"""技能差距分析 Schema

请求参数 Param。定制简历模型已抽到 customize_resume.py。
字段命名使用 camelCase alias，与前端 JSON 对齐。
"""

from typing import Literal

from pydantic import BaseModel, Field

# 定制简历可优化模块
OptimizeModule = Literal["summary", "skills", "experience"]


# ===== 请求参数 =====

class SkillGapParam(BaseModel):
    job_id: int = Field(..., alias="jobId")


class CustomizeResumeParam(BaseModel):
    job_id: int = Field(..., alias="jobId")
    resume_id: int = Field(..., alias="resumeId")
    optimize_modules: list[OptimizeModule] = Field(..., alias="optimizeModules")
    add_skills: list[str] = Field(default_factory=list, alias="addSkills")


ChatRole = Literal["user", "assistant"]


class ChatMessage(BaseModel):
    role: ChatRole
    content: str


class AiEditParam(BaseModel):
    job_id: int = Field(..., alias="jobId")
    instruction: str = Field(...)
    chat_history: list[ChatMessage] = Field(default_factory=list, alias="chatHistory")