#!/usr/bin/env python3
"""
Check status of CreativeX preflight requests

Usage:
    python check_status.py
    python check_status.py --file file.mp4
    python check_status.py --poll --interval 30
    python check_status.py --summary
"""

import argparse
import sys
import time
from pathlib import Path
from datetime import datetime

# Add parent directory to path
sys.path.insert(0, str(Path(__file__).parent.parent))

from config import load_config
from core.api_client import CreativeXAPIClient, APIError
from utils.state_manager import StateManager
from utils.logger import setup_logger


class StatusChecker:
    """Monitor preflight status and retrieve results"""

    def __init__(self, config):
        """Initialize status checker"""
        self.config = config

        # Setup logger
        self.logger = setup_logger(
            __name__,
            log_dir=config.logs_dir,
            log_level=config.log_level
        )

        # Initialize components
        self.api_client = CreativeXAPIClient(
            config.api_base_url,
            config.access_token,
            config.api_max_retries,
            config.api_timeout
        )
        self.state_manager = StateManager(config.state_file)

    def check_status(self, filename: str) -> dict:
        """
        Check status of single upload

        Args:
            filename: Filename to check

        Returns:
            dict: Current status data
        """
        upload = self.state_manager.get_upload(filename)
        if not upload:
            raise ValueError(f"Upload not found: {filename}")

        request_id = upload.get('request_id')
        if not request_id:
            raise ValueError(f"No request_id for {filename}")

        self.logger.info(f"Checking status: {filename}")

        try:
            response = self.api_client.get_preflight_status(request_id)

            # Update state
            status = response.get('status', 'unknown')

            if status == 'completed':
                self.state_manager.update_status(
                    filename,
                    StateManager.STATUS_COMPLETED,
                    results=response,
                    completed_at=datetime.now().isoformat()
                )
                self.logger.info(f"  ✓ Completed")
            elif status in ['processing', 'pending']:
                self.state_manager.update_status(
                    filename,
                    StateManager.STATUS_PROCESSING,
                    results=response
                )
                self.logger.info(f"  ⟳ Processing")
            elif status == 'error':
                # Extract error details
                error_msg = response.get('error', response.get('errors', 'Unknown error'))
                self.logger.error(f"  ✗ Error: {error_msg}")
                self.state_manager.mark_failed(filename, str(error_msg))
                # Print full response for debugging
                print(f"\nFull error response:")
                import json
                print(json.dumps(response, indent=2))
            else:
                self.logger.info(f"  Status: {status}")

            return response

        except APIError as e:
            self.logger.error(f"  ✗ Error: {e}")
            return {'error': str(e)}

    def check_all_processing(self) -> dict:
        """
        Check status of all uploads with status: processing or preflight_created

        Returns:
            dict: Summary of status changes
        """
        processing = self.state_manager.get_uploads_by_status(StateManager.STATUS_PROCESSING)
        preflight_created = self.state_manager.get_uploads_by_status(StateManager.STATUS_PREFLIGHT_CREATED)

        all_uploads = processing + preflight_created

        if not all_uploads:
            self.logger.info("No uploads in processing state")
            return {'checked': 0, 'completed': 0, 'processing': 0}

        self.logger.info(f"\nChecking {len(all_uploads)} uploads...")
        self.logger.info("-" * 60)

        summary = {'checked': 0, 'completed': 0, 'processing': 0, 'errors': 0}

        for upload in all_uploads:
            filename = upload['filename']
            summary['checked'] += 1

            try:
                result = self.check_status(filename)

                if result.get('status') == 'completed':
                    summary['completed'] += 1
                elif result.get('status') in ['processing', 'pending']:
                    summary['processing'] += 1
                elif 'error' in result:
                    summary['errors'] += 1

            except Exception as e:
                self.logger.error(f"Error checking {filename}: {e}")
                summary['errors'] += 1

        return summary

    def print_detailed_results(self, upload: dict) -> None:
        """
        Print detailed score breakdown for an upload

        Args:
            upload: Upload dict with results
        """
        filename = upload['filename']
        results = upload.get('results', {})

        print("\n" + "=" * 70)
        print(f"📊 {filename}")
        print("=" * 70)

        if not results or 'creatives' not in results or not results['creatives']:
            print("No results available")
            return

        creative = results['creatives'][0]

        # Basic info
        print(f"\n📍 Basic Info:")
        print(f"  Request ID:     {results.get('request_id', 'N/A')}")
        print(f"  Brand:          {results.get('brand', {}).get('name', 'N/A')}")
        print(f"  Market:         {results.get('market', {}).get('name', 'N/A')}")
        print(f"  Channel:        {results.get('channel', 'N/A')}")
        print(f"  Placement:      {results.get('placement', 'N/A')}")
        print(f"  Completed:      {results.get('completed_at', 'N/A')}")

        # Scorecard URL
        scorecard_url = creative.get('scorecard_url', '')
        if scorecard_url:
            print(f"\n🔗 Scorecard:     {scorecard_url}")

        # Scores
        scores = creative.get('scores', [])
        if scores:
            print(f"\n📈 Scores:")
            for score_obj in scores:
                name = score_obj.get('name', 'Unknown')
                value = score_obj.get('value', 0)
                percentage = value * 100
                tier = score_obj.get('creative_quality_tier', 'N/A')
                is_default = score_obj.get('default', False)
                default_marker = " ⭐" if is_default else ""

                print(f"\n  {name}{default_marker}")
                print(f"  Score: {percentage:.0f}% | Tier: {tier}")

                # Guidelines
                guidelines = score_obj.get('guidelines', [])
                if guidelines:
                    print(f"  Guidelines:")
                    for guideline in guidelines:
                        g_name = guideline.get('name', 'Unknown')
                        weight = guideline.get('weight', 'N/A')
                        passed = guideline.get('passed', False)
                        status_icon = "✅" if passed else "❌"
                        print(f"    {status_icon} {g_name} ({weight})")

        print("=" * 70)

    def print_summary(self) -> None:
        """
        Print formatted summary of all uploads
        """
        summary = self.state_manager.get_summary()

        print("\n" + "=" * 60)
        print("PREFLIGHT STATUS SUMMARY")
        print("=" * 60)
        print(f"Total Uploads: {summary['total']}")
        print(f"  ✓ Completed: {summary['completed']}")
        print(f"  ⟳ Processing: {summary['processing']}")
        print(f"  ⊙ Preflight Created: {summary['preflight_created']}")
        print(f"  ⏳ Uploading: {summary['uploading']}")
        print(f"  ⊙ Pending: {summary['pending']}")
        print(f"  ✗ Failed: {summary['failed']}")
        print("=" * 60)

        # Show processing uploads
        processing = self.state_manager.get_uploads_by_status(StateManager.STATUS_PROCESSING)
        if processing:
            print("\nProcessing:")
            for upload in processing:
                filename = upload['filename']
                created_at = upload.get('preflight_created_at', '')
                print(f"  ⟳ {filename}")
                if created_at:
                    print(f"     Created: {created_at}")

        # Show completed uploads
        completed = self.state_manager.get_uploads_by_status(StateManager.STATUS_COMPLETED)
        if completed:
            print("\nRecently Completed:")
            for upload in completed[:5]:  # Show last 5
                filename = upload['filename']
                results = upload.get('results', {})

                # Extract score from nested structure
                score = 'N/A'
                tier = ''
                if results and 'creatives' in results and len(results['creatives']) > 0:
                    creative = results['creatives'][0]
                    if 'scores' in creative and len(creative['scores']) > 0:
                        # Get the default score
                        for score_obj in creative['scores']:
                            if score_obj.get('default', False):
                                score_value = score_obj.get('value', 0)
                                score = f"{score_value * 100:.0f}%"
                                tier = score_obj.get('creative_quality_tier', '')
                                break
                        # If no default found, use first score
                        if score == 'N/A' and len(creative['scores']) > 0:
                            score_value = creative['scores'][0].get('value', 0)
                            score = f"{score_value * 100:.0f}%"
                            tier = creative['scores'][0].get('creative_quality_tier', '')

                tier_str = f" ({tier})" if tier else ""
                print(f"  ✓ {filename} - Score: {score}{tier_str}")

        # Show failed uploads
        failed = self.state_manager.get_uploads_by_status(StateManager.STATUS_FAILED)
        if failed:
            print("\nFailed:")
            for upload in failed:
                filename = upload['filename']
                errors = upload.get('errors', [])
                error_msg = errors[-1] if errors else 'Unknown error'
                print(f"  ✗ {filename}")
                print(f"     Error: {error_msg}")

        print("=" * 60 + "\n")

    def poll_until_complete(self, interval_minutes: int = 30, max_hours: int = 48) -> None:
        """
        Continuously poll for status updates

        Args:
            interval_minutes: Time between checks
            max_hours: Maximum time to wait before giving up
        """
        start_time = datetime.now()
        max_seconds = max_hours * 3600
        interval_seconds = interval_minutes * 60

        self.logger.info(f"Starting polling (interval: {interval_minutes}min, max: {max_hours}h)")

        try:
            while True:
                # Check elapsed time
                elapsed = (datetime.now() - start_time).total_seconds()
                if elapsed > max_seconds:
                    self.logger.info(f"Max wait time ({max_hours}h) exceeded")
                    break

                # Check all processing uploads
                summary = self.check_all_processing()

                # Print update
                self.logger.info("\n" + "-" * 60)
                self.logger.info(f"Poll summary: {summary['completed']} completed, "
                                f"{summary['processing']} still processing")
                self.logger.info(f"Elapsed: {elapsed/3600:.1f}h / {max_hours}h")
                self.logger.info("-" * 60)

                # If nothing processing, we're done
                if summary['processing'] == 0:
                    self.logger.info("All uploads complete!")
                    break

                # Wait for next check
                self.logger.info(f"Next check in {interval_minutes} minutes...")
                time.sleep(interval_seconds)

        except KeyboardInterrupt:
            self.logger.info("\nPolling interrupted by user")
            self.logger.info("State has been saved. You can resume polling later.")


def main():
    """CLI entry point"""
    parser = argparse.ArgumentParser(
        description='Check preflight status and retrieve results'
    )

    parser.add_argument('--file', help='Check specific file')
    parser.add_argument('--poll', action='store_true',
                        help='Continuously poll until complete')
    parser.add_argument('--interval', type=int, default=30,
                        help='Polling interval in minutes (default: 30)')
    parser.add_argument('--summary', action='store_true',
                        help='Show summary only')
    parser.add_argument('--detailed', action='store_true',
                        help='Show detailed scores with guideline breakdown')

    args = parser.parse_args()

    # Load configuration
    try:
        config = load_config()
    except Exception as e:
        print(f"Error loading configuration: {e}")
        sys.exit(1)

    # Initialize checker
    checker = StatusChecker(config)

    # Execute based on arguments
    if args.detailed:
        # Show detailed breakdown for all completed uploads
        completed = checker.state_manager.get_uploads_by_status(StateManager.STATUS_COMPLETED)
        if completed:
            for upload in completed:
                checker.print_detailed_results(upload)
        else:
            print("\nNo completed uploads to show")

    elif args.summary:
        checker.print_summary()

    elif args.file:
        try:
            result = checker.check_status(args.file)
            print(f"\nStatus: {result.get('status', 'unknown')}")
            if result.get('status') == 'completed':
                print(f"Score: {result.get('score', 'N/A')}")
                print(f"Scorecard URL: {result.get('scorecard_url', 'N/A')}")
        except Exception as e:
            print(f"Error: {e}")
            sys.exit(1)

    elif args.poll:
        checker.poll_until_complete(interval_minutes=args.interval)

    else:
        # Default: check all and show summary
        checker.check_all_processing()
        checker.print_summary()


if __name__ == '__main__':
    main()