from __future__ import annotations
from typing import List, Optional, Dict
from pydantic import BaseModel, Field


class WorkExperience(BaseModel):
    title: str
    company: str
    start_date: Optional[str] = None
    end_date: Optional[str] = None
    location: Optional[str] = None
    achievements: List[str] = Field(default_factory=list)
    technologies: List[str] = Field(default_factory=list)


class Education(BaseModel):
    school: str
    degree: Optional[str] = None
    field_of_study: Optional[str] = None
    start_date: Optional[str] = None
    end_date: Optional[str] = None


class UserProfile(BaseModel):
    full_name: str
    headline: Optional[str] = None
    summary: Optional[str] = None
    email: Optional[str] = None
    phone: Optional[str] = None
    location: Optional[str] = None
    skills: List[str] = Field(default_factory=list)
    experiences: List[WorkExperience] = Field(default_factory=list)
    education: List[Education] = Field(default_factory=list)
    links: Dict[str, str] = Field(default_factory=dict)


class JobPosting(BaseModel):
    id: str
    title: str
    company: str
    location: Optional[str] = None
    description: str
    url: Optional[str] = None
    source: Optional[str] = None
    saved_by_user: bool = False
    seniority: Optional[str] = None
    employment_type: Optional[str] = None
    metadata: Optional[Dict[str, object]] = None


class ResumeDraft(BaseModel):
    job_id: str
    text: str
    keywords_used: List[str] = Field(default_factory=list)


class CoverLetterDraft(BaseModel):
    job_id: str
    text: str
    keywords_used: List[str] = Field(default_factory=list)


class OrchestrationResult(BaseModel):
    job: JobPosting
    resume: ResumeDraft
    cover_letter: CoverLetterDraft
    metrics: Optional[Dict[str, object]] = None