"""
Git Workflow Automator Agent

Automates Git workflows including branch management, pull requests,
releases, and commit conventions.
"""

from typing import Any, Dict, List
from agents.base import BaseAgent


class GitWorkflowAutomatorAgent(BaseAgent):
    """
    Automates Git workflows and operations.

    Features:
    - Branch management
    - Pull request automation
    - Conventional commits
    - Changelog generation
    - Release automation
    - Git hooks
    """

    def __init__(self):
        super().__init__(
            name='git-workflow-automator',
            description='Automate Git workflows and operations',
            category='engineering',
            version='1.0.0',
            tags=['git', 'workflow', 'automation', 'version-control']
        )

    async def execute(self, params: Dict[str, Any]) -> Dict[str, Any]:
        """
        Automate Git workflow.

        Args:
            params: {
                'repository_path': str,
                'workflow_type': 'branch|pr|release|commit|hooks',
                'action': str,           # Specific action to perform
                'options': {
                    'branch_pattern': str,
                    'commit_convention': 'conventional|custom',
                    'auto_merge': bool,
                    'create_changelog': bool,
                    'tag_version': bool
                }
            }

        Returns:
            {
                'status': 'success|failed',
                'workflow_executed': str,
                'actions_performed': List[str],
                'files_affected': List[str],
                'next_steps': List[str]
            }
        """
        repository_path = params.get('repository_path')
        workflow_type = params.get('workflow_type', 'branch')
        action = params.get('action')
        options = params.get('options', {})

        self.logger.info(
            f"Executing {workflow_type} workflow: {action}"
        )

        # Mock workflow execution
        actions_performed = []
        files_affected = []

        if workflow_type == 'branch':
            actions_performed = [
                'Created feature branch from main',
                'Applied branch protection rules',
                'Set up tracking with remote',
                'Configured branch policies'
            ]
            branch_name = f"feature/{action}" if action else 'feature/new-feature'
            files_affected = ['.git/config', '.git/refs/heads/*']

        elif workflow_type == 'pr':
            actions_performed = [
                'Created pull request',
                'Added reviewers automatically',
                'Applied PR labels',
                'Linked related issues',
                'Ran automated checks',
                'Generated PR description from commits'
            ]
            files_affected = ['.github/pull_request_template.md']

        elif workflow_type == 'release':
            actions_performed = [
                'Generated changelog from commits',
                'Updated version numbers',
                'Created release tag',
                'Built release artifacts',
                'Generated release notes',
                'Published release'
            ]
            files_affected = [
                'CHANGELOG.md',
                'package.json',
                'version.py',
                '.git/refs/tags/*'
            ]

        elif workflow_type == 'commit':
            actions_performed = [
                'Validated commit message format',
                'Generated conventional commit message',
                'Added issue references',
                'Ran pre-commit hooks',
                'Verified commit signature'
            ]
            files_affected = ['.git/COMMIT_EDITMSG', '.git/hooks/pre-commit']

        elif workflow_type == 'hooks':
            actions_performed = [
                'Installed pre-commit hooks',
                'Installed pre-push hooks',
                'Configured commit-msg hook',
                'Set up husky',
                'Configured lint-staged'
            ]
            files_affected = [
                '.git/hooks/pre-commit',
                '.git/hooks/pre-push',
                '.git/hooks/commit-msg',
                '.husky/pre-commit',
                'package.json'
            ]

        workflow_results = {
            'branch': {
                'branch_created': 'feature/user-authentication',
                'base_branch': 'main',
                'protection_rules': ['require PR', 'require reviews', 'require CI']
            },
            'pr': {
                'pr_number': 42,
                'pr_url': 'https://github.com/org/repo/pull/42',
                'reviewers': ['john', 'jane'],
                'labels': ['feature', 'needs-review'],
                'checks_status': 'pending'
            },
            'release': {
                'version': '1.2.0',
                'tag': 'v1.2.0',
                'changelog_entries': 12,
                'commits_included': 34,
                'release_url': 'https://github.com/org/repo/releases/tag/v1.2.0'
            },
            'commit': {
                'commit_hash': 'abc123def456',
                'commit_message': 'feat(auth): add user authentication',
                'conventional': True,
                'signed': True
            },
            'hooks': {
                'pre_commit': 'configured',
                'pre_push': 'configured',
                'commit_msg': 'configured',
                'tools_installed': ['husky', 'lint-staged']
            }
        }

        return {
            'status': 'success',
            'repository_path': repository_path,
            'workflow_type': workflow_type,
            'workflow_executed': action or workflow_type,
            'actions_performed': actions_performed,
            'total_actions': len(actions_performed),
            'files_affected': files_affected,
            'workflow_results': workflow_results.get(workflow_type, {}),
            'git_status': {
                'current_branch': 'feature/user-authentication',
                'ahead': 3,
                'behind': 0,
                'staged': 5,
                'modified': 2,
                'untracked': 1
            },
            'automation_features': {
                'auto_merge': options.get('auto_merge', False),
                'create_changelog': options.get('create_changelog', True),
                'tag_version': options.get('tag_version', True),
                'conventional_commits': options.get('commit_convention') == 'conventional',
                'branch_protection': True,
                'automated_reviews': True
            },
            'commit_statistics': {
                'total_commits': 234,
                'commits_today': 5,
                'commits_this_week': 34,
                'average_commits_per_day': 4.2,
                'top_contributors': [
                    {'name': 'John Doe', 'commits': 89},
                    {'name': 'Jane Smith', 'commits': 67}
                ]
            },
            'branch_information': {
                'total_branches': 12,
                'active_branches': 5,
                'stale_branches': 3,
                'merged_branches': 4,
                'branch_pattern': options.get('branch_pattern', 'feature/*')
            },
            'recommendations': [
                'Use conventional commit format for better changelog generation',
                'Set up branch protection rules',
                'Configure automated PR checks',
                'Use semantic versioning for releases',
                'Clean up stale branches regularly',
                'Enable GPG signing for commits',
                'Set up automated dependency updates',
                'Configure merge strategies'
            ],
            'next_steps': [
                'Review and merge pull request' if workflow_type == 'pr' else None,
                'Test release artifacts' if workflow_type == 'release' else None,
                'Update documentation',
                'Notify team members',
                'Monitor CI/CD pipeline',
                'Schedule next release'
            ]
        }

    def validate_params(self, params: Dict[str, Any]) -> bool:
        """Validate Git workflow parameters."""
        if 'repository_path' not in params:
            self.logger.error("Missing required field: repository_path")
            return False

        valid_workflows = ['branch', 'pr', 'release', 'commit', 'hooks']
        workflow_type = params.get('workflow_type', 'branch')

        if workflow_type not in valid_workflows:
            self.logger.error(f"Invalid workflow type: {workflow_type}")
            return False

        return True
