name: Build and Push Docker Image

on:
  push:
    branches:
      - main
    tags:
      - '*'
  workflow_dispatch:

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    container:
      image: docker:24-dind
      options: --privileged
    steps:
      - name: Install dependencies
        run: apk add --no-cache git bash

      - name: Checkout code
        uses: actions/checkout@v4

      - name: Determine image tags
        id: tags
        run: |
          REGISTRY="gitea.leeworks.dev"
          REPO_OWNER="${{ gitea.repository_owner }}"
          REPO_NAME="${{ gitea.repository }}"

          # Extract repository name without owner
          REPO_NAME_ONLY=$(echo "$REPO_NAME" | cut -d'/' -f2)

          # Convert to lowercase for Docker registry compatibility
          REPO_OWNER_LOWER=$(echo "$REPO_OWNER" | tr '[:upper:]' '[:lower:]')
          REPO_NAME_LOWER=$(echo "$REPO_NAME_ONLY" | tr '[:upper:]' '[:lower:]')

          # Base image path
          IMAGE_BASE="${REGISTRY}/${REPO_OWNER_LOWER}/${REPO_NAME_LOWER}"

          # Determine tag based on ref
          if [[ "${{ gitea.ref }}" == refs/tags/* ]]; then
            # Tag push - use the tag name
            TAG_NAME="${{ gitea.ref_name }}"
            echo "IMAGE_TAG=${IMAGE_BASE}:${TAG_NAME}" >> $GITHUB_OUTPUT
            echo "PUSH_LATEST=true" >> $GITHUB_OUTPUT
          elif [[ "${{ gitea.ref_name }}" == "main" ]]; then
            # Main branch - use commit SHA (shortened to 7 chars) and latest
            SHORT_SHA=$(echo "${{ gitea.sha }}" | cut -c1-7)
            echo "IMAGE_TAG=${IMAGE_BASE}:${SHORT_SHA}" >> $GITHUB_OUTPUT
            echo "PUSH_LATEST=true" >> $GITHUB_OUTPUT
          else
            # Other branches - use branch name
            BRANCH_TAG=$(echo "${{ gitea.ref_name }}" | sed 's/\//-/g')
            echo "IMAGE_TAG=${IMAGE_BASE}:${BRANCH_TAG}" >> $GITHUB_OUTPUT
            echo "PUSH_LATEST=false" >> $GITHUB_OUTPUT
          fi

          echo "IMAGE_LATEST=${IMAGE_BASE}:latest" >> $GITHUB_OUTPUT

      - name: Log in to Gitea Container Registry
        run: |
          echo "${{ secrets.PERSONAL_TOKEN }}" | docker login gitea.leeworks.dev -u "${{ gitea.actor }}" --password-stdin

      - name: Build Docker image
        run: |
          echo "Building Docker image..."
          if [[ "${{ steps.tags.outputs.PUSH_LATEST }}" == "true" ]]; then
            docker build -t ${{ steps.tags.outputs.IMAGE_TAG }} -t ${{ steps.tags.outputs.IMAGE_LATEST }} .
          else
            docker build -t ${{ steps.tags.outputs.IMAGE_TAG }} .
          fi

      - name: Push Docker image
        run: |
          echo "Pushing Docker image to registry..."
          docker push ${{ steps.tags.outputs.IMAGE_TAG }}

          if [[ "${{ steps.tags.outputs.PUSH_LATEST }}" == "true" ]]; then
            echo "Pushing latest tag..."
            docker push ${{ steps.tags.outputs.IMAGE_LATEST }}
          fi

          echo "Build and push completed successfully!"
          echo "Image available at ${{ steps.tags.outputs.IMAGE_TAG }}"