from enum import Enum
from pydantic import BaseModel
from typing import Optional
from datetime import date, datetime
import uuid


class CompetencyRating(int, Enum):
    NEEDS_IMPROVEMENT = 1
    SATISFACTORY = 2
    GOOD = 3
    EXCELLENT = 4


class ReHireEligibility(str, Enum):
    YES = "yes"
    NO = "no"
    CONDITIONAL = "conditional"


# SECTION 1: INFORMATION & RECORD OVERVIEW
class RecordOverview(BaseModel):
    position_applied:Optional[str]=None
    department_id:Optional[uuid.UUID]=None
    department:Optional[str]=None
    date_time:Optional[datetime]=None


# SECTION 2: EMPLOYMENT VERIFICATION & DUTIES
class EmploymentVerification(BaseModel):
    confirmed_job_title:Optional[str]=None
    confirmed_from:Optional[date]=None
    confirmed_to:Optional[date]=None
    reason_for_leaving:Optional[str]=None


# SECTION 3: one row of the competency grid (1-4 tick + Notes column)
class CompetencyScore(BaseModel):
    rating:Optional[CompetencyRating]=None
    notes:Optional[str]=None


class CompetencyEvaluation(BaseModel):
    technical_knowledge:Optional[CompetencyScore]=None
    reliability:Optional[CompetencyScore]=None
    communication:Optional[CompetencyScore]=None
    problem_solving:Optional[CompetencyScore]=None


# SECTION 4: QUALITATIVE EVALUATION & KEY INSIGHTS
class QualitativeEvaluation(BaseModel):
    strengths:Optional[str]=None
    areas_for_growth:Optional[str]=None
    rehire_eligibility:Optional[ReHireEligibility]=None
    rehire_comments:Optional[str]=None


# SECTION 5: REFEREE CONTACT & RELATIONSHIP VERIFICATION
class RefereeDetails(BaseModel):
    full_name:Optional[str]=None
    current_title:Optional[str]=None
    company:Optional[str]=None
    phone:Optional[str]=None
    email:Optional[str]=None