name: 'Setup Kaniko'
description: 'Configures Docker credentials for Kaniko in Forgejo Actions'
inputs:
  registry:
    description: 'The container registry to authenticate with'
    required: false
    default: 'git.qcampos.fr'
  username:
    description: 'Username for the registry'
    required: false
    default: '${{ github.actor }}'
  password:
    description: 'Password/Token for the registry'
    required: false
    default: '${{ github.token }}'
runs:
  using: 'composite'
  steps:
    - name: Create Docker Config
      shell: bash
      run: |
        WORKSPACE_PATH="${{ github.workspace }}"
        mkdir -p "$WORKSPACE_PATH/.docker"
        
        # Generate the auth string (username:password in base64)
        AUTH_STRING=$(printf '%s:%s' "${{ inputs.username }}" "${{ inputs.password }}" | base64 | tr -d '\n')
        
        # Write the config.json file
        printf '{"auths":{"%s":{"auth":"%s"}}}' "${{ inputs.registry }}" "$AUTH_STRING" > "$WORKSPACE_PATH/.docker/config.json"
        
        # Export DOCKER_CONFIG for subsequent steps
        echo "DOCKER_CONFIG=$WORKSPACE_PATH/.docker" >> $GITHUB_ENV
        
        echo "Successfully configured Kaniko authentication for ${{ inputs.registry }}"