/*
Copyright (C) 2017  Cloudbase Solutions SRL
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

import { observable, action, runInAction } from "mobx";
import type { Project, RoleAssignment, Role } from "@src/@types/Project";
import type { User } from "@src/@types/User";

import ProjectSource from "@src/sources/ProjectSource";
import userStore from "./UserStore";

class ProjectStore {
  @observable projects: Project[] = [];

  @observable loading = false;

  @observable roleAssignments: RoleAssignment[] = [];

  @observable roles: Role[] = [];

  @observable projectDetails: Project | null = null;

  @observable users: User[] = [];

  @observable usersLoading = false;

  @observable updating = false;

  @action async getProjects(options?: {
    showLoading?: boolean;
    skipLog?: boolean;
  }) {
    if (options && options.showLoading) this.loading = true;
    try {
      const projects = await ProjectSource.getProjects(
        options && options.skipLog
      );
      runInAction(() => {
        this.loading = false;
        this.projects = projects;
      });
    } catch (e) {
      runInAction(() => {
        this.loading = false;
      });
    }
  }

  @action async getRoleAssignments(options?: { skipLog?: boolean }) {
    const assignments = await ProjectSource.getRoleAssignments(
      options && options.skipLog
    );
    runInAction(() => {
      this.roleAssignments = assignments;
    });
  }

  @action async getRoles() {
    const roles = await ProjectSource.getRoles();
    runInAction(() => {
      this.roles = roles;
    });
  }

  @action async getProjectDetails(projectId: string) {
    this.loading = true;
    try {
      const project = await ProjectSource.getProjectDetails(projectId);
      runInAction(() => {
        this.projectDetails = project;
        this.loading = false;
      });
    } catch (e) {
      runInAction(() => {
        this.loading = false;
      });
    }
  }

  @action async getUsers(projectId: string, showLoading?: boolean) {
    if (showLoading) this.usersLoading = true;
    try {
      const users = await ProjectSource.getUsers(projectId);
      runInAction(() => {
        this.usersLoading = false;
        this.users = users;
      });
    } catch (e) {
      runInAction(() => {
        this.usersLoading = false;
      });
    }
  }

  @action clearProjectDetails() {
    this.projectDetails = null;
    this.users = [];
  }

  @action async removeUser(
    projectId: string,
    userId: string,
    roleIds: string[]
  ) {
    await ProjectSource.removeUser(projectId, userId, roleIds);
    runInAction(() => {
      this.users = this.users.filter(u => u.id !== userId);
    });
  }

  @action async assignUserRole(
    projectId: string,
    userId: string,
    roleId: string
  ) {
    await ProjectSource.assignUser(projectId, userId, roleId);
  }

  @action async removeUserRole(
    projectId: string,
    userId: string,
    roleId: string
  ) {
    await ProjectSource.removeUser(projectId, userId, [roleId]);
  }

  @action async update(projectId: string, project: Project) {
    this.updating = true;
    try {
      const updatedProject = await ProjectSource.update(projectId, project);
      runInAction(() => {
        this.projectDetails = updatedProject;
        this.updating = false;
      });
    } catch (e) {
      runInAction(() => {
        this.updating = false;
      });
    }
  }

  @action async delete(projectId: string) {
    await ProjectSource.delete(projectId);
  }

  @action async add(project: Project) {
    this.updating = true;
    const userId = userStore.loggedUser ? userStore.loggedUser.id : "undefined";
    try {
      const addedProject = await ProjectSource.add(project, userId);
      runInAction(() => {
        if (!this.projects.find(p => p.id === addedProject.id)) {
          let projects = this.projects;
          projects = [...projects, addedProject];
          projects.sort((a, b) => a.name.localeCompare(b.name));
          this.projects = [...projects];
        }
        this.updating = false;
      });
      return addedProject;
    } catch (e) {
      runInAction(() => {
        this.updating = false;
      });
      throw e;
    }
  }
}

export default new ProjectStore();