"""
Boss直聘 - 所有 API 接口
每个类只负责参数构建，HTTP 和算法由 client / core 层处理

响应格式适配:
    Boss 使用 code/zpData（区别于智联的 statusCode/data）
    code=0 表示成功，zpData 为实际业务数据
"""

from __future__ import annotations

from typing import Any, Optional
from urllib.parse import urlencode

from crawler_core.base import BaseFetcher, BaseSearcher, Result
from spiderJobs.platforms.boss.client import BossClient, create_client


# ─────────────────────────────────────────────
# Boss 响应解析（覆写默认算法）
# ─────────────────────────────────────────────

def _parse_boss_response(http_code: int, raw: Any) -> Result:
    """
    Boss 专用响应解析

    Boss 响应格式:
        {"code": 0, "message": "Success", "zpData": {...}}
    code=0 成功，其他为业务错误
    """
    if http_code != 200:
        return Result(
            success=False,
            status_code=http_code,
            error=f"HTTP 请求失败: {http_code}",
        )

    if not isinstance(raw, dict):
        return Result(success=False, status_code=http_code, error="响应格式异常")

    biz_code = raw.get("code", -1)
    if biz_code != 0:
        return Result(
            success=False,
            status_code=biz_code,
            error=raw.get("message") or f"业务错误: {biz_code}",
        )

    payload = raw.get("zpData") or {}

    # 列表型响应
    if isinstance(payload, dict) and "jobList" in payload:
        job_list = payload.get("jobList", [])
        has_more = payload.get("hasMore", False)
        return Result(
            success=True, status_code=200, data=payload,
            list=job_list,
            count=len(job_list),
            is_end_page=not has_more,
        )

    # 列表型响应（公司职位列表使用 list 字段）
    if isinstance(payload, dict) and "list" in payload:
        items = payload.get("list", [])
        has_more = payload.get("hasMore", False)
        return Result(
            success=True, status_code=200, data=payload,
            list=items,
            count=len(items),
            is_end_page=not has_more,
        )

    return Result(success=True, status_code=200, data=payload)


# ─────────────────────────────────────────────
# 1. 首页推荐职位列表（GET）
# ─────────────────────────────────────────────

class SearchRecJobs(BaseSearcher):
    """
    首页推荐/搜索职位列表（无需登录）

        api = SearchRecJobs(city_code="101280600")
        result = api.search()
        all_jobs = api.load_all(max_pages=5)
    """
    ENDPOINT = "/wapi/zpgeek/miniapp/homepage/recjoblist.json"

    def __init__(
        self,
        *,
        city_code: str = "101280600",
        sort_type: int = 1,
        district_code: str = "",
        blue_welfare: str = "",
        encrypt_expect_id: str = "",
        page_size: int = 15,
        client: Optional[BossClient] = None,
    ):
        super().__init__(page_size=page_size, http_client=client or create_client())
        self.city_code = city_code
        self.sort_type = sort_type
        self.district_code = district_code
        self.blue_welfare = blue_welfare
        self.encrypt_expect_id = encrypt_expect_id

    def _build_params(self, page_index: int) -> dict:
        return {
            "cityCode": self.city_code,
            "sortType": self.sort_type,
            "page": page_index,
            "pageSize": self.page_size,
            "encryptExpectId": self.encrypt_expect_id,
            "districtCode": self.district_code,
            "blueWelfare": self.blue_welfare,
            "appId": 10002,
        }

    def _request(self, params: dict) -> tuple[int, Any]:
        """覆写为 GET 请求"""
        return self.http_client.get(self.ENDPOINT, params)

    def _parse(self, http_code: int, raw: Any) -> Result:
        return _parse_boss_response(http_code, raw)


# ─────────────────────────────────────────────
# 2. 职位详情（通过 batch 接口）
# ─────────────────────────────────────────────

class GetJobDetail(BaseFetcher):
    """
    职位详情（无需登录），通过 /wapi/batch/requests 批量请求

        detail = GetJobDetail(
            security_id="xxx",
            job_id="92ea3c76f9197a1503Vz09q8EFRR",
            lid="8uF4BIOMvBU.search.63",
        ).fetch()
    """
    ENDPOINT = "/wapi/batch/requests"

    def __init__(
        self,
        *,
        security_id: str,
        job_id: str,
        lid: str = "",
        source: int = 10,
        client: Optional[BossClient] = None,
    ):
        super().__init__(http_client=client or create_client())
        self.security_id = security_id
        self.job_id = job_id
        self.lid = lid
        self.source = source

    def _build_params(self) -> dict:
        """不使用（batch 请求由 fetch 直接处理）"""
        return {}

    def fetch(self) -> Result:
        """覆写 fetch，使用 batch 接口"""
        detail_query = urlencode({
            "securityId": self.security_id,
            "jobId": self.job_id,
            "lid": self.lid,
            "source": self.source,
        })
        improvement_query = urlencode({
            "securityId": self.security_id,
            "jobId": self.job_id,
            "lid": self.lid,
        })
        sub_reqs = [
            {
                "path": "/wapi/zpgeek/miniapp/job/detail.json",
                "method": "GET",
                "query": detail_query,
            },
            {
                "path": "/wapi/zpgeek/miniapp/jobdetail/improvement/query.json",
                "method": "GET",
                "query": improvement_query,
            },
        ]

        try:
            client: BossClient = self.http_client
            http_code, data = client.batch(sub_reqs)
        except Exception as e:
            return Result(success=False, status_code=-1, error=str(e))

        return self._parse(http_code, data)

    def _parse(self, http_code: int, raw: Any) -> Result:
        """解析 batch 响应，合并子请求结果"""
        if http_code != 200:
            return Result(success=False, status_code=http_code, error=f"HTTP 请求失败: {http_code}")

        if not isinstance(raw, dict):
            return Result(success=False, status_code=http_code, error="响应格式异常")

        biz_code = raw.get("code", -1)
        if biz_code != 0:
            return Result(
                success=False,
                status_code=biz_code,
                error=raw.get("message") or f"业务错误: {biz_code}",
            )

        zp_data = raw.get("zpData") or {}
        # 合并两个子请求的数据
        detail = zp_data.get("/wapi/zpgeek/miniapp/job/detail.json", {})
        improvement = zp_data.get("/wapi/zpgeek/miniapp/jobdetail/improvement/query.json", {})

        merged = {
            "detail": detail.get("zpData") if isinstance(detail, dict) else detail,
            "improvement": improvement.get("zpData") if isinstance(improvement, dict) else improvement,
        }
        return Result(success=True, status_code=200, data=merged)


# ─────────────────────────────────────────────
# 3. 公司/品牌详情（GET）
# ─────────────────────────────────────────────

class GetBrandDetail(BaseFetcher):
    """
    公司/品牌详情（无需登录）

        detail = GetBrandDetail(brand_id="02cd05cce753437e33V50w~~").fetch()
    """
    ENDPOINT = "/wapi/zpgeek/miniapp/brand/detail.json"

    def __init__(self, *, brand_id: str, client: Optional[BossClient] = None):
        super().__init__(http_client=client or create_client())
        self.brand_id = brand_id

    def _build_params(self) -> dict:
        return {"brandId": self.brand_id, "appId": 10002}

    def _parse(self, http_code: int, raw: Any) -> Result:
        return _parse_boss_response(http_code, raw)


# ─────────────────────────────────────────────
# 4. 公司职位列表（GET）
# ─────────────────────────────────────────────

class SearchBrandJobs(BaseSearcher):
    """
    公司在招职位列表（无需登录）

        api = SearchBrandJobs(brand_id="02cd05cce753437e33V50w~~")
        result = api.search()
        all_jobs = api.load_all(max_pages=3)
    """
    ENDPOINT = "/wapi/zpgeek/miniapp/brand/joblist.json"

    def __init__(
        self,
        *,
        brand_id: str,
        query: str = "",
        position_lv1: int = 0,
        city: str = "",
        experience: str = "",
        salary: str = "",
        page_size: int = 15,
        client: Optional[BossClient] = None,
    ):
        super().__init__(page_size=page_size, http_client=client or create_client())
        self.brand_id = brand_id
        self.query = query
        self.position_lv1 = position_lv1
        self.city = city
        self.experience = experience
        self.salary = salary

    def _build_params(self, page_index: int) -> dict:
        return {
            "brandId": self.brand_id,
            "query": self.query,
            "page": page_index,
            "hasMore": "true",
            "positionLv1": self.position_lv1,
            "city": self.city,
            "experience": self.experience,
            "salary": self.salary,
            "appId": 10002,
        }

    def _request(self, params: dict) -> tuple[int, Any]:
        """覆写为 GET 请求"""
        return self.http_client.get(self.ENDPOINT, params)

    def _parse(self, http_code: int, raw: Any) -> Result:
        return _parse_boss_response(http_code, raw)


# ─────────────────────────────────────────────
# 使用示例
# ─────────────────────────────────────────────

if __name__ == "__main__":
    import json

    print("=== 1. 首页推荐职位 ===")
    r = SearchRecJobs(city_code="101280600").search()
    print(f"成功: {r.success}, 本页 {len(r.list)} 条, is_end_page: {r.is_end_page}")
    if r.list:
        print(f"第一条: {json.dumps(r.list[0], ensure_ascii=False, indent=2)[:200]}...")

    print("\n=== 2. 公司详情 ===")
    r = GetBrandDetail(brand_id="02cd05cce753437e33V50w~~").fetch()
    print(f"成功: {r.success}")
    if r.data:
        print(f"数据: {json.dumps(r.data, ensure_ascii=False, indent=2)[:300]}...")

    print("\n=== 3. 公司职位列表 ===")
    r = SearchBrandJobs(brand_id="02cd05cce753437e33V50w~~").search()
    print(f"成功: {r.success}, 本页 {len(r.list)} 条")

    # 注: 职位详情需要 security_id，需要先从搜索结果中获取
    print("\n=== 4. 职位详情（需要 security_id）===")
    if SearchRecJobs(city_code="101280600").search().list:
        first_job = SearchRecJobs(city_code="101280600").search().list[0]
        sid = first_job.get("securityId", "")
        jid = first_job.get("encryptJobId", "")
        if sid and jid:
            r = GetJobDetail(security_id=sid, job_id=jid).fetch()
            print(f"成功: {r.success}")
            if r.data:
                print(f"数据: {json.dumps(r.data, ensure_ascii=False, indent=2)[:300]}...")
        else:
            print("搜索结果中未找到 securityId/encryptJobId 字段")
    else:
        print("搜索结果为空，跳过")