import { action, computed, observable, makeObservable, runInAction } from "mobx";
import { RootStore } from "../root.store";
// types
import { IWorkspace } from "types";
// services
import { WorkspaceService } from "services/workspace.service";
// sub-stores
import { WebhookStore } from "./webhook.store";
import { ApiTokenStore } from "./api-token.store";

export interface IWorkspaceStore {
  // states
  loader: boolean;
  error: any | null;

  // observables
  workspaces: IWorkspace[] | undefined;

  // computed
  currentWorkspace: IWorkspace | null;
  workspacesCreatedByCurrentUser: IWorkspace[] | null;

  // computed actions
  getWorkspaceBySlug: (workspaceSlug: string) => IWorkspace | null;
  getWorkspaceById: (workspaceId: string) => IWorkspace | null;

  // actions
  fetchWorkspaces: () => Promise<IWorkspace[]>;
  createWorkspace: (data: Partial<IWorkspace>) => Promise<IWorkspace>;
  updateWorkspace: (workspaceSlug: string, data: Partial<IWorkspace>) => Promise<IWorkspace>;
  deleteWorkspace: (workspaceSlug: string) => Promise<void>;

  // sub-stores
  webhook: WebhookStore;
  apiToken: ApiTokenStore;
}

export class WorkspaceStore implements IWorkspaceStore {
  // states
  loader: boolean = false;
  error: any | null = null;

  // observables
  workspaces: IWorkspace[] | undefined = [];

  // services
  workspaceService;
  // root store
  rootStore;
  // sub-stores
  webhook: WebhookStore;
  apiToken: ApiTokenStore;

  constructor(_rootStore: RootStore) {
    makeObservable(this, {
      // states
      loader: observable.ref,
      error: observable.ref,

      // observables
      workspaces: observable,

      // computed
      currentWorkspace: computed,
      workspacesCreatedByCurrentUser: computed,

      // computed actions
      getWorkspaceBySlug: action,
      getWorkspaceById: action,

      // actions
      fetchWorkspaces: action,
      createWorkspace: action,
      updateWorkspace: action,
      deleteWorkspace: action,
    });

    // services
    this.workspaceService = new WorkspaceService();
    // root store
    this.rootStore = _rootStore;
    // sub-stores
    this.webhook = new WebhookStore(_rootStore);
    this.apiToken = new ApiTokenStore(_rootStore);
  }

  /**
   * computed value of current workspace based on workspace slug saved in the query store
   */
  get currentWorkspace() {
    const workspaceSlug = this.rootStore.app.router.query?.workspaceSlug;

    if (!workspaceSlug) return null;

    return this.workspaces?.find((workspace) => workspace.slug === workspaceSlug.toString()) || null;
  }

  /**
   * computed value of all the workspaces created by the current logged in user
   */
  get workspacesCreatedByCurrentUser() {
    if (!this.workspaces) return null;

    const user = this.rootStore.user.currentUser;

    if (!user) return null;

    return this.workspaces.filter((w) => w.created_by === user?.id);
  }

  /**
   * get workspace info from the array of workspaces in the store using workspace slug
   * @param workspaceSlug
   */
  getWorkspaceBySlug = (workspaceSlug: string) => this.workspaces?.find((w) => w.slug == workspaceSlug) || null;

  /**
   * get workspace info from the array of workspaces in the store using workspace id
   * @param workspaceId
   */
  getWorkspaceById = (workspaceId: string) => this.workspaces?.find((w) => w.id == workspaceId) || null;

  /**
   * fetch user workspaces from API
   */
  fetchWorkspaces = async () => {
    try {
      this.loader = true;
      this.error = null;

      const workspaceResponse = await this.workspaceService.userWorkspaces();

      runInAction(() => {
        this.workspaces = workspaceResponse;
        this.loader = false;
        this.error = null;
      });

      return workspaceResponse;
    } catch (error) {
      console.log("Failed to fetch user workspaces in workspace store", error);

      runInAction(() => {
        this.loader = false;
        this.error = error;
        this.workspaces = [];
      });

      throw error;
    }
  };

  /**
   * create workspace using the workspace data
   * @param data
   */
  createWorkspace = async (data: Partial<IWorkspace>) => {
    try {
      runInAction(() => {
        this.loader = true;
        this.error = null;
      });

      const response = await this.workspaceService.createWorkspace(data);

      runInAction(() => {
        this.loader = false;
        this.error = null;
        this.workspaces = [...(this.workspaces ?? []), response];
      });

      return response;
    } catch (error) {
      runInAction(() => {
        this.loader = false;
        this.error = error;
      });

      throw error;
    }
  };

  /**
   * update workspace using the workspace slug and new workspace data
   * @param workspaceSlug
   * @param data
   */
  updateWorkspace = async (workspaceSlug: string, data: Partial<IWorkspace>) => {
    const newWorkspaces = this.workspaces?.map((w) => (w.slug === workspaceSlug ? { ...w, ...data } : w));

    try {
      runInAction(() => {
        this.loader = true;
        this.error = null;
      });

      const response = await this.workspaceService.updateWorkspace(workspaceSlug, data);

      runInAction(() => {
        this.loader = false;
        this.error = null;
        this.workspaces = newWorkspaces;
      });

      return response;
    } catch (error) {
      runInAction(() => {
        this.loader = false;
        this.error = error;
      });

      throw error;
    }
  };

  /**
   * delete workspace using the workspace slug
   * @param workspaceSlug
   */
  deleteWorkspace = async (workspaceSlug: string) => {
    const newWorkspaces = this.workspaces?.filter((w) => w.slug !== workspaceSlug);

    try {
      runInAction(() => {
        this.loader = true;
        this.error = null;
      });

      await this.workspaceService.deleteWorkspace(workspaceSlug);

      runInAction(() => {
        this.loader = false;
        this.error = null;
        this.workspaces = newWorkspaces;
      });
    } catch (error) {
      runInAction(() => {
        this.loader = false;
        this.error = error;
      });

      throw error;
    }
  };
}