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


class ProjectSummary(BaseModel):
    project_id: str
    project_title: str
    completed_count: int
    in_progress_count: int
    overdue_count: int
    total_tasks: int


class ReportSummary(BaseModel):
    completed_count: int
    in_progress_count: int
    overdue_count: int
    total_tasks: int


class WeeklyReportContent(BaseModel):
    week_start: str
    week_end: str
    generated_at: str
    projects: List[Dict[str, Any]]
    summary: ReportSummary


class ReportHistoryItem(BaseModel):
    id: str
    report_id: str
    generated_at: datetime
    content: Dict[str, Any]
    status: str
    error_message: Optional[str] = None

    class Config:
        from_attributes = True


class ReportHistoryListResponse(BaseModel):
    reports: List[ReportHistoryItem]
    total: int


class GenerateReportResponse(BaseModel):
    message: str
    report_id: str
    summary: ReportSummary


class WeeklyReportSubscription(BaseModel):
    is_active: bool
    last_sent_at: Optional[datetime] = None


class WeeklyReportSubscriptionUpdate(BaseModel):
    is_active: bool