name: CI

# Required repo secret: PACKAGES_TOKEN
# Generate at: Gitea → User Settings → Applications → Generate New Token
# Scopes: read:package, write:package
# Save as: Repository → Settings → Actions → Secrets → PACKAGES_TOKEN
# Note: GITHUB_TOKEN is read-only for packages in Gitea (issue #23642).

on:
  push:
    branches: ["**"]
  pull_request:
    branches: ["master"]

env:
  GO_VERSION: "1.25"

jobs:
  lint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-go@v5
        with:
          go-version: ${{ env.GO_VERSION }}

      - name: Cache Go modules
        uses: actions/cache@v4
        with:
          path: |
            ~/go/pkg/mod
            ~/.cache/go-build
          key: go-lint-${{ runner.os }}-${{ hashFiles('go.sum') }}
          restore-keys: |
            go-lint-${{ runner.os }}-

      - name: Download Go modules
        run: go mod download

      - name: go vet
        run: go vet ./...

      - name: gofmt check
        run: |
          fmt=$(gofmt -l .)
          if [ -n "$fmt" ]; then
            echo "Files needing formatting:"
            echo "$fmt"
            exit 1
          fi

  test:
    runs-on: ubuntu-latest
    needs: lint
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-go@v5
        with:
          go-version: ${{ env.GO_VERSION }}

      - name: Cache Go modules and build cache
        uses: actions/cache@v4
        with:
          path: |
            ~/go/pkg/mod
            ~/.cache/go-build
          key: go-test-${{ runner.os }}-${{ hashFiles('go.sum') }}
          restore-keys: |
            go-test-${{ runner.os }}-

      - name: Download Go modules
        run: go mod download

      - name: Run tests
        run: go test ./... -v -race -cover

  build:
    runs-on: ubuntu-latest
    needs: test
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-go@v5
        with:
          go-version: ${{ env.GO_VERSION }}

      - name: Cache Go modules and build cache
        uses: actions/cache@v4
        with:
          path: |
            ~/go/pkg/mod
            ~/.cache/go-build
          key: go-build-${{ runner.os }}-${{ hashFiles('go.sum') }}
          restore-keys: |
            go-build-${{ runner.os }}-

      - name: Download Go modules
        run: go mod download

      - name: Build binary
        run: go build -o mrixscraft-server ./cmd/server

  docker:
    runs-on: ubuntu-latest
    needs: build
    if: github.ref_name == 'master'
    permissions:
      packages: write
      contents: read
    steps:
      - uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Login to Gitea Registry
        uses: docker/login-action@v3
        with:
          registry: gitea.mrixs.me
          username: ${{ gitea.repository_owner }}
          password: ${{ secrets.PACKAGES_TOKEN }}

      - name: Build and push
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: |
            gitea.mrixs.me/mrixs/mrixscraft-server:latest
            gitea.mrixs.me/mrixs/mrixscraft-server:${{ github.sha }}
          cache-from: type=registry,ref=gitea.mrixs.me/mrixs/mrixscraft-server:buildcache
          cache-to: type=registry,ref=gitea.mrixs.me/mrixs/mrixscraft-server:buildcache,mode=max