
        uses: gradle/actions/setup-gradle@v6
        with:
          # PRs reuse the default-branch cache without updating it.
          cache-read-only: ${{ github.ref != format('refs/heads/{0}', github.event.repository.default_branch) }}

      - name: Prepare consumer fixture
        run: bash .github/scripts/prepare-consumer.sh

      - name: Cache binding generator
        uses: actions/cache@v6
        with:
          path: api/tools
          # GitHub scopes writes by ref; the hash prevents reuse after tool configuration changes.
          key: ${{ runner.os }}-${{ runner.arch }}-wit-bindgen-${{ hashFiles('api/build.gradle.kts') }}

      - name: Cache consumer tools
        id: consumer-tools
        uses: actions/cache@v6
        with:
          path: ${{ env.PUMPKIN_CI_CONSUMER }}/build/tools
          key: ${{ runner.os }}-${{ runner.arch }}-consumer-tools-${{ hashFiles('gradle-plugin/src/main/kotlin/io/github/pumpkinmc/gradle/PumpkinPlugin.kt') }}

      - name: Check and publish development packages
        run: |
          ./gradlew :api:build :gradle-plugin:build :api:publishToMavenLocal :gradle-plugin:publishToMavenLocal \
            -Dmaven.repo.local="$PUMPKIN_CI_REPOSITORY" --build-cache --no-daemon

      - name: Build and validate consumer component
        env:
          CONSUMER_TOOLS_CACHE_HIT: ${{ steps.consumer-tools.outputs.cache-hit }}
        run: |
          args=()
          # The installer will download again on a fresh runner otherwise
          if [[ "$CONSUMER_TOOLS_CACHE_HIT" == "true" ]]; then
            args+=(--exclude-task installWasmTools)
          fi
          ./gradlew -p "$PUMPKIN_CI_CONSUMER" build --build-cache --no-daemon "${args[@]}"