action.yml

name: 'AI Commit Message Generator'
description: 'Automatically generate or improve git commit messages using AI (powered by aicommit)'
author: 'suenot'

branding:
  icon: 'git-commit'
  color: 'purple'

inputs:
  api_key:
    description: 'OpenRouter API key for AI model access'
    required: true
  provider:
    description: 'AI provider to use (openrouter, simple-free, ollama, openai-compatible)'
    required: false
    default: 'simple-free'
  model:
    description: 'Specific model to use (optional, provider will auto-select if not specified)'
    required: false
  mode:
    description: 'Operating mode: generate (generate message for staged changes) or analyze (analyze push commits)'
    required: false
    default: 'generate'
  output_format:
    description: 'Output format: text, json, or github'
    required: false
    default: 'github'
  max_tokens:
    description: 'Maximum tokens for response'
    required: false
    default: '200'
  temperature:
    description: 'Temperature for generation (0.0-1.0)'
    required: false
    default: '0.2'
  diff_file:
    description: 'Path to a file containing the diff (optional)'
    required: false

outputs:
  commit_message:
    description: 'Generated commit message'
  model_used:
    description: 'AI model that was used for generation'
  input_tokens:
    description: 'Number of input tokens used'
  output_tokens:
    description: 'Number of output tokens generated'
  total_cost:
    description: 'Total cost of the API call'
  success:
    description: 'Whether the generation was successful'
  error:
    description: 'Error message if generation failed'

runs:
  using: 'composite'
  steps:
    - name: Setup Node.js
      uses: actions/setup-node@v4
      with:
        node-version: '20'

    - name: Install aicommit
      shell: bash
      run: npm install -g @suenot/aicommit

    - name: Generate commit message (staged changes)
      if: ${{ inputs.mode == 'generate' }}
      shell: bash
      env:
        OPENROUTER_API_KEY: ${{ inputs.api_key }}
        AICOMMIT_PROVIDER: ${{ inputs.provider }}
        AICOMMIT_MODEL: ${{ inputs.model }}
      run: |
        ARGS="--github-action --output-format=${{ inputs.output_format }}"
        ARGS="$ARGS --max-tokens=${{ inputs.max_tokens }}"
        ARGS="$ARGS --temperature=${{ inputs.temperature }}"

        if [ -n "${{ inputs.diff_file }}" ]; then
          ARGS="$ARGS --input-diff=${{ inputs.diff_file }}"
        fi

        if [ -n "${{ inputs.model }}" ]; then
          ARGS="$ARGS --model=${{ inputs.model }}"
        fi

        if [ -n "${{ inputs.provider }}" ]; then
          ARGS="$ARGS --provider=${{ inputs.provider }}"
        fi

        aicommit $ARGS

    - name: Analyze commits (push event)
      if: ${{ inputs.mode == 'analyze' }}
      shell: bash
      env:
        OPENROUTER_API_KEY: ${{ inputs.api_key }}
        AICOMMIT_PROVIDER: ${{ inputs.provider }}
        AICOMMIT_MODEL: ${{ inputs.model }}
      run: |
        ARGS="--github-action --analyze-commits --output-format=${{ inputs.output_format }}"
        ARGS="$ARGS --max-tokens=${{ inputs.max_tokens }}"
        ARGS="$ARGS --temperature=${{ inputs.temperature }}"

        if [ -n "${{ inputs.model }}" ]; then
          ARGS="$ARGS --model=${{ inputs.model }}"
        fi

        if [ -n "${{ inputs.provider }}" ]; then
          ARGS="$ARGS --provider=${{ inputs.provider }}"
        fi

        aicommit $ARGS