"""
Recording API - Pydantic Models & Configuration.

Data models for recording, transcription, and webhook endpoints.
"""

import os
from datetime import datetime
from typing import Optional, List

from pydantic import BaseModel, Field


# ==========================================
# ENVIRONMENT CONFIGURATION
# ==========================================

MINIO_ENDPOINT = os.getenv("MINIO_ENDPOINT", "minio:9000")
MINIO_ACCESS_KEY = os.getenv("MINIO_ACCESS_KEY", "breakpilot")
MINIO_SECRET_KEY = os.getenv("MINIO_SECRET_KEY", "breakpilot123")
MINIO_BUCKET = os.getenv("MINIO_BUCKET", "breakpilot-recordings")
MINIO_SECURE = os.getenv("MINIO_SECURE", "false").lower() == "true"

# Default retention period in days (DSGVO compliance)
DEFAULT_RETENTION_DAYS = int(os.getenv("RECORDING_RETENTION_DAYS", "365"))


# ==========================================
# PYDANTIC MODELS
# ==========================================

class JibriWebhookPayload(BaseModel):
    """Webhook payload from Jibri finalize.sh script."""
    event: str = Field(..., description="Event type: recording_completed")
    recording_name: str = Field(..., description="Unique recording identifier")
    storage_path: str = Field(..., description="Path in MinIO bucket")
    audio_path: Optional[str] = Field(None, description="Extracted audio path")
    file_size_bytes: int = Field(..., description="Video file size in bytes")
    timestamp: str = Field(..., description="ISO timestamp of upload")


class RecordingCreate(BaseModel):
    """Manual recording creation (for testing)."""
    meeting_id: str
    title: Optional[str] = None
    storage_path: str
    audio_path: Optional[str] = None
    duration_seconds: Optional[int] = None
    participant_count: Optional[int] = 0
    retention_days: Optional[int] = DEFAULT_RETENTION_DAYS


class RecordingResponse(BaseModel):
    """Recording details response."""
    id: str
    meeting_id: str
    title: Optional[str]
    storage_path: str
    audio_path: Optional[str]
    file_size_bytes: Optional[int]
    duration_seconds: Optional[int]
    participant_count: int
    status: str
    recorded_at: datetime
    retention_days: int
    retention_expires_at: datetime
    transcription_status: Optional[str] = None
    transcription_id: Optional[str] = None


class RecordingListResponse(BaseModel):
    """Paginated list of recordings."""
    recordings: List[RecordingResponse]
    total: int
    page: int
    page_size: int


class TranscriptionRequest(BaseModel):
    """Request to start transcription."""
    language: str = Field(default="de", description="Language code: de, en, etc.")
    model: str = Field(default="large-v3", description="Whisper model to use")
    priority: int = Field(default=0, description="Queue priority (higher = sooner)")


class TranscriptionStatusResponse(BaseModel):
    """Transcription status and progress."""
    id: str
    recording_id: str
    status: str
    language: str
    model: str
    word_count: Optional[int]
    confidence_score: Optional[float]
    processing_duration_seconds: Optional[int]
    error_message: Optional[str]
    created_at: datetime
    completed_at: Optional[datetime]