name: CI

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

env:
  NTFY_URL: http://ntfy.observability.svc.cluster.local:80
  REGISTRY: gitea-http.gitea.svc.cluster.local:3000/daviestechlabs
  REGISTRY_HOST: gitea-http.gitea.svc.cluster.local:3000
  IMAGE_NAME: ntfy-discord

jobs:
  lint:
    name: Lint
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version-file: go.mod
          cache: true

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

      - name: Install golangci-lint
        run: |
          curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/HEAD/install.sh | sh -s -- -b "$(go env GOPATH)/bin"
          echo "$(go env GOPATH)/bin" >> $GITHUB_PATH

      - name: Run golangci-lint
        run: golangci-lint run ./...

  test:
    name: Test
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version-file: go.mod
          cache: true

      - name: Verify dependencies
        run: go mod verify

      - name: Build
        run: go build -v ./...

      - name: Run tests
        run: go test -v -race -coverprofile=coverage.out -covermode=atomic ./...

  release:
    name: Release
    runs-on: ubuntu-latest
    needs: [lint, test]
    if: gitea.ref == 'refs/heads/main' && gitea.event_name == 'push'
    outputs:
      version: ${{ steps.version.outputs.version }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Determine version bump
        id: version
        run: |
          # Get latest tag or default to v0.0.0
          LATEST=$(git describe --tags --abbrev=0 2>/dev/null || echo "v0.0.0")
          VERSION=${LATEST#v}
          IFS='.' read -r MAJOR MINOR PATCH <<< "$VERSION"

          # Check commit message for keywords
          MSG="${{ gitea.event.head_commit.message }}"
          if echo "$MSG" | grep -qiE "^major:|BREAKING CHANGE"; then
            MAJOR=$((MAJOR + 1)); MINOR=0; PATCH=0
            BUMP="major"
          elif echo "$MSG" | grep -qiE "^(minor:|feat:)"; then
            MINOR=$((MINOR + 1)); PATCH=0
            BUMP="minor"
          else
            PATCH=$((PATCH + 1))
            BUMP="patch"
          fi

          NEW_VERSION="v${MAJOR}.${MINOR}.${PATCH}"
          echo "version=$NEW_VERSION" >> $GITHUB_OUTPUT
          echo "bump=$BUMP" >> $GITHUB_OUTPUT
          echo "Bumping $LATEST → $NEW_VERSION ($BUMP)"

      - name: Create and push tag
        run: |
          git config user.name "gitea-actions[bot]"
          git config user.email "actions@git.daviestechlabs.io"
          git tag -a ${{ steps.version.outputs.version }} -m "Release ${{ steps.version.outputs.version }}"
          git push origin ${{ steps.version.outputs.version }}

  docker:
    name: Docker Build & Push
    runs-on: ubuntu-latest
    needs: [lint, test, release]
    if: gitea.ref == 'refs/heads/main' && gitea.event_name == 'push'
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Configure insecure registry
        run: |
          sudo mkdir -p /etc/docker
          echo '{"insecure-registries": ["${{ env.REGISTRY_HOST }}"]}' | sudo tee /etc/docker/daemon.json
          sudo kill -SIGHUP "$(pidof dockerd)" || true
          sleep 3

      - name: Login to Gitea Registry
        run: echo "${{ secrets.REGISTRY_TOKEN }}" | docker login "${{ env.REGISTRY_HOST }}" -u "${{ secrets.REGISTRY_USER }}" --password-stdin

      - name: Login to Docker Hub
        if: vars.DOCKERHUB_USERNAME != ''
        run: echo "${{ secrets.DOCKERHUB_TOKEN }}" | docker login -u "${{ vars.DOCKERHUB_USERNAME }}" --password-stdin

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=semver,pattern={{version}},value=${{ needs.release.outputs.version }}
            type=semver,pattern={{major}}.{{minor}},value=${{ needs.release.outputs.version }}
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Build and push
        run: |
          # Build with all tags
          TAGS=""
          while IFS= read -r tag; do
            [ -n "$tag" ] && TAGS="$TAGS -t $tag"
          done <<< "${{ steps.meta.outputs.tags }}"
          docker build $TAGS \
            --label "org.opencontainers.image.source=${{ gitea.server_url }}/${{ gitea.repository }}" \
            --label "org.opencontainers.image.revision=${{ gitea.sha }}" \
            .
          # Push each tag
          while IFS= read -r tag; do
            [ -n "$tag" ] && docker push "$tag"
          done <<< "${{ steps.meta.outputs.tags }}"


  notify:
    name: Notify
    runs-on: ubuntu-latest
    needs: [lint, test, release, docker]
    if: always()
    steps:
      - name: Notify on success
        if: needs.lint.result == 'success' && needs.test.result == 'success'
        run: |
          curl -s \
            -H "Title: ✅ CI Passed: ${{ gitea.repository }}" \
            -H "Priority: default" \
            -H "Tags: white_check_mark,github" \
            -H "Click: ${{ gitea.server_url }}/${{ gitea.repository }}/actions/runs/${{ gitea.run_id }}" \
            -d "Branch: ${{ gitea.ref_name }}
          Commit: ${{ gitea.event.head_commit.message || gitea.sha }}
          Release: ${{ needs.release.result == 'success' && needs.release.outputs.version || 'skipped' }}
          Docker: ${{ needs.docker.result }}" \
            ${{ env.NTFY_URL }}/gitea-ci

      - name: Notify on failure
        if: needs.lint.result == 'failure' || needs.test.result == 'failure'
        run: |
          curl -s \
            -H "Title: ❌ CI Failed: ${{ gitea.repository }}" \
            -H "Priority: high" \
            -H "Tags: x,github" \
            -H "Click: ${{ gitea.server_url }}/${{ gitea.repository }}/actions/runs/${{ gitea.run_id }}" \
            -d "Branch: ${{ gitea.ref_name }}
          Commit: ${{ gitea.event.head_commit.message || gitea.sha }}
          Lint: ${{ needs.lint.result }}
          Test: ${{ needs.test.result }}" \
            ${{ env.NTFY_URL }}/gitea-ci