from pydantic import BaseModel, EmailStr, field_validator
from typing import Optional, List
from datetime import datetime
from app.models.models import UserRole, ActivityType, NCLevel, NCType

# Token
class Token(BaseModel):
    access_token: str
    token_type: str

class TokenData(BaseModel):
    email: Optional[str] = None

# User
class UserBase(BaseModel):
    email: EmailStr
    full_name: Optional[str] = None
    role: UserRole = UserRole.SUPERVISOR
    is_active: bool = True

class UserCreate(UserBase):
    password: str

class User(UserBase):
    id: int
    
    class Config:
        from_attributes = True

# Project
class ProjectBase(BaseModel):
    name: str
    code: str
    location: Optional[str] = None
    start_date: Optional[datetime] = None
    end_date: Optional[datetime] = None
    status: str = "active"
    parent_id: Optional[int] = None

class ProjectCreate(ProjectBase):
    specialty_ids: Optional[List[int]] = []
    contractor_ids: Optional[List[int]] = []

class Project(ProjectBase):
    id: int
    specialties: List['Specialty'] = []
    contractors: List['Contractor'] = []
    subprojects: List['Project'] = []
    
    class Config:
        from_attributes = True

# Specialty
class SpecialtyBase(BaseModel):
    name: str

class Specialty(SpecialtyBase):
    id: int
    class Config:
        from_attributes = True

# Contractor
class ContractorBase(BaseModel):
    name: str
    ruc: Optional[str] = None
    contact_name: Optional[str] = None
    email: Optional[EmailStr] = None
    phone: Optional[str] = None
    address: Optional[str] = None
    specialty_id: Optional[int] = None
    parent_id: Optional[int] = None
    is_active: bool = True

    @field_validator('ruc', 'contact_name', 'email', 'phone', 'address', 'specialty_id', 'parent_id', mode='before')
    @classmethod
    def empty_string_to_none(cls, v):
        if v == "":
            return None
        return v

class ContractorCreate(ContractorBase):
    pass

class ContractorUpdate(BaseModel):
    name: Optional[str] = None
    ruc: Optional[str] = None
    contact_name: Optional[str] = None
    email: Optional[EmailStr] = None
    phone: Optional[str] = None
    address: Optional[str] = None
    specialty_id: Optional[int] = None
    parent_id: Optional[int] = None
    is_active: Optional[bool] = None

class Contractor(ContractorBase):
    id: int
    specialty: Optional[Specialty] = None
    subcontractors: List['Contractor'] = []
    
    class Config:
        from_attributes = True

# Evidence
class EvidenceBase(BaseModel):
    file_path: str
    media_type: Optional[str] = None
    description: Optional[str] = None
    captured_at: Optional[datetime] = None
    transcription: Optional[str] = None
    transcription_status: str = "none"

class Evidence(EvidenceBase):
    id: int
    activity_id: Optional[int] = None
    non_conformity_id: Optional[int] = None
    class Config:
        from_attributes = True
        
class EvidenceUpdate(BaseModel):
    description: Optional[str] = None

# Activity
class ActivityBase(BaseModel):
    project_id: int
    specialty_id: int
    contractor_id: Optional[int] = None
    type: ActivityType = ActivityType.INSPECTION
    area: Optional[str] = None
    description: Optional[str] = None
    observations: Optional[str] = None
    audio_transcription: Optional[str] = None
    status: str = "completed"
    date: Optional[datetime] = None
    end_date: Optional[datetime] = None

class ActivityUpdate(BaseModel):
    project_id: Optional[int] = None
    specialty_id: Optional[int] = None
    contractor_id: Optional[int] = None
    area: Optional[str] = None
    description: Optional[str] = None
    observations: Optional[str] = None
    status: Optional[str] = None
    date: Optional[datetime] = None
    end_date: Optional[datetime] = None

class ActivityCreate(ActivityBase):
    pass

# NonConformity
class NonConformityBase(BaseModel):
    level: NCLevel = NCLevel.MINOR
    description: str
    status: str = "open"
    due_date: Optional[datetime] = None
    responsible_person: Optional[str] = None
    responsible_email: Optional[str] = None
    contractor_id: Optional[int] = None
    access_hash: Optional[str] = None
    action_checklist: Optional[List[dict]] = None
    nc_type: Optional[NCType] = None
    impact_description: Optional[str] = None
    closure_description: Optional[str] = None
    guest_actions: Optional[str] = None
    parent_id: Optional[int] = None

class NonConformityCreate(NonConformityBase):
    activity_id: int

class NonConformityUpdate(BaseModel):
    due_date: Optional[datetime] = None
    responsible_person: Optional[str] = None
    responsible_email: Optional[str] = None
    contractor_id: Optional[int] = None
    access_hash: Optional[str] = None
    action_checklist: Optional[List[dict]] = None
    nc_type: Optional[NCType] = None
    impact_description: Optional[str] = None
    closure_description: Optional[str] = None
    status: Optional[str] = None
    guest_actions: Optional[str] = None

class NonConformity(NonConformityBase):
    id: int
    activity_id: int
    evidences: List[Evidence] = []
    child_ncs: List['NonConformity'] = []
    
    class Config:
        from_attributes = True

class Activity(ActivityBase):
    id: int
    user_id: int
    project: Optional[Project] = None
    evidences: List[Evidence] = []
    non_conformities: List[NonConformity] = []
    
    class Config:
        from_attributes = True

Contractor.model_rebuild()