"""
Subtitle Generator Agent

Generates subtitles/captions for videos with proper timing,
formatting, and multi-language support.
"""

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


class SubtitleGeneratorAgent(BaseAgent):
    """
    Generates video subtitles and captions.

    Features:
    - Speech-to-text conversion
    - Precise timing sync
    - Multi-language support
    - Format conversion (SRT, VTT, etc.)
    - Style customization
    - Accessibility compliance
    """

    def __init__(self):
        super().__init__(
            name='subtitle-generator',
            description='Generate video subtitles and captions',
            category='creative',
            version='1.0.0',
            tags=['subtitles', 'captions', 'video', 'accessibility', 'localization']
        )

    async def execute(self, params: Dict[str, Any]) -> Dict[str, Any]:
        """
        Generate video subtitles.

        Args:
            params: {
                'video_file': str,
                'language': str,
                'format': 'srt|vtt|ass|sbv',
                'options': {
                    'max_chars_per_line': int,
                    'max_lines': int,
                    'reading_speed': int,  # words per minute
                    'auto_sync': bool,
                    'translate_to': List[str]
                }
            }

        Returns:
            {
                'status': 'success|failed',
                'subtitles': Dict[str, str],
                'timing_data': List[Dict],
                'translations': Dict[str, str],
                'quality_metrics': Dict
            }
        """
        video_file = params.get('video_file')
        language = params.get('language', 'en')
        format_type = params.get('format', 'srt')
        options = params.get('options', {})

        self.logger.info(
            f"Generating subtitles for: {video_file}"
        )

        # Mock subtitle generation
        srt_content = """1
00:00:00,000 --> 00:00:03,500
Welcome to our comprehensive guide
on mastering content creation.

2
00:00:03,500 --> 00:00:07,000
Today, we'll explore the key strategies
that professionals use every day.

3
00:00:07,000 --> 00:00:10,500
First, let's talk about understanding
your target audience.

4
00:00:10,500 --> 00:00:14,000
Knowing who you're creating for
is absolutely crucial for success.

5
00:00:14,500 --> 00:00:18,000
Next, we'll dive into content planning
and editorial calendars.

6
00:00:18,500 --> 00:00:22,000
A well-planned content strategy
saves time and improves quality.

7
00:00:22,500 --> 00:00:26,000
Now, let's look at some practical examples
from successful creators.

8
00:00:26,500 --> 00:00:30,000
These case studies will show you
what works in real-world scenarios.

9
00:00:30,500 --> 00:00:34,000
Remember: consistency is key
to building an engaged audience.

10
00:00:34,500 --> 00:00:37,000
Thanks for watching!
Don't forget to subscribe."""

        vtt_content = """WEBVTT

00:00.000 --> 00:03.500
Welcome to our comprehensive guide
on mastering content creation.

00:03.500 --> 00:07.000
Today, we'll explore the key strategies
that professionals use every day.

00:07.000 --> 00:10.500
First, let's talk about understanding
your target audience.

00:10.500 --> 00:14.000
Knowing who you're creating for
is absolutely crucial for success."""

        timing_data = [
            {
                'index': 1,
                'start': '00:00:00,000',
                'end': '00:00:03,500',
                'duration': '3.5s',
                'text': 'Welcome to our comprehensive guide on mastering content creation.',
                'words': 10,
                'chars': 69,
                'reading_speed': 'normal'
            },
            {
                'index': 2,
                'start': '00:00:03,500',
                'end': '00:00:07,000',
                'duration': '3.5s',
                'text': "Today, we'll explore the key strategies that professionals use every day.",
                'words': 12,
                'chars': 78,
                'reading_speed': 'normal'
            },
            {
                'index': 3,
                'start': '00:00:07,000',
                'end': '00:00:10,500',
                'duration': '3.5s',
                'text': "First, let's talk about understanding your target audience.",
                'words': 9,
                'chars': 62,
                'reading_speed': 'normal'
            }
        ]

        translations = {
            'es': """1
00:00:00,000 --> 00:00:03,500
Bienvenido a nuestra guía completa
sobre la creación de contenido.

2
00:00:03,500 --> 00:00:07,000
Hoy exploraremos las estrategias clave
que los profesionales usan cada día.""",

            'fr': """1
00:00:00,000 --> 00:00:03,500
Bienvenue dans notre guide complet
sur la maîtrise de la création de contenu.

2
00:00:03,500 --> 00:00:07,000
Aujourd'hui, nous explorerons les stratégies clés
utilisées par les professionnels."""
        }

        format_specs = {
            'srt': {
                'extension': '.srt',
                'description': 'SubRip - Most widely supported',
                'compatibility': 'YouTube, Facebook, Twitter, Most players',
                'features': 'Basic formatting, timestamps'
            },
            'vtt': {
                'extension': '.vtt',
                'description': 'WebVTT - Web standard',
                'compatibility': 'HTML5 video, Modern browsers',
                'features': 'Styling, positioning, metadata'
            },
            'ass': {
                'extension': '.ass',
                'description': 'Advanced SubStation Alpha',
                'compatibility': 'Professional video editors',
                'features': 'Advanced styling, animations, effects'
            },
            'sbv': {
                'extension': '.sbv',
                'description': 'YouTube subtitle format',
                'compatibility': 'YouTube',
                'features': 'Simple format, easy to edit'
            }
        }

        return {
            'status': 'success',
            'video_file': video_file,
            'subtitles': {
                'srt': srt_content,
                'vtt': vtt_content
            },
            'timing_data': timing_data,
            'total_captions': 10,
            'total_duration': '37 seconds',
            'translations': translations if options.get('translate_to') else {},
            'format_specifications': format_specs,
            'style_guidelines': {
                'max_chars_per_line': options.get('max_chars_per_line', 42),
                'max_lines_per_caption': options.get('max_lines', 2),
                'reading_speed': f"{options.get('reading_speed', 180)} words per minute",
                'min_caption_duration': '1 second',
                'max_caption_duration': '7 seconds',
                'gap_between_captions': '0.25 seconds'
            },
            'quality_metrics': {
                'accuracy': '96%',
                'timing_precision': '±0.1 seconds',
                'reading_speed_compliance': '98%',
                'character_limit_compliance': '100%',
                'wcag_compliance': 'AA'
            },
            'accessibility_features': {
                'closed_captions': 'Full dialogue transcription',
                'sound_descriptions': '[Music playing], [Door closes]',
                'speaker_identification': 'Supported',
                'color_coding': 'Optional for multiple speakers',
                'position_customization': 'Supported in VTT/ASS'
            },
            'best_practices': [
                'Keep captions to 2 lines maximum',
                'Use 42 characters per line max',
                'Maintain 1-7 second caption duration',
                'Allow 180-200 words per minute reading speed',
                'Break at natural speech pauses',
                'Use proper punctuation',
                'Include sound effects [brackets]',
                'Synchronize precisely with audio',
                'Test on multiple devices',
                'Proofread for accuracy'
            ],
            'platform_requirements': {
                'youtube': {
                    'format': 'SRT, VTT, SBV',
                    'max_file_size': '10 MB',
                    'languages_supported': '100+',
                    'auto_translate': 'Available'
                },
                'facebook': {
                    'format': 'SRT',
                    'max_file_size': '5 MB',
                    'auto_captions': 'Available for English',
                    'position': 'Bottom center (fixed)'
                },
                'instagram': {
                    'format': 'SRT (stories/IGTV)',
                    'burned_in': 'Recommended for feed posts',
                    'auto_captions': 'Not available'
                },
                'twitter': {
                    'format': 'SRT',
                    'max_file_size': '512 KB',
                    'auto_captions': 'Limited availability'
                }
            },
            'export_options': {
                'formats': ['SRT', 'VTT', 'ASS', 'SBV', 'TXT'],
                'encoding': 'UTF-8',
                'line_endings': 'Windows (CRLF) or Unix (LF)',
                'burned_in': 'Permanently embed in video'
            },
            'tools_recommended': [
                'Subtitle Edit (free, open-source)',
                'Aegisub (advanced timing)',
                'YouTube Studio (auto-generation)',
                'Rev.com (professional service)',
                'Otter.ai (AI transcription)'
            ]
        }

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

        return True
