import { defineStore } from "pinia";
import { KeepAliveState } from "@/stores/interface";
import { cloneDeep } from "lodash-es";
import { useTabsStore } from "@/stores/modules/tabs";
import { LockBill, UnLockBill } from "@/api/modules/common";

// 最大缓存页面数量限制
const MAX_KEEP_ALIVE_COUNT = 10;
export const useKeepAliveStore = defineStore({
  id: "geeker-keepAlive",
  state: (): KeepAliveState => ({
    keepAliveName: [],
    keepAliveList: [],
    closeAliveList: []
  }),
  getters: {
    getKeepAliveList(): any[] {
      return this.keepAliveList;
    }
  },
  actions: {
    setKeepAliveList(keepAliveList: any) {
      this.keepAliveList = keepAliveList;

      console.log("getKeepAliveName routeItem setKeepAliveList :>> ", JSON.stringify(this.keepAliveList));
      console.log("getKeepAliveName routeItem setKeepAliveList :>> ", this.keepAliveList);
    },
    // Add KeepAliveName
    async addKeepAliveName(route: any) {
      !this.keepAliveName.includes(route.name) && this.keepAliveName.push(route.name);

      let routeItem = this.keepAliveList.find((item: any) => item.fullPath == route.fullPath);
      console.log("getKeepAliveName routeItem addKeepAliveName :>> ", JSON.stringify(this.keepAliveList));

      console.log("getKeepAliveName routeItem removeKeepAliveName closeAliveList:>> ", JSON.stringify(this.closeAliveList));
      if (!routeItem) {
        let closeItem = this.closeAliveList.find((item: any) => item.fullPath == route.fullPath);
        routeItem = {
          fullPath: route.fullPath,
          times: 0
        };
        if (closeItem) {
          routeItem.times = closeItem.times + 1;
          this.closeAliveList = this.closeAliveList.filter((item: any) => item.fullPath != route.fullPath);
        }
        this.keepAliveList.push(routeItem);

        // 检查缓存数量限制，如果超过限制则清理最旧的缓存
        this.cleanOldKeepAliveCache();
      }
    },
    // Remove KeepAliveName
    removeKeepAliveName(route: any) {
      this.keepAliveName = this.keepAliveName.filter(item => item !== route.name);

      let index = this.keepAliveList.findIndex(item => item.fullPath === route.fullPath);
      if (index > -1) {
        if (this.closeAliveList.every(item => item.fullPath !== route.fullPath)) {
          this.closeAliveList.push(this.keepAliveList[index]);
        }
        this.keepAliveList.splice(index, 1);
        // this.keepAliveList[index].times = this.keepAliveList[index].times + 1;

        if (route.needLock && Number(route.billid)) {
          UnLockBill({
            keyword: String(route.keyword),
            billid: Number(route.billid),
            billcode: String(route.billcode)
          }).catch(err => {
            console.warn("解锁失败:", route.keyword, route.billid, err);
          });
        }
      }
      console.log("getKeepAliveName routeItem removeKeepAliveName :>> ", index, JSON.stringify(this.keepAliveList));
      console.log("getKeepAliveName routeItem removeKeepAliveName :>> ", this.keepAliveList);
      console.log("getKeepAliveName routeItem keepAliveName :>> ", this.keepAliveName);
    },
    // Set KeepAliveName
    async setKeepAliveName(keepAliveName: string[] = []) {
      this.keepAliveName = keepAliveName;
    },
    async updateKeepAliveName(route: any) {
      // this.addKeepAliveName(route);
      console.log("updateKeepAliveName route :>> ", route, this.keepAliveList);
      this.keepAliveList.forEach((item: any) => {
        console.log("updateKeepAliveName item :>> ", item.fullPath, route.fullPath, item.fullPath == route.fullPath);
        if (item.fullPath == route.fullPath) {
          item.times++;
        }
      });
    },
    getKeepAliveName(name: string) {
      let routeItem = this.keepAliveList.find((item: any) => item.fullPath == name);
      if (!routeItem) {
        // routeItem = {
        //   fullPath: name,
        //   times: 0
        // };
        // this.keepAliveList.push(routeItem);
        return undefined;
      }
      return routeItem;
    },
    // 清理过期的 keepAlive 缓存
    cleanOldKeepAliveCache() {
      if (this.keepAliveList.length <= MAX_KEEP_ALIVE_COUNT) {
        return;
      }

      const tabStore = useTabsStore();
      // 过滤出编辑页，跳过不清理
      const editPages = this.keepAliveList.filter(item => {
        const tab = tabStore.tabsMenuList.find(tabItem => tabItem.path === item.fullPath);
        return tab && (tab.path.includes("/edit?") || tab.path.includes("/edit/"));
      });

      // 计算可清理的缓存数量（总数减去编辑页数量）
      const availableToClean = this.keepAliveList.length - editPages.length;
      const maxCleanable = MAX_KEEP_ALIVE_COUNT - editPages.length;

      // 如果非编辑页数量在限制范围内，不需要清理
      if (availableToClean <= maxCleanable) {
        console.log(`非编辑页缓存数量 (${availableToClean}) 在限制范围内，跳过清理`);
        return;
      }
      console.log(
        `keepAlive 缓存数量 (${this.keepAliveList.length}) 超过限制，编辑页: ${editPages.length}，开始清理非编辑页缓存`
      );

      // 获取非编辑页缓存进行清理
      const nonEditPages = this.keepAliveList.filter(item => {
        const tab = tabStore.tabsMenuList.find(tabItem => tabItem.path === item.fullPath);
        return !tab || (!tab.path.includes("/edit?") && !tab.path.includes("/edit/"));
      });

      // 按访问次数排序，优先清理访问次数少的缓存
      const sortedCache = nonEditPages.sort((a, b) => a.times - b.times);

      // 需要清理的数量
      const removeCount = availableToClean - maxCleanable;
      const toRemove = sortedCache.slice(0, removeCount);

      // 清理 keepAliveName 和 keepAliveList
      toRemove.forEach(item => {
        console.log(`清理 keepAlive 缓存: ${item.fullPath} (访问次数: ${item.times})`);

        // 从 keepAliveList 中移除
        const index = this.keepAliveList.findIndex(cacheItem => cacheItem.fullPath === item.fullPath);
        if (index > -1) {
          this.keepAliveList.splice(index, 1);
        }

        // 从 keepAliveName 中移除对应的组件名
        const tab = tabStore.tabsMenuList.find(tabItem => tabItem.path === item.fullPath);
        if (tab && tab.name) {
          const nameIndex = this.keepAliveName.indexOf(tab.name);
          if (nameIndex > -1) {
            this.keepAliveName.splice(nameIndex, 1);
          }
        }
      });

      console.log(`keepAlive 缓存清理完成，当前缓存数量: ${this.keepAliveList.length}`);
    },
    computedKeepAliveName(to, from) {
      this.computedKeepAliveNamePro(to, from);
      return;
      const tabStore = useTabsStore();

      const tabsParams = {
        icon: to.meta.icon as string,
        title: to.meta.title as string,
        path: to.fullPath,
        fullPath: to.fullPath,
        name: to.name as string,
        close: !to.meta.isAffix
      };

      if (to.meta.needLock && Number(to.query.id)) {
        tabsParams["needLock"] = to.meta.needLock;
        tabsParams["keyword"] = String(to.meta.billtype);
        tabsParams["billid"] = Number(to.query.id);
        tabsParams["billcode"] = String(to.query.code);
      }

      const isEditToDetail =
        from.fullPath.includes("/edit") && to.fullPath.includes("/detail") && from.query?.id && from.meta?.needLock;
      const isSameBill = from.query?.code === to.query?.code;
      if (isEditToDetail && isSameBill) {
        UnLockBill({
          keyword: String(from.meta.billtype),
          billid: Number(from.query.id),
          billcode: String(from.query.code)
        }).catch(err => {
          console.warn("edit->detail 解锁失败:", err);
        });
      }

      let isReplace = false;
      if (tabsParams.path.indexOf("/edit?") > -1 || tabsParams.path.indexOf("/edit/") > -1) {
        let key = "/edit?";
        let name = "";
        let _path = tabsParams.path.replace(key, "/detail?");
        // let _path = from.fullPath;
        // 使用路由参数的地址，忽略查询参数后，查找相同地址
        let _path2 = tabsParams.path.replace("/edit/", "/detail/");
        let hasPath1 = to.fullPath.indexOf("/edit?") > -1;
        let hasPath2 = to.fullPath.indexOf("/edit/") > -1;
        let tabsMenuList = tabStore.tabsMenuList;
        console.log("tabsMenuList :>> ", JSON.stringify(tabsMenuList));
        for (let i = 0; i < tabsMenuList.length; i++) {
          if (
            (hasPath1 && tabsMenuList[i].path == _path) ||
            (hasPath2 && tabsMenuList[i].path.split("?")[0] == _path2.split("?")[0])
          ) {
            name = tabsMenuList[i].name;
            tabsMenuList[i] = tabsParams;
            isReplace = true;
            break;
          }
        }
        console.log("keilll name edit:>> ", name);
        tabStore.setTabs(tabsMenuList);
        isReplace && this.addKeepAliveName(to);
        isReplace && this.removeKeepAliveName(from);
        name && to.meta.isKeepAlive && this.updateKeepAliveName(to);
        // name && this.updateKeepAliveName(to);
        // to.meta.isKeepAlive && this.updateKeepAliveName(route);
      } else if (tabsParams.path.indexOf("/detail?") > -1 || tabsParams.path.indexOf("/detail/") > -1) {
        let key = "/detail?";
        let name = "";
        let _path = tabsParams.path.replace(key, "/edit?");
        // let _path = from.fullPath;
        // 使用路由参数的地址，忽略查询参数后，查找相同地址
        let _path2 = tabsParams.path.replace("/detail/", "/edit/");
        let hasPath1 = to.fullPath.indexOf("/detail?") > -1;
        let hasPath2 = to.fullPath.indexOf("/detail/") > -1;
        let tabsMenuList = tabStore.tabsMenuList;
        console.log("tabsMenuList :>> ", JSON.stringify(tabsMenuList));
        for (let i = 0; i < tabsMenuList.length; i++) {
          if (
            (hasPath1 &&
              (tabsMenuList[i].path == _path ||
                (tabsMenuList[i].path == from.fullPath && from.fullPath.indexOf("/copy?") > -1))) ||
            (hasPath2 && tabsMenuList[i].path.split("?")[0] == _path2.split("?")[0])
          ) {
            name = tabsMenuList[i].name;
            tabsMenuList[i] = tabsParams;
            isReplace = true;
            break;
          }
        }
        tabStore.setTabs(tabsMenuList);
        console.log("keilll name detail:>> ", name);
        isReplace && this.addKeepAliveName(to);
        isReplace && this.removeKeepAliveName(from);
        name && to.meta.isKeepAlive && this.updateKeepAliveName(to);
        // name && this.updateKeepAliveName(to);
        // to.meta.isKeepAlive && this.addKeepAliveName(to);
      }
      // }
      !isReplace && tabStore.addTabs(tabsParams);
      !isReplace && to.meta.isKeepAlive && this.addKeepAliveName(to);
    },
    async computedKeepAliveNamePro(to, from) {
      const tabStore = useTabsStore();
      const tabsMenuList = [...tabStore.tabsMenuList];
      let isReplace = false;

      // --- 生成 tab 参数 ---
      const tabsParams = {
        icon: to.meta.icon as string,
        title: to.meta.title as string,
        path: to.fullPath,
        fullPath: to.fullPath,
        name: to.name as string,
        close: !to.meta.isAffix,
        query: to.query
      };

      if (to.meta.needLock && Number(to.query?.id)) {
        tabsParams["needLock"] = to.meta.needLock;
        tabsParams["keyword"] = String(to.meta.billtype);
        tabsParams["billid"] = Number(to.query.id);
        tabsParams["billcode"] = String(to.query.code);
      }

      // --- 工具函数 ---
      const getBillCode = route => route?.query?.code || "";
      const getBillType = route => {
        const pathMatch = route?.fullPath?.match(/\/([a-zA-Z]+)\/(detail|edit|copy|index)/);
        return pathMatch ? pathMatch[1] : "";
      }; // 改为 meta 管理类型更可靠
      const isSameBill = (code1, type1, code2, type2) =>
        !!code1 && !!code2 && code1 === code2 && !!type1 && !!type2 && type1 === type2;

      const toBillCode = getBillCode(to);
      const fromBillCode = getBillCode(from);
      const toBillType = getBillType(to);
      const fromBillType = getBillType(from);

      // --- 查找 tab 工具函数 ---
      const findTabIndex = (tabType: "edit" | "detail" | "copy") => {
        return tabsMenuList.findIndex(item => {
          const itemBillCode = getBillCode(item);
          const itemBillType = getBillType(item);
          const isTypeMatch =
            (tabType === "edit" && item.path.includes("/edit")) ||
            (tabType === "detail" && item.path.includes("/detail")) ||
            (tabType === "copy" && item.path.includes("/copy"));
          return isSameBill(itemBillCode, itemBillType, toBillCode, toBillType) && isTypeMatch;
        });
      };

      // --- 替换 tab 并管理 keep-alive ---
      const replaceTab = (index: number) => {
        const oldTab = tabsMenuList[index];
        tabsMenuList[index] = tabsParams;
        tabStore.setTabs(tabsMenuList);

        if (oldTab?.name) {
          this.removeKeepAliveName(oldTab); // 移除旧缓存
        }

        if (to.meta.isKeepAlive) {
          this.addKeepAliveName(to);
          this.updateKeepAliveName(to);
        }

        isReplace = true;
      };

      // --- 解锁单据 ---
      const unlockBill = async route => {
        if (route?.meta?.needLock && route?.query?.id) {
          try {
            await UnLockBill({
              keyword: String(route.meta.billtype),
              billid: Number(route.query.id),
              billcode: String(route.query.code)
            });
          } catch (err) {
            console.warn("解锁单据失败:", err);
          }
        }
      };

      // --- 逻辑判断 ---
      const fromName = from?.name || "";

      // 情况1: 列表 -> 详情
      if ((!from || fromNameIncludes(from, "/index")) && toNameIncludes(to, "/detail") && toBillCode) {
        const editTabIndex = findTabIndex("edit");
        if (editTabIndex > -1) {
          await unlockBill(tabsMenuList[editTabIndex]);
          replaceTab(editTabIndex);
        }
      }

      // 情况2: 详情 -> 编辑
      if (
        fromName &&
        toNameIncludes(to, "/edit") &&
        fromNameIncludes(from, "/detail") &&
        isSameBill(toBillCode, toBillType, fromBillCode, fromBillType)
      ) {
        const detailTabIndex = findTabIndex("detail");
        if (detailTabIndex > -1) replaceTab(detailTabIndex);
      }

      // 情况3: 编辑 -> 详情
      if (
        fromName &&
        fromNameIncludes(from, "/edit") &&
        toNameIncludes(to, "/detail") &&
        isSameBill(toBillCode, toBillType, fromBillCode, fromBillType)
      ) {
        const editTabIndex = findTabIndex("edit");
        if (editTabIndex > -1) {
          await unlockBill(from); // 保证顺序
          replaceTab(editTabIndex);
        }
      }

      // 情况4: 列表 -> 编辑
      if ((!from || fromNameIncludes(from, "/index")) && toNameIncludes(to, "/edit") && toBillCode) {
        const detailTabIndex = findTabIndex("detail");
        if (detailTabIndex > -1) replaceTab(detailTabIndex);
      }

      // 情况5: 复制 -> 详情
      if (fromNameIncludes(from, "/copy") && toNameIncludes(to, "/detail") && to.query?.fromCopySave) {
        const copyTabIndex = tabsMenuList.findIndex(item => item.path === from.fullPath);
        if (copyTabIndex > -1) replaceTab(copyTabIndex);
      }

      // 默认添加 tab
      if (!isReplace) {
        tabStore.addTabs(tabsParams);
        if (to.meta.isKeepAlive) {
          this.addKeepAliveName(to);
        }
      }

      // --- 辅助函数: 判断 route.name 类型 ---
      function toNameIncludes(route, type: string) {
        return route?.fullPath?.toString().toLowerCase().includes(type);
      }
      function fromNameIncludes(route, type: string) {
        return route?.fullPath?.toString().toLowerCase().includes(type);
      }
    }
  }
});