from typing import Annotated

from fastapi import APIRouter, UploadFile, Form, Query

from app.constants.api_result import ApiCode
from app.constants.domain import DomainStatus
from app.web.request.domain_request import AddDomainRequest, DeleteDomainRequest, UpdateDomainRequest, \
    GetDomainListRequest, CrawlNowRequest, ToggleDomainRequest
from app.web.results import ApiResult
from app.web.service.domain_service import DomainService

router = APIRouter(prefix="/api/domain", tags=["域名管理"])


@router.get("/v1/list")
def get_all_domains(request: Annotated[GetDomainListRequest, Query()]):
    """获取所有的域名信息，支持根据域名、状态进行搜索，不传则返回全部数据，支持分页"""
    return DomainService.get_list(request.page, request.size, request.domain, request.status)


@router.post("/v1/add")
def add_domains(request: AddDomainRequest):
    """添加域名"""

    # 检查是否有重复的
    result = DomainService.get_by_domains(request.domains)
    if not result.success:
        return result

    existed_domains = [item.domain for item in result.data]
    new_domains = [x for x in request.domains if x not in existed_domains]
    if not new_domains:
        return ApiResult.ok(0)

    # 添加并返回
    return DomainService.add_domains(request.crawl_interval, request.crawl_now, new_domains)


@router.post("/v1/import")
def import_domains(
        # 同时提交文件和参数的时候，没办法使用 FormModel 的形式，必须一个一个定义
        file: UploadFile,
        crawl_interval: int = Form(),
        crawl_now: bool = Form(),
):
    """通过上传文件添加域名，如果单个文件很大，以后改成开新协程/线程处理"""

    # 把文件内容读出来
    domains = []
    for line in file.file:
        line = line.strip()
        domains.append(line.decode("UTF-8"))

    # 创建协程任务
    # asyncio.create_task(DomainService.add_domains(crawl_interval, crawl_now, domains))

    # 检查是否有重复域名
    result = DomainService.get_by_domains(domains)
    if not result.success:
        return result
    existed_domains = [item.domain for item in result.data]
    new_domains = [x for x in domains if x not in existed_domains]

    # 添加并返回
    return DomainService.add_domains(crawl_interval, crawl_now, new_domains)


# noinspection DuplicatedCode
@router.post("/v1/update")
def update_domain(request: UpdateDomainRequest):
    """更新域名的数据，主要是采集间隔，支持批量修改，传入多个 id"""

    # 检查待更新的域名是否存在
    result = DomainService.get_by_ids(request.domain_ids)
    if not result.success:
        return result

    existed_domain_ids = [item.id for item in result.data]
    for domain_id in request.domain_ids:
        if domain_id not in existed_domain_ids:
            return ApiResult.error(ApiCode.PARAM_ERROR.value, f"域名 ID {domain_id} 不存在")

    # 更新刷新时间
    return DomainService.update_domain_interval(request.domain_ids, request.crawl_interval)


# noinspection DuplicatedCode
@router.post("/v1/delete")
def delete_domain(request: DeleteDomainRequest):
    """删除域名，支持批量删除，传入多个 id"""

    # 检查待删除的域名是否存在
    result = DomainService.get_by_ids(request.domain_ids)
    if not result.success:
        return result

    existed_domain_ids = [item.id for item in result.data]
    for domain_id in request.domain_ids:
        if domain_id not in existed_domain_ids:
            return ApiResult.error(ApiCode.PARAM_ERROR.value, f"域名 ID {domain_id} 不存在")

    # 删除域名
    return DomainService.delete_domains(request.domain_ids, request.remove_surl)


@router.post("/v1/crawl")
def crawl_now(request: CrawlNowRequest):
    """立即爬取，实际上是把 status 置为 2"""
    result = DomainService.update_domain_status(request.domain_ids, DomainStatus.QUEUEING.value)
    return result


@router.post("/v1/toggle")
def toggle_domain(request: ToggleDomainRequest):
    """暂停爬取某个域名"""
    return DomainService.update_domain_status(request.domain_ids, DomainStatus.PAUSE.value)