name: Build and Release

on:
  push:
    branches:
      - main
    tags:
      - "v*"
  pull_request:
  workflow_dispatch:

permissions:
  contents: write

jobs:
  build:
    runs-on: ubuntu-latest
    container:
      image: gradle:9.5.1-jdk21@sha256:b1210616becadef85acbafeeb09b44bb64f4b982f3d876e7621341125ae3c431
    strategy:
      fail-fast: false
      matrix:
        include:
          - minecraft_version: "1.21.1"
            yarn_mappings: "1.21.1+build.3"
            fabric_version: "0.116.10+1.21.1"
          - minecraft_version: "1.21.2"
            yarn_mappings: "1.21.2+build.1"
            fabric_version: "0.106.1+1.21.2"
          - minecraft_version: "1.21.3"
            yarn_mappings: "1.21.3+build.2"
            fabric_version: "0.114.1+1.21.3"
          - minecraft_version: "1.21.4"
            yarn_mappings: "1.21.4+build.8"
            fabric_version: "0.119.4+1.21.4"
          - minecraft_version: "1.21.5"
            yarn_mappings: "1.21.5+build.1"
            fabric_version: "0.128.2+1.21.5"
          - minecraft_version: "1.21.6"
            yarn_mappings: "1.21.6+build.1"
            fabric_version: "0.128.2+1.21.6"
          - minecraft_version: "1.21.7"
            yarn_mappings: "1.21.7+build.8"
            fabric_version: "0.129.0+1.21.7"
          - minecraft_version: "1.21.8"
            yarn_mappings: "1.21.8+build.1"
            fabric_version: "0.136.1+1.21.8"
          - minecraft_version: "1.21.9"
            yarn_mappings: "1.21.9+build.1"
            fabric_version: "0.134.1+1.21.9"
          - minecraft_version: "1.21.10"
            yarn_mappings: "1.21.10+build.3"
            fabric_version: "0.138.4+1.21.10"
          - minecraft_version: "1.21.11"
            yarn_mappings: "1.21.11+build.4"
            fabric_version: "0.141.3+1.21.11"
    env:
      GITEA_TOKEN: ${{ github.token }}
      GITEA_API_URL: ${{ github.server_url }}/api/v1
      GITEA_REPO_URL: ${{ github.server_url }}/${{ github.repository }}.git
    steps:
      - name: Prepare source
        shell: bash
        run: |
          set -euo pipefail

          if [ ! -f build.gradle ]; then
            git -c http.extraHeader="Authorization: token ${GITEA_TOKEN}" \
              clone --depth 1 "${GITEA_REPO_URL}" .
          fi

      - name: Build
        shell: bash
        run: |
          set -euo pipefail

          echo "Building Minecraft ${{ matrix.minecraft_version }}"
          gradle --no-daemon clean build \
            -Pminecraft_version="${{ matrix.minecraft_version }}" \
            -Pyarn_mappings="${{ matrix.yarn_mappings }}" \
            -Pfabric_version="${{ matrix.fabric_version }}"

          mkdir -p release-artifacts

          jar_path=""
          shopt -s nullglob
          for candidate in build/libs/*.jar; do
            case "$(basename "${candidate}")" in
              *-sources.jar|*-dev.jar)
                continue
                ;;
            esac

            jar_path="${candidate}"
            break
          done

          if [ -z "${jar_path}" ]; then
            echo "No build jar found for Minecraft ${{ matrix.minecraft_version }}"
            exit 1
          fi

          cp "${jar_path}" "release-artifacts/sign-leak-shield-${{ matrix.minecraft_version }}.jar"

      - name: Upload build artifact
        uses: actions/upload-artifact@v4
        with:
          name: sign-leak-shield-${{ matrix.minecraft_version }}
          path: release-artifacts/sign-leak-shield-${{ matrix.minecraft_version }}.jar
          if-no-files-found: error
          retention-days: 7

  publish:
    needs: build
    if: github.event_name != 'pull_request'
    runs-on: ubuntu-latest
    container:
      image: gradle:9.5.1-jdk21@sha256:b1210616becadef85acbafeeb09b44bb64f4b982f3d876e7621341125ae3c431
    env:
      GITEA_TOKEN: ${{ github.token }}
      GITEA_API_URL: ${{ github.server_url }}/api/v1
      GITEA_REPO: ${{ github.repository }}
      GITEA_REF_NAME: ${{ github.ref_name }}
      GITEA_SHA: ${{ github.sha }}
    steps:
      - name: Download build artifacts
        uses: actions/download-artifact@v4
        with:
          path: versioned-jars
          pattern: sign-leak-shield-*
          merge-multiple: true

      - name: Publish Gitea release
        shell: bash
        run: |
          set -euo pipefail

          shopt -s nullglob
          jar_paths=(versioned-jars/*.jar)
          if [ "${#jar_paths[@]}" -eq 0 ]; then
            echo "No build artifacts were downloaded"
            exit 1
          fi

          if [[ "${GITHUB_REF}" == refs/tags/* ]]; then
            release_tag="${GITEA_REF_NAME}"
            release_name="${GITEA_REF_NAME}"
            prerelease=false
          else
            release_tag="build-${GITEA_SHA:0:7}"
            release_name="build-${GITEA_SHA:0:7}"
            prerelease=false
          fi

          release_payload="$(printf '{"tag_name":"%s","name":"%s","body":"Automated parallel build for Minecraft 1.21.1 through 1.21.11.","draft":false,"prerelease":%s}' \
            "${release_tag}" "${release_name}" "${prerelease}")"

          release_json="$(curl -fsS \
            -H "Authorization: token ${GITEA_TOKEN}" \
            -H "Content-Type: application/json" \
            -d "${release_payload}" \
            "${GITEA_API_URL}/repos/${GITEA_REPO}/releases")"

          release_id="$(printf '%s' "${release_json}" | sed -n 's/.*"id":[[:space:]]*\([0-9][0-9]*\).*/\1/p' | head -n 1)"
          if [ -z "${release_id}" ]; then
            echo "Failed to parse release ID from response:"
            printf '%s\n' "${release_json}"
            exit 1
          fi

          for jar_path in "${jar_paths[@]}"; do
            curl -fsS \
              -H "Authorization: token ${GITEA_TOKEN}" \
              -H "Content-Type: multipart/form-data" \
              -F "attachment=@${jar_path}" \
              "${GITEA_API_URL}/repos/${GITEA_REPO}/releases/${release_id}/assets?name=$(basename "${jar_path}")"
          done