# Release Pipeline - Build, test, version, package, release
when:
  - event: push
    branch: main

labels:
  platform: linux/amd64

clone:
  - name: clone
    image: woodpeckerci/plugin-git
    settings:
      lfs: false
      partial: false
      tags: true

steps:
  # Determine next version based on conventional commits
  - name: calculate-version
    image: alpine
    commands:
      - apk add --no-cache git
      - |
        set -e

        # Ensure we have all tags and history
        echo "=== Fetching tags and history ==="
        git fetch --tags --unshallow 2>/dev/null || git fetch --tags || true
        git fetch origin main --unshallow 2>/dev/null || git fetch origin main || true

        echo "=== Git log (last 10 commits) ==="
        git log --oneline -10

        echo "=== All tags ==="
        git tag -l

        # Get latest tag
        LATEST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "v0.0.0")
        echo "=== Latest tag: $LATEST_TAG ==="

        # Parse current version
        VERSION=$(echo "$LATEST_TAG" | sed 's/^v//')
        MAJOR=$(echo "$VERSION" | cut -d. -f1)
        MINOR=$(echo "$VERSION" | cut -d. -f2)
        PATCH=$(echo "$VERSION" | cut -d. -f3)
        echo "Current version: $MAJOR.$MINOR.$PATCH"

        # Get commits since last tag
        if [ "$LATEST_TAG" = "v0.0.0" ]; then
          COMMITS=$(git log --pretty=format:"%s" HEAD)
        else
          COMMITS=$(git log --pretty=format:"%s" "$LATEST_TAG..HEAD")
        fi

        echo "=== Commits since last tag ==="
        echo "$COMMITS"
        echo "=== End commits ==="

        # Check if COMMITS is empty
        if [ -z "$COMMITS" ]; then
          echo "No commits found since last tag"
          echo "none" > .bump-type
          exit 0
        fi

        # Determine bump type from conventional commits
        BUMP="none"

        # Check for breaking changes (major bump)
        if echo "$COMMITS" | grep -qE '^[a-z]+(\(.+\))?!:|BREAKING CHANGE:'; then
          BUMP="major"
          echo "Found breaking change commit"
        # Check for features (minor bump)
        elif echo "$COMMITS" | grep -qE '^feat(\(.+\))?:'; then
          BUMP="minor"
          echo "Found feat commit"
        # Check for fixes or other conventional commits (patch bump)
        elif echo "$COMMITS" | grep -qE '^(fix|perf|refactor|build|ci|docs|style|test)(\(.+\))?:'; then
          BUMP="patch"
          echo "Found fix/patch commit"
        fi

        echo "=== Bump type: $BUMP ==="

        # Exit if no version bump needed
        if [ "$BUMP" = "none" ]; then
          echo "No conventional commits found, skipping version bump"
          echo "none" > .bump-type
          exit 0
        fi

        # Calculate new version
        case $BUMP in
          major) MAJOR=$((MAJOR + 1)); MINOR=0; PATCH=0 ;;
          minor) MINOR=$((MINOR + 1)); PATCH=0 ;;
          patch) PATCH=$((PATCH + 1)) ;;
        esac

        NEW_VERSION="$MAJOR.$MINOR.$PATCH"
        echo "New version: $NEW_VERSION"

        # Write version files for subsequent steps
        echo "$NEW_VERSION" > .version
        echo "v$NEW_VERSION" > .tag
        echo "$BUMP" > .bump-type

        # Update version.json
        echo "{\"version\": \"$NEW_VERSION\"}" > version.json

        cat .version
        cat .tag

  # Build and test with the new version
  - name: build-and-test
    image: mcr.microsoft.com/dotnet/sdk:10.0
    commands:
      - |
        BUMP_TYPE=$(cat .bump-type)
        if [ "$BUMP_TYPE" = "none" ]; then
          echo "No version bump, building with current version"
          dotnet restore
          dotnet build -c Release
          dotnet test -c Release --logger "console;verbosity=detailed"
        else
          VERSION=$(cat .version)
          echo "Building version $VERSION"
          dotnet restore
          dotnet build -c Release /p:Version=$VERSION
          dotnet test -c Release /p:Version=$VERSION --logger "console;verbosity=detailed"
        fi
    depends_on: [calculate-version]

  # Package NuGet
  - name: package
    image: mcr.microsoft.com/dotnet/sdk:10.0
    commands:
      - |
        BUMP_TYPE=$(cat .bump-type)
        if [ "$BUMP_TYPE" = "none" ]; then
          echo "No version bump, skipping package"
          exit 0
        fi

        VERSION=$(cat .version)
        echo "Packaging version $VERSION"
        dotnet pack PaperlessMCP/PaperlessMCP.csproj -c Release -o ./artifacts /p:Version=$VERSION
        ls -la ./artifacts/
    depends_on: [build-and-test]

  # Build and push Docker with Kaniko
  - name: docker
    image: gcr.io/kaniko-project/executor:debug
    environment:
      GHCR_USERNAME:
        from_secret: github_username
      GHCR_TOKEN:
        from_secret: github_token
    commands:
      - |
        BUMP_TYPE=$(cat .bump-type)
        if [ "$BUMP_TYPE" = "none" ]; then
          echo "No version bump, skipping docker build"
          exit 0
        fi

        VERSION=$(cat .version)
        echo "Building Docker image version: $VERSION"
        mkdir -p /kaniko/.docker
        echo "{\"auths\":{\"ghcr.io\":{\"username\":\"$GHCR_USERNAME\",\"password\":\"$GHCR_TOKEN\"}}}" > /kaniko/.docker/config.json
        /kaniko/executor \
          --context="$CI_WORKSPACE/PaperlessMCP" \
          --dockerfile="$CI_WORKSPACE/PaperlessMCP/Dockerfile" \
          --destination="ghcr.io/barryw/paperlessmcp:v$VERSION" \
          --destination="ghcr.io/barryw/paperlessmcp:latest" \
          --build-arg="VERSION=$VERSION"
    depends_on: [build-and-test]

  # Commit version.json, create git tag and push
  - name: git-tag
    image: alpine/git
    environment:
      GITHUB_TOKEN:
        from_secret: github_token
    commands:
      - |
        BUMP_TYPE=$(cat .bump-type)
        if [ "$BUMP_TYPE" = "none" ]; then
          echo "No version bump, skipping git tag"
          exit 0
        fi

        TAG=$(cat .tag)
        VERSION=$(cat .version)
        echo "Creating tag $TAG for version $VERSION"

        git config user.email "ci@woodpecker.local"
        git config user.name "Woodpecker CI"
        git remote set-url origin "https://x-access-token:$GITHUB_TOKEN@github.com/barryw/PaperlessMCP.git"

        # Commit version.json update
        git add version.json
        git diff --staged --quiet || git commit -m "chore(release): bump version to $VERSION [skip ci]"
        git push origin HEAD:main

        # Create and push tag
        git tag -a "$TAG" -m "Release $VERSION"
        git push origin "$TAG"
    depends_on: [package, docker]

  # Create GitHub release
  - name: release
    image: alpine
    environment:
      GITHUB_TOKEN:
        from_secret: github_token
    commands:
      - |
        BUMP_TYPE=$(cat .bump-type)
        if [ "$BUMP_TYPE" = "none" ]; then
          echo "No version bump, skipping release"
          exit 0
        fi

        apk add --no-cache curl git

        TAG=$(cat .tag)
        VERSION=$(cat .version)
        LATEST_TAG=$(git describe --tags --abbrev=0 HEAD^ 2>/dev/null || echo "v0.0.0")

        echo "Creating GitHub release for $TAG"

        # Generate changelog from commits
        if [ "$LATEST_TAG" = "v0.0.0" ]; then
          CHANGELOG=$(git log --pretty=format:"- %s" HEAD | head -20)
        else
          CHANGELOG=$(git log --pretty=format:"- %s" "$LATEST_TAG..HEAD^" | head -20)
        fi

        # Escape JSON special characters
        CHANGELOG_JSON=$(echo "$CHANGELOG" | sed 's/\\/\\\\/g' | sed 's/"/\\"/g' | sed ':a;N;$!ba;s/\n/\\n/g')

        BODY="## What's Changed\n\n$CHANGELOG_JSON\n\n**Full Changelog**: https://github.com/barryw/PaperlessMCP/compare/$LATEST_TAG...$TAG"

        curl -X POST \
          -H "Authorization: token $GITHUB_TOKEN" \
          -H "Accept: application/vnd.github.v3+json" \
          https://api.github.com/repos/barryw/PaperlessMCP/releases \
          -d "{\"tag_name\":\"$TAG\",\"name\":\"Release $VERSION\",\"body\":\"$BODY\",\"draft\":false,\"prerelease\":false}"
    depends_on: [git-tag]

  # Deploy to Kubernetes
  - name: deploy
    image: bitnami/kubectl:latest
    commands:
      - |
        BUMP_TYPE=$(cat .bump-type)
        if [ "$BUMP_TYPE" = "none" ]; then
          echo "No version bump, skipping deploy"
          exit 0
        fi

        VERSION=$(cat .version)
        echo "Deploying version $VERSION to Kubernetes"

        # Update deployment image to specific version tag
        kubectl set image deployment/paperless-mcp \
          paperless-mcp=ghcr.io/barryw/paperlessmcp:v$VERSION \
          -n default

        # Wait for rollout to complete
        kubectl rollout status deployment/paperless-mcp -n default --timeout=120s

        echo "Deployment complete!"
    depends_on: [docker, release]