"""
Classroom API - Analytics, Reflection, Feedback, Settings Pydantic Models.
"""

from typing import Dict, List, Optional, Any
from pydantic import BaseModel, Field


# === Analytics Models ===

class SessionSummaryResponse(BaseModel):
    """Response fuer Session-Summary."""
    session_id: str
    teacher_id: str
    class_id: str
    subject: str
    topic: Optional[str]
    date: Optional[str]
    date_formatted: str
    total_duration_seconds: int
    total_duration_formatted: str
    planned_duration_seconds: int
    planned_duration_formatted: str
    phases_completed: int
    total_phases: int
    completion_percentage: int
    phase_statistics: List[Dict[str, Any]]
    total_overtime_seconds: int
    total_overtime_formatted: str
    phases_with_overtime: int
    total_pause_count: int
    total_pause_seconds: int
    reflection_notes: str = ""
    reflection_rating: Optional[int] = None
    key_learnings: List[str] = []


class TeacherAnalyticsResponse(BaseModel):
    """Response fuer Lehrer-Analytics."""
    teacher_id: str
    period_start: Optional[str]
    period_end: Optional[str]
    total_sessions: int
    completed_sessions: int
    total_teaching_minutes: int
    total_teaching_hours: float
    avg_phase_durations: Dict[str, int]
    sessions_with_overtime: int
    overtime_percentage: int
    avg_overtime_seconds: int
    avg_overtime_formatted: str
    most_overtime_phase: Optional[str]
    avg_pause_count: float
    avg_pause_duration_seconds: int
    subjects_taught: Dict[str, int]
    classes_taught: Dict[str, int]


class ReflectionCreate(BaseModel):
    """Request-Body fuer Reflection-Erstellung."""
    session_id: str
    teacher_id: str
    notes: str = ""
    overall_rating: Optional[int] = Field(None, ge=1, le=5)
    what_worked: List[str] = []
    improvements: List[str] = []
    notes_for_next_lesson: str = ""


class ReflectionUpdate(BaseModel):
    """Request-Body fuer Reflection-Update."""
    notes: Optional[str] = None
    overall_rating: Optional[int] = Field(None, ge=1, le=5)
    what_worked: Optional[List[str]] = None
    improvements: Optional[List[str]] = None
    notes_for_next_lesson: Optional[str] = None


class ReflectionResponse(BaseModel):
    """Response fuer eine einzelne Reflection."""
    reflection_id: str
    session_id: str
    teacher_id: str
    notes: str
    overall_rating: Optional[int]
    what_worked: List[str]
    improvements: List[str]
    notes_for_next_lesson: str
    created_at: Optional[str]
    updated_at: Optional[str]


# === Feedback Models ===

class FeedbackCreate(BaseModel):
    """Request zum Erstellen von Feedback."""
    title: str = Field(..., min_length=3, max_length=500, description="Kurzer Titel")
    description: str = Field(..., min_length=10, description="Beschreibung")
    feedback_type: str = Field("improvement", description="bug, feature_request, improvement, praise, question")
    priority: str = Field("medium", description="critical, high, medium, low")
    teacher_name: str = Field("", description="Name des Lehrers")
    teacher_email: str = Field("", description="E-Mail fuer Rueckfragen")
    context_url: str = Field("", description="URL wo Feedback gegeben wurde")
    context_phase: str = Field("", description="Aktuelle Phase")
    context_session_id: Optional[str] = Field(None, description="Session-ID falls aktiv")
    related_feature: Optional[str] = Field(None, description="Verwandtes Feature")


class FeedbackResponse(BaseModel):
    """Response fuer Feedback."""
    id: str
    teacher_id: str
    teacher_name: str
    title: str
    description: str
    feedback_type: str
    priority: str
    status: str
    created_at: str
    response: Optional[str] = None


class FeedbackListResponse(BaseModel):
    """Liste von Feedbacks."""
    feedbacks: List[Dict[str, Any]]
    total: int


class FeedbackStatsResponse(BaseModel):
    """Feedback-Statistiken."""
    total: int
    by_status: Dict[str, int]
    by_type: Dict[str, int]
    by_priority: Dict[str, int]


# === Settings Models ===

class TeacherSettingsResponse(BaseModel):
    """Response fuer Lehrer-Einstellungen."""
    teacher_id: str
    default_phase_durations: Dict[str, int]
    audio_enabled: bool = True
    high_contrast: bool = False
    show_statistics: bool = True


class UpdatePhaseDurationsRequest(BaseModel):
    """Request zum Aktualisieren der Phasen-Dauern."""
    durations: Dict[str, int] = Field(
        ...,
        description="Phasen-Dauern in Minuten, z.B. {'einstieg': 10, 'erarbeitung': 25}",
        examples=[{"einstieg": 10, "erarbeitung": 25, "sicherung": 10, "transfer": 8, "reflexion": 5}]
    )


class UpdatePreferencesRequest(BaseModel):
    """Request zum Aktualisieren der UI-Praeferenzen."""
    audio_enabled: Optional[bool] = None
    high_contrast: Optional[bool] = None
    show_statistics: Optional[bool] = None