"""Schemas para TicketIssue"""
from pydantic import BaseModel, field_validator
from typing import Optional, List
from datetime import datetime
import uuid


class TaggedUserBasic(BaseModel):
    id: uuid.UUID
    full_name: str
    email: str

    class Config:
        from_attributes = True


class IssueCreate(BaseModel):
    content: str
    priority: str = "MEDIUM"
    tagged_user_ids: List[uuid.UUID] = []

    @field_validator("priority")
    @classmethod
    def validate_priority(cls, v: str) -> str:
        valid = {"LOW", "MEDIUM", "HIGH", "URGENT"}
        if v.upper() not in valid:
            raise ValueError(f"priority debe ser uno de: {valid}")
        return v.upper()

    @field_validator("content")
    @classmethod
    def validate_content(cls, v: str) -> str:
        if not v.strip():
            raise ValueError("content no puede estar vacío")
        return v.strip()


class IssueStatusUpdate(BaseModel):
    status: str

    @field_validator("status")
    @classmethod
    def validate_status(cls, v: str) -> str:
        valid = {"OPEN", "IN_PROGRESS", "RESOLVED", "CLOSED"}
        if v.upper() not in valid:
            raise ValueError(f"status debe ser uno de: {valid}")
        return v.upper()


class IssueResponse(BaseModel):
    id: uuid.UUID
    ticket_id: uuid.UUID
    tenant_id: uuid.UUID
    content: str
    priority: str
    status: str
    created_by: uuid.UUID
    created_by_name: str
    tagged_users: List[TaggedUserBasic] = []
    attachment_filename: Optional[str] = None
    attachment_mime_type: Optional[str] = None
    created_at: datetime
    updated_at: datetime

    class Config:
        from_attributes = True