/* This is Free Software under GNU Affero General Public License v >= 3.0
 * without warranty, see README.md and license for details.
 *
 * SPDX-License-Identifier: AGPL-3.0-or-later
 * License-Filename: LICENSES/AGPL-3.0.txt
 *
 * Copyright (C) 2018 by via donau
 *   – Österreichische Wasserstraßen-Gesellschaft mbH
 * Software engineering by Intevation GmbH
 *
 * Author(s):
 * Thomas Junk <thomas.junk@intevation.de>
 * Markus Kottländer <markus@intevation.de>
 */

import { HTTP } from "@/lib/http";

// initial state
const init = () => {
  return {
    users: null,
    currentUser: null,
    userDetailsVisible: false
  };
};

const newUser = () => {
  return {
    user: "",
    email: "",
    country: null,
    role: null,
    isNew: true,
    password: "",
    roleLabel: "",
    active: true
  };
};

export default {
  init,
  namespaced: true,
  state: init(),
  getters: {
    userCountries: state => {
      if (!state.users) return [];
      return state.users.reduce((o, n) => {
        o[n.user] = n.role !== "sys_admin" ? n.country : "global";
        return o;
      }, {});
    },
    isUserDetailsVisible: state => {
      return state.userDetailsVisible;
    },
    currentUser: state => {
      return state.currentUser;
    },
    users: state => {
      return state.users;
    },
    getUserByName: state => name => {
      return state.users.find(user => {
        return user.user === name;
      });
    }
  },
  mutations: {
    setUserDetailsInvisible: state => {
      state.userDetailsVisible = false;
    },
    setUserDetailsVisible: state => {
      state.userDetailsVisible = true;
    },
    usersLoaded: (state, data) => {
      const resolveLabel = x => {
        const labels = {
          waterway_user: "Waterway User",
          waterway_admin: "Waterway Administrator",
          sys_admin: "System Admininistrator"
        };
        return labels[x];
      };
      let users = data.users.map(u => {
        u["roleLabel"] = resolveLabel(u["role"]);
        return u;
      });
      state.users = users;
    },
    setCurrentUser: (state, data) => {
      state.currentUser = data;
      state.userDetailsVisible = true;
    },
    clearCurrentUser: state => {
      state.currentUser = newUser();
    }
  },
  actions: {
    deleteUser({ commit }, data) {
      const { name } = data;
      return new Promise((resolve, reject) => {
        HTTP.delete("/users/" + encodeURIComponent(`${name}`), {
          headers: { "X-Gemma-Auth": localStorage.getItem("token") }
        })
          .then(response => {
            commit("clearCurrentUser");
            commit("setUserDetailsInvisible");
            resolve(response);
          })
          .catch(error => {
            reject(error);
          });
      });
    },
    saveCurrentUser({ commit }, data) {
      const { path, user } = data;
      if (user.isNew) {
        return new Promise((resolve, reject) => {
          HTTP.post("/users", user, {
            headers: {
              "X-Gemma-Auth": localStorage.getItem("token")
            }
          })
            .then(response => {
              commit("setUserDetailsInvisible");
              commit("clearCurrentUser");
              resolve(response);
            })
            .catch(error => {
              reject(error);
            });
        });
      } else {
        return new Promise((resolve, reject) => {
          // Reactivate User
          if (!user.active) {
            HTTP.patch(
              "/users/" + path,
              { active: true, email: user.email },
              {
                headers: {
                  "X-Gemma-Auth": localStorage.getItem("token")
                }
              }
            )
              .then(response => {
                commit("setUserDetailsInvisible");
                commit("clearCurrentUser");
                resolve(response);
              })
              .catch(error => {
                reject(error);
              });
          } else {
            HTTP.put("/users/" + path, user, {
              headers: { "X-Gemma-Auth": localStorage.getItem("token") }
            })
              .then(response => {
                commit("setUserDetailsInvisible");
                commit("clearCurrentUser");
                resolve(response);
              })
              .catch(error => {
                reject(error);
              });
          }
        });
      }
    },
    loadUsers({ commit }) {
      return new Promise((resolve, reject) => {
        HTTP.get("/users", {
          headers: { "X-Gemma-Auth": localStorage.getItem("token") }
        })
          .then(response => {
            commit("usersLoaded", response.data);
            resolve(response);
          })
          .catch(error => {
            reject(error);
          });
      });
    }
  }
};