"""岗位简历技能差距分析 + 定制简历接口"""

from fastapi import APIRouter

from app.core.context import RequestContext
from app.core.database import get_db
from app.schemas.skill_gap import SkillGapParam, CustomizeResumeParam, AiEditParam, CustomizeResume
from app.services.skill_gap_service import SkillGapService
from app.services import customize_resume_store

router = APIRouter(prefix="/job", tags=["岗位简历"])


@router.post("/skill-gap", summary="技能差距分析")
async def skill_gap(param: SkillGapParam):
    """根据岗位技能标签和用户简历，分析技能差距"""
    user_id = RequestContext.user_id.get()
    async for session in get_db():
        service = SkillGapService(session)
        result = await service.analyze_skill_gap(user_id, param.job_id)
    return result


@router.post("/customize-resume", summary="生成定制简历")
async def generate_customize_resume(param: CustomizeResumeParam):
    """根据差距分析结果，AI 生成定制简历"""
    user_id = RequestContext.user_id.get()
    async for session in get_db():
        service = SkillGapService(session)
        await service.generate_customize_resume(
            user_id, param.job_id, param.resume_id,
            param.optimize_modules, param.add_skills,
        )
    return {"success": True}


@router.get("/customize-resume", summary="查询定制简历")
async def get_customize_resume():
    """查询当前用户的定制简历"""
    user_id = RequestContext.user_id.get()
    return await customize_resume_store.get(user_id)


@router.put("/customize-resume", summary="修改定制简历")
async def update_customize_resume(data: CustomizeResume):
    """手动编辑定制简历（整体覆盖）"""
    user_id = RequestContext.user_id.get()
    await customize_resume_store.save(user_id, data)


@router.post("/customize-resume/rollback", summary="回滚定制简历")
async def rollback_customize_resume():
    """回滚到上一版本的定制简历"""
    user_id = RequestContext.user_id.get()
    await customize_resume_store.rollback(user_id)


@router.post("/customize-resume/ai-edit", summary="AI对话编辑定制简历")
async def ai_edit_customize_resume(param: AiEditParam):
    """AI 对话式编辑定制简历"""
    user_id = RequestContext.user_id.get()
    # 短事务：查岗位信息
    async for session in get_db():
        service = SkillGapService(session)
        result = await service.ai_edit_customize_resume(
            user_id, param.job_id, param.instruction,
            [msg.model_dump() for msg in param.chat_history],
        )
    return result