const state = {
  visitedViews: [],
  cachedViews: [],
};

const mutations = {
  ADD_VISITED_VIEW: (state, view) => {
    // 只对/querymanage/queryFormNew路由采用fullpath，其他路由采用path作为判断依据
    const isQueryFormNew = view.path === "/querymanage/queryFormNew";
    const keyToUse = isQueryFormNew ? "fullPath" : "path";

    if (state.visitedViews.some((v) => v[keyToUse] === view[keyToUse])) return;
    let title = view.meta.title || "no-name";

    // 为 /querymanage/queryFormNew 路由设置动态标题
    if (isQueryFormNew) {
      title = view.query.name || view.meta.title || "查询表单";
    }

    state.visitedViews.push(
      Object.assign({}, view, {
        title: title,
      })
    );
  },
  ADD_CACHED_VIEW: (state, view) => {
    if (state.cachedViews.includes(view.name)) return;
    if (view.meta && !view.meta.noCache) {
      state.cachedViews.push(view.name);
    }
  },

  DEL_VISITED_VIEW: (state, view) => {
    for (const [i, v] of state.visitedViews.entries()) {
      // 只对/querymanage/queryFormNew路由采用fullpath，其他路由采用path作为判断依据
      const isQueryFormNew = view.path === "/querymanage/queryFormNew";
      const keyToUse = isQueryFormNew ? "fullPath" : "path";

      if (v[keyToUse] === view[keyToUse]) {
        state.visitedViews.splice(i, 1);
        break;
      }
    }
  },
  DEL_CACHED_VIEW: (state, view) => {
    const index = state.cachedViews.indexOf(view.name);
    index > -1 && state.cachedViews.splice(index, 1);
  },

  DEL_OTHERS_VISITED_VIEWS: (state, view) => {
    // 只对/querymanage/queryFormNew路由采用fullpath，其他路由采用path作为判断依据
    const isQueryFormNew = view.path === "/querymanage/queryFormNew";
    const keyToUse = isQueryFormNew ? "fullPath" : "path";

    state.visitedViews = state.visitedViews.filter((v) => {
      return v.meta.affix || v[keyToUse] === view[keyToUse];
    });
  },
  DEL_OTHERS_CACHED_VIEWS: (state, view) => {
    const index = state.cachedViews.indexOf(view.name);
    if (index > -1) {
      state.cachedViews = state.cachedViews.slice(index, index + 1);
    } else {
      state.cachedViews = [];
    }
  },

  DEL_ALL_VISITED_VIEWS: (state) => {
    // keep affix tags
    const affixTags = state.visitedViews.filter((tag) => tag.meta.affix);
    state.visitedViews = affixTags;
  },
  DEL_ALL_CACHED_VIEWS: (state) => {
    state.cachedViews = [];
  },

  UPDATE_VISITED_VIEW: (state, view) => {
    // 只对/querymanage/queryFormNew路由采用fullpath，其他路由采用path作为判断依据
    const isQueryFormNew = view.path === "/querymanage/queryFormNew";
    const keyToUse = isQueryFormNew ? "fullPath" : "path";

    for (let v of state.visitedViews) {
      if (v[keyToUse] === view[keyToUse]) {
        // 为 /querymanage/queryFormNew 路由更新动态标题
        if (isQueryFormNew) {
          v.title = view.query.name || view.meta.title || "查询表单";
        }
        // 更新view的所有属性，包括fullPath和query参数
        Object.assign(v, view);
        break;
      }
    }
  },

  DEL_RIGHT_VIEWS: (state, view) => {
    // 只对/querymanage/queryFormNew路由采用fullpath，其他路由采用path作为判断依据
    const isQueryFormNew = view.path === "/querymanage/queryFormNew";
    const keyToUse = isQueryFormNew ? "fullPath" : "path";

    const index = state.visitedViews.findIndex(
      (v) => v[keyToUse] === view[keyToUse]
    );
    if (index === -1) {
      return;
    }
    state.visitedViews = state.visitedViews.filter((item, idx) => {
      if (idx <= index || (item.meta && item.meta.affix)) {
        return true;
      }
      const i = state.cachedViews.indexOf(item.name);
      if (i > -1) {
        state.cachedViews.splice(i, 1);
      }
      return false;
    });
  },

  DEL_LEFT_VIEWS: (state, view) => {
    // 只对/querymanage/queryFormNew路由采用fullpath，其他路由采用path作为判断依据
    const isQueryFormNew = view.path === "/querymanage/queryFormNew";
    const keyToUse = isQueryFormNew ? "fullPath" : "path";

    const index = state.visitedViews.findIndex(
      (v) => v[keyToUse] === view[keyToUse]
    );
    if (index === -1) {
      return;
    }
    state.visitedViews = state.visitedViews.filter((item, idx) => {
      if (idx >= index || (item.meta && item.meta.affix)) {
        return true;
      }
      const i = state.cachedViews.indexOf(item.name);
      if (i > -1) {
        state.cachedViews.splice(i, 1);
      }
      return false;
    });
  },
};

const actions = {
  addView({ dispatch }, view) {
    dispatch("addVisitedView", view);
    dispatch("addCachedView", view);
  },
  addVisitedView({ commit }, view) {
    commit("ADD_VISITED_VIEW", view);
  },
  addCachedView({ commit }, view) {
    commit("ADD_CACHED_VIEW", view);
  },

  delView({ dispatch, state }, view) {
    return new Promise((resolve) => {
      dispatch("delVisitedView", view);
      dispatch("delCachedView", view);
      resolve({
        visitedViews: [...state.visitedViews],
        cachedViews: [...state.cachedViews],
      });
    });
  },
  delVisitedView({ commit, state }, view) {
    return new Promise((resolve) => {
      commit("DEL_VISITED_VIEW", view);
      resolve([...state.visitedViews]);
    });
  },
  delCachedView({ commit, state }, view) {
    return new Promise((resolve) => {
      commit("DEL_CACHED_VIEW", view);
      resolve([...state.cachedViews]);
    });
  },

  delOthersViews({ dispatch, state }, view) {
    return new Promise((resolve) => {
      dispatch("delOthersVisitedViews", view);
      dispatch("delOthersCachedViews", view);
      resolve({
        visitedViews: [...state.visitedViews],
        cachedViews: [...state.cachedViews],
      });
    });
  },
  delOthersVisitedViews({ commit, state }, view) {
    return new Promise((resolve) => {
      commit("DEL_OTHERS_VISITED_VIEWS", view);
      resolve([...state.visitedViews]);
    });
  },
  delOthersCachedViews({ commit, state }, view) {
    return new Promise((resolve) => {
      commit("DEL_OTHERS_CACHED_VIEWS", view);
      resolve([...state.cachedViews]);
    });
  },

  delAllViews({ dispatch, state }, view) {
    return new Promise((resolve) => {
      dispatch("delAllVisitedViews", view);
      dispatch("delAllCachedViews", view);
      resolve({
        visitedViews: [...state.visitedViews],
        cachedViews: [...state.cachedViews],
      });
    });
  },
  delAllVisitedViews({ commit, state }) {
    return new Promise((resolve) => {
      commit("DEL_ALL_VISITED_VIEWS");
      resolve([...state.visitedViews]);
    });
  },
  delAllCachedViews({ commit, state }) {
    return new Promise((resolve) => {
      commit("DEL_ALL_CACHED_VIEWS");
      resolve([...state.cachedViews]);
    });
  },

  updateVisitedView({ commit }, view) {
    commit("UPDATE_VISITED_VIEW", view);
  },

  delRightTags({ commit }, view) {
    return new Promise((resolve) => {
      commit("DEL_RIGHT_VIEWS", view);
      resolve([...state.visitedViews]);
    });
  },

  delLeftTags({ commit }, view) {
    return new Promise((resolve) => {
      commit("DEL_LEFT_VIEWS", view);
      resolve([...state.visitedViews]);
    });
  },
};

export default {
  namespaced: true,
  state,
  mutations,
  actions,
};
