import { uxtestingService } from 'App/services';
import {
  UxTask,
  UxTSearchFilters,
  UxTListEntry,
  UxTest,
} from 'App/services/UxtestingService';
import { makeAutoObservable } from 'mobx';
import Session from 'Types/session';

interface Stats {
  completed_all_tasks: number;
  tasks_completed: number;
  tasks_skipped: number;
  tests_attempts: number;
  tests_skipped: number;
}

interface TaskStats {
  taskId: number;
  title: string;
  completed: number;
  avgCompletionTime: number;
  skipped: number;
}

interface Response {
  user_id: string | null;
  status: string;
  comment: string;
  timestamp: number;
  duration: number;
}

const defaultGuidelines = '';
const defaultConclusion =
  "Thank you for your feedback. It's very important and will help us improve our product.";

export default class UxtestingStore {
  client = uxtestingService;

  tests: UxTListEntry[] = [];

  instance: UxTestInst | null = null;

  instanceCreationSiteId = '';

  page: number = 1;

  total: number = 0;

  pageSize: number = 10;

  searchQuery: string = '';

  testStats: Stats | null = null;

  testSessions: { list: Session[]; total: number; page: number } = {
    list: [],
    total: 0,
    page: 1,
  };

  testAssistSessions: { list: Session[]; total: number; page: number } = {
    list: [],
    total: 0,
    page: 1,
  };

  taskStats: TaskStats[] = [];

  isLoading: boolean = false;

  responses: Record<number, { list: Response[]; total: number }> = {};

  hideDevtools: boolean =
    localStorage.getItem('or_devtools_uxt_toggle') === '1';

  constructor() {
    makeAutoObservable(this);
  }

  isUxt() {
    const queryParams = new URLSearchParams(document.location.search);
    return queryParams.has('uxt');
  }

  setHideDevtools(hide: boolean) {
    this.hideDevtools = hide;
  }

  setLoading(loading: boolean) {
    this.isLoading = loading;
  }

  setList(tests: UxTListEntry[]) {
    this.tests = tests;
  }

  setTotal(total: number) {
    this.total = total;
  }

  setPage(page: number) {
    this.page = page;
  }

  updateTestStatus = async (status: string) => {
    if (!this.instance) return;
    this.setLoading(true);
    try {
      const test: UxTest = {
        ...this.instance!,
        status,
      };
      this.updateInstStatus(status);
      await this.client.updateTest(this.instance.testId!, test);
    } catch (e) {
      console.error(e);
    } finally {
      this.setLoading(false);
    }
  };

  updateTest = async (test: UxTestInst, isPreview?: boolean) => {
    if (!this.instance) return;
    this.setLoading(true);
    try {
      if (!isPreview) {
        this.instance.setProperty('status', 'in-progress');
      }
      await this.client.updateTest(this.instance.testId!, test);
      return test.testId;
    } catch (e) {
      console.error(e);
    } finally {
      this.setLoading(false);
    }
  };

  updateInstStatus = (status: string) => {
    if (!this.instance) return;
    this.instance.setProperty('status', status);
  };

  fetchResponses = async (
    testId: number,
    taskId: number,
    page: number,
    query?: string,
  ) => {
    try {
      this.responses[taskId] = await this.client.fetchTaskResponses(
        testId,
        taskId,
        page,
        10,
        query,
      );
    } catch (e) {
      console.error(e);
    }
  };

  initNewTest(title: string, description: string, siteId: string) {
    this.instanceCreationSiteId = siteId;
    const initialData = {
      title,
      startingPath: 'https://',
      requireMic: false,
      requireCamera: false,
      description,
      guidelines: defaultGuidelines,
      conclusionMessage: defaultConclusion,
      visibility: true,
      tasks: [],
    };
    this.setInstance(new UxTestInst(initialData));
  }

  deleteTest = async (testId: number) => this.client.deleteTest(testId);

  setInstance(instance: UxTestInst) {
    this.instance = instance;
  }

  setQuery(query: string) {
    this.searchQuery = query;
  }

  getList = async () => {
    this.setLoading(true);
    try {
      const filters: Partial<UxTSearchFilters> = {
        query: this.searchQuery,
        page: this.page,
        limit: this.pageSize,
        sortBy: 'created_at',
        sortOrder: 'desc',
      };
      const { list, total } = await this.client.fetchTestsList(filters);
      this.setList(list);
      this.setTotal(total);
    } catch (e) {
      console.error(e);
    } finally {
      this.setLoading(false);
    }
  };

  createNewTest = async (isPreview?: boolean) => {
    this.setLoading(true);
    try {
      // @ts-ignore
      return await this.client.createTest({
        ...this.instance,
        status: isPreview ? 'preview' : 'in-progress',
      });
    } catch (e) {
      console.error(e);
    } finally {
      this.setLoading(false);
    }
  };

  getTestData = async (testId: string) => {
    this.setLoading(true);
    try {
      const test = await this.client.fetchTest(testId);
      this.setInstance(new UxTestInst(test));
      return this.instance;
    } catch (e) {
      console.error(e);
    } finally {
      this.setLoading(false);
    }
  };

  setTestStats(stats: Stats) {
    this.testStats = stats;
  }

  setTaskStats(stats: TaskStats[]) {
    this.taskStats = stats;
  }

  setTestSessions(sessions: { list: Session[]; total: number; page: number }) {
    this.testSessions = sessions;
  }

  setSessionsPage(page: number) {
    this.testSessions.page = page;
    this.client
      .fetchTestSessions(
        this.instance!.testId!.toString(),
        this.testSessions.page,
        10,
      )
      .then((result) => {
        this.setTestSessions(result);
      });
  }

  setAssistSessions = (data: {
    sessions: Session[];
    total: number;
    page: number;
  }) => {
    this.testAssistSessions = {
      list: data.sessions.map((s: any) => new Session({ ...s, metadata: {} })),
      total: data.total,
      page: data.page,
    };
  };

  getAssistSessions = async (testId: string, page: number, userId?: string) => {
    try {
      const sessions = await this.client.fetchTestSessions(
        testId,
        page,
        10,
        true,
        userId,
      );
      this.setAssistSessions(sessions);
    } catch (e) {
      console.error(e);
    }
  };

  getTest = async (testId: string) => {
    this.setLoading(true);
    try {
      const testPr = this.client.fetchTest(testId);
      const statsPr = this.client.fetchTestStats(testId);
      const taskStatsPr = this.client.fetchTestTaskStats(testId);
      const sessionsPr = this.client.fetchTestSessions(
        testId,
        this.testSessions.page,
        10,
      );
      return Promise.allSettled([testPr, statsPr, taskStatsPr, sessionsPr])
        .then((results) => {
          if (results[0].status === 'fulfilled') {
            const test = results[0].value;
            if (test) {
              this.setInstance(new UxTestInst(test));
            }
          } else {
            throw 'Test not found';
          }
          if (results[1].status === 'fulfilled') {
            const stats = results[1].value;
            if (stats) {
              this.setTestStats(stats);
            }
          }
          if (results[2].status === 'fulfilled') {
            const taskStats = results[2].value;
            if (taskStats) {
              this.setTaskStats(
                taskStats.sort((a: any, b: any) => a.taskId - b.taskId),
              );
            }
          }
          if (results[3].status === 'fulfilled') {
            const { total, page, sessions } = results[3].value;
            if (sessions) {
              const result = {
                list: sessions.map(
                  (s: any) => new Session({ ...s, metadata: {} }),
                ),
                total,
                page,
              };
              this.setTestSessions(result);
            }
          }
        })
        .then(() => true);
    } catch (e) {
      console.error(e);
      return false;
    } finally {
      this.setLoading(false);
    }
  };
}

class UxTestInst {
  title: string = '';

  requireMic: boolean = false;

  requireCamera: boolean = false;

  description: string = '';

  guidelines: string = '';

  visibility: boolean = false;

  tasks: UxTask[] = [];

  status: string;

  startingPath: string;

  testId?: number;

  responsesCount?: number;

  liveCount?: number;

  conclusionMessage: string;

  constructor(initialData: Partial<UxTestInst> = {}) {
    makeAutoObservable(this);
    Object.assign(this, initialData);
  }

  setProperty<T extends keyof UxTestInst>(key: T, value: UxTestInst[T]) {
    (this[key] as UxTestInst[T]) = value;
  }
}