import { action, makeAutoObservable, observable, runInAction } from 'mobx';
import { sessionService } from 'App/services';
import { Note } from 'App/services/NotesService';
import Session from 'Types/session';
import ErrorStack from 'Types/session/errorStack';
import { InjectedEvent, Location } from 'Types/session/event';
import {
  cleanSessionFilters,
  compareJsonObjects,
  getRE,
  getSessionFilter,
  setSessionFilter,
} from 'App/utils';
import { loadFile } from 'App/player/web/network/loadFiles';
import { LAST_7_DAYS } from 'Types/app/period';
import { filterMap } from 'App/mstore/searchStore';
import { clean as cleanParams } from "../api_client";
import { searchStore, searchStoreLive } from "./index";
import { getDateRangeFromValue } from 'App/dateRange';
const range = getDateRangeFromValue(LAST_7_DAYS);

const defaultDateFilters = {
  url: '',
  rangeValue: LAST_7_DAYS,
  startDate: range.start?.toMillis(),
  endDate: range.end?.toMillis(),
};

class UserFilter {
  endDate: number = new Date().getTime();
  startDate: number = new Date().getTime() - 24 * 60 * 60 * 1000;
  rangeName: string = LAST_7_DAYS;
  filters: any = [];
  page: number = 1;
  limit: number = 10;
  period: any = { rangeName: LAST_7_DAYS };
  constructor() {
    makeAutoObservable(this);
  }
  update(key: string, value: any) {
    // @ts-ignore
    this[key] = value;
    if (key === 'period') {
      this.startDate = this.period.start;
      this.endDate = this.period.end;
    }
  }
  setFilters(filters: any[]) {
    this.filters = filters;
  }
  setPage(page: number) {
    this.page = page;
  }
  toJson() {
    return {
      endDate: this.period.end,
      startDate: this.period.start,
      filters: this.filters.map(filterMap),
      page: this.page,
      limit: this.limit,
    };
  }
}

interface BaseDevState {
  index: number;
  filter: string;
  activeTab: string;
  isError: boolean;
}

class DevTools {
  network: BaseDevState;
  stackEvent: BaseDevState;
  console: BaseDevState;

  constructor() {
    this.network = { index: 0, filter: '', activeTab: 'ALL', isError: false };
    this.stackEvent = {
      index: 0,
      filter: '',
      activeTab: 'ALL',
      isError: false,
    };
    this.console = { index: 0, filter: '', activeTab: 'ALL', isError: false };
    makeAutoObservable(this, {
      update: action,
    });
  }

  update(key: string, value: any) {
    // @ts-ignore
    this[key] = Object.assign(this[key], value);
  }
}

interface Bookmarks {
  list: Session[];
  page: number;
  total: number;
  pageSize: number;
  loading: boolean;
}

export default class SessionStore {
  userFilter: UserFilter = new UserFilter();
  devTools: DevTools = new DevTools();
  list: Session[] = [];
  bookmarks: Bookmarks = { list: [], page: 1, total: 0, pageSize: 10, loading: false };
  sessionIds: string[] = [];
  current = new Session();
  total = 0;
  totalLiveSessions = 0;
  favoriteList: Session[] = [];
  activeTab = { name: 'All', type: 'all' }
  timezone = 'local';
  errorStack: ErrorStack[] = [];
  eventsIndex: number[] = [];
  sourcemapUploaded = true;
  filteredEvents: InjectedEvent[] | null = null;
  eventsQuery = '';
  liveSessions: Session[] = [];
  visitedEvents: Location[] = [];
  insights: any[] = [];
  insightsFilters = defaultDateFilters;
  host = '';
  sessionPath: Record<string, any> = {};
  lastPlayedSessionId: string = '';
  timeLineTooltip = {
    time: 0,
    offset: 0,
    isVisible: false,
    localTime: '',
    userTime: '',
  };
  createNoteTooltip = { time: 0, isVisible: false, isEdit: false, note: null };
  previousId = '';
  nextId = '';
  userTimezone = '';
  prefetchedMobUrls: Record<string, { data: Uint8Array; entryNum: number }> = {};
  prefetched: boolean = false;
  fetchFailed: boolean = false;
  loadingLiveSessions: boolean = false;
  loadingSessions: boolean = false;
  loadingSessionData: boolean = false;

  constructor() {
    makeAutoObservable(this);
  }

  get currentId() {
    return this.current.sessionId;
  }

  setUserTimezone = (timezone: string) => {
    this.userTimezone = timezone;
  }

  resetUserFilter = () => {
    this.userFilter = new UserFilter();
  }

  getFirstMob = async (sessionId: string) => {
    const { domURL } = await sessionService.getFirstMobUrl(sessionId);
    await loadFile(domURL[0], (data) => this.setPrefetchedMobUrl(sessionId, data));
  }

  setPrefetchedMobUrl = (sessionId: string, fileData: Uint8Array) => {
    const keys = Object.keys(this.prefetchedMobUrls);
    const toLimit = 10 - keys.length;
    if (toLimit < 0) {
      const oldest = keys.sort(
        (a, b) =>
          this.prefetchedMobUrls[a].entryNum - this.prefetchedMobUrls[b].entryNum
      )[0];
      delete this.prefetchedMobUrls[oldest];
    }
    const nextEntryNum =
      keys.length > 0
      ? Math.max(...keys.map((key) => this.prefetchedMobUrls[key]?.entryNum || 0)) + 1
      : 0;
    this.prefetchedMobUrls[sessionId] = {
      data: fileData,
      entryNum: nextEntryNum,
    };
  }

  getSessions = (filter: any): Promise<any> => {
    return new Promise((resolve, reject) => {
      sessionService
        .getSessions(filter.toJson?.() || filter)
        .then((response: any) => {
          resolve({
            sessions: response.sessions.map((session: any) => new Session(session)),
            total: response.total,
          });
        })
        .catch((error: any) => {
          reject(error);
        });
    });
  }

  fetchLiveSessions = async (params = {}) => {
    runInAction(() => {
      this.loadingLiveSessions = true;
    })
    try {
      const data: any = await sessionService.getLiveSessions(params);
      this.liveSessions = data.sessions.map((session: any) => new Session({ ...session, live: true }));
      this.totalLiveSessions = data.total;
    } catch (e) {
      console.error(e);
    } finally {
      runInAction(() => {
        this.loadingLiveSessions = false;
      });
    }
  }

  fetchSessions = async (params = {}, force = false) => {
    runInAction(() => {
      this.loadingSessions = true;
    })
    try {
      if (!force) {
        const oldFilters = getSessionFilter();
        if (compareJsonObjects(oldFilters, cleanSessionFilters(params))) {
          return;
        }
      }
      setSessionFilter(cleanSessionFilters(params));
      const data = await sessionService.getSessions(params);
      const list = data.sessions.map((s) => new Session(s));
      runInAction(() => {
        this.list = list;
        this.total = data.total;
        this.sessionIds = data.sessions.map((s) => s.sessionId);
        this.favoriteList = list.filter((s) => s.favorite);
      })
    } catch (e) {
      console.error(e);
    } finally {
      runInAction(() => {
        this.loadingSessions = false;
      });
    }
  }

  clearAll = () => {
    this.list = [];
    this.clearCurrentSession();
  }

  fetchSessionData = async (sessionId: string, isLive = false) => {
    try {
      const filter = isLive ? searchStoreLive.instance : searchStore.instance;
      const data = await sessionService.getSessionInfo(sessionId, isLive);
      const eventsData: Record<string, any[]> = {};
      try {
        const evData = await sessionService.getSessionEvents(sessionId);
        Object.assign(eventsData, evData);
      } catch (e) {
        console.error('Failed to fetch events', e);
      }

      const {
        errors = [],
        events = [],
        issues = [],
        crashes = [],
        resources = [],
        stackEvents = [],
        userEvents = [],
        userTesting = [],
      } = eventsData;

      const filterEvents = filter.events as Record<string, any>[];
      const matching: number[] = [];

      const visitedEvents: Location[] = [];
      const tmpMap = new Set();

      events.forEach((event) => {
        if (event.type === 'LOCATION' && !tmpMap.has(event.url)) {
          tmpMap.add(event.url);
          visitedEvents.push(event as Location);
        }
      });

      filterEvents.forEach(({ key, operator, value }) => {
        events.forEach((e, index) => {
          if (key === e.type) {
            const val = e.type === 'LOCATION' ? e.url : e.value;
            if (operator === 'is' && value === val) {
              matching.push(index);
            }
            if (operator === 'contains' && val.includes(value)) {
              matching.push(index);
            }
          }
        });
      });

      runInAction(() => {
        const session = new Session(data);
        session.addEvents(
          events,
          crashes,
          errors,
          issues,
          resources,
          userEvents,
          stackEvents,
          userTesting
        );
        this.current = session;
        this.eventsIndex = matching;
        this.visitedEvents = visitedEvents;
        this.host = visitedEvents[0]?.host || '';
        this.prefetched = false;
      })
    } catch (e) {
      console.error(e);
      this.fetchFailed = true;
    }
  }

  fetchNotes = async (sessionId: string) => {
    try {
      const notes = await sessionService.getSessionNotes(sessionId);
      if (notes.length > 0) {
        this.current = this.current.addNotes(notes);
      }
    } catch (e) {
      console.error(e);
    }
  }

  fetchFavoriteList = async () => {
    try {
      const data = await sessionService.getFavoriteSessions();
      this.favoriteList = data.map((s: any) => new Session(s));
    } catch (e) {
      console.error(e);
    }
  }

  fetchSessionClickmap = async (sessionId: string, params: any) => {
    try {
      const data = await sessionService.getSessionClickMap(sessionId, params);
      this.insights = data;
    } catch (e) {
      console.error(e);
    }
  }

  setAutoplayValues = () => {
    const currentId = this.current.sessionId;
    const currentIndex = this.sessionIds.indexOf(currentId);

    this.previousId = this.sessionIds[currentIndex - 1] || '';
    this.nextId = this.sessionIds[currentIndex + 1] || '';
  }

  setEventQuery = (filter: { query: string }) => {
    const events = this.current.events;
    const query = filter.query;
    const searchRe = getRE(query, 'i');

    const filteredEvents = query
                           ? events.filter(
        (e) =>
          searchRe.test(e.url) ||
          searchRe.test(e.value) ||
          searchRe.test(e.label) ||
          searchRe.test(e.type) ||
          (e.type === 'LOCATION' && searchRe.test('visited'))
      )
                           : null;

    this.filteredEvents = filteredEvents;
    this.eventsQuery = query;
  }

   toggleFavorite = async (id: string) => {
    try {
      const r = await sessionService.toggleFavorite(id);
      if (r.ok) {
        const list = this.list;
        const current = this.current;
        const sessionIdx = list.findIndex(({ sessionId }) => sessionId === id);
        const session = list[sessionIdx];
        const wasInFavorite =
          this.favoriteList.findIndex(({ sessionId }) => sessionId === id) > -1;

        runInAction(() => {
          if (session) {
            session.favorite = !wasInFavorite;
            this.list[sessionIdx] = session;
          }
          if (current.sessionId === id) {
            this.current.favorite = !wasInFavorite;
          }

          if (wasInFavorite) {
            this.favoriteList = this.favoriteList.filter(
              ({ sessionId }) => sessionId !== id
            );
          } else {
            this.favoriteList.push(session);
          }
        })
      } else {
        console.error(r);
      }
    } catch (e) {
      console.error(e);
    }
  }

  sortSessions = (sortKey: string, sign: number = 1) => {
    const comparator = (s1: Session, s2: Session) => {
      // @ts-ignore
      let diff = s1[sortKey] - s2[sortKey];
      diff = diff === 0 ? s1.startedAt - s2.startedAt : diff;
      return sign * diff;
    };

    this.list = this.list.slice().sort(comparator);
    this.favoriteList = this.favoriteList.slice().sort(comparator);
  }

  setActiveTab = (tab: { type: string, name: string }) => {
    const list =
      tab.type === 'all'
      ? this.list
      : this.list.filter((s) => s.issueTypes.includes(tab.type));

    this.activeTab = tab;
    this.sessionIds = list.map((s) => s.sessionId);
  }

  setTimezone = (tz: string) => {
    this.timezone = tz;
  }

  fetchInsights = async (params = {}) => {
    try {
      const data = await sessionService.getClickMap(params);
      this.insights = data.sort((a: any, b: any) => b.count - a.count);
    } catch (e) {
      console.error(e);
    }
  }

  setTimelineTooltip = (tp: {
    time: number;
    offset: number;
    isVisible: boolean;
    localTime: string;
    userTime?: string;
  }) => {
    this.timeLineTooltip = tp;
  }

  setCreateNoteTooltip = (noteTooltip: any) => {
    this.createNoteTooltip = noteTooltip;
  }

  setEditNoteTooltip = (noteTooltip: any) => {
    this.createNoteTooltip = noteTooltip;
  }

  filterOutNote = (noteId: string) => {
    this.current.notesWithEvents = this.current.notesWithEvents.filter((item) => {
      if ('noteId' in item) {
        return item.noteId !== noteId;
      }
      return true;
    });
  }

  updateNote = (note: Note) => {
    const noteIndex = this.current.notesWithEvents.findIndex((item) => {
      if ('noteId' in item) {
        return item.noteId === note.noteId;
      }
      return false;
    });

    if (noteIndex !== -1) {
      this.current.notesWithEvents[noteIndex] = note;
    }
  }

  setSessionPath = (path = {}) => {
    this.sessionPath = path;
  }

  updateLastPlayedSession = (sessionId: string) => {
    const sIndex = this.list.findIndex((s) => s.sessionId === sessionId);
    if (sIndex !== -1) {
      this.list[sIndex].viewed = true;
    }
  }

  clearCurrentSession = () => {
    this.current = new Session();
    this.eventsIndex = [];
    this.visitedEvents = [];
    this.host = '';
  }

  prefetchSession = (sessionData: Session) => {
    this.current = sessionData;
    this.prefetched = true;
  }

  customSetSessions = (data: any) => {
    this.liveSessions = data.sessions.map((s: any) => new Session(s));
    this.totalLiveSessions = data.total
  }

  fetchAutoplayList = async (page: number) => {
    try {
      const filter = searchStore.instance.toSearch();
      setSessionFilter(cleanSessionFilters(filter));
      const data = await sessionService.getAutoplayList({ ...filter, page: page });
      const ids = data.map((i: any) => i.sessionId + '').filter((i, index) => !this.sessionIds.includes(i));
      this.sessionIds = this.sessionIds.concat(ids);
    } catch (e) {
      console.error(e);
    }
  };

  clearList = () => {
    this.list = [];
    this.total = 0;
    this.sessionIds = [];
    this.bookmarks = { list: [], page: 1, total: 0, pageSize: 10, loading: false };
  }

  setLastPlayedSessionId = (sessionId: string) => {
    this.lastPlayedSessionId = sessionId;
  }

  async fetchBookmarkedSessions() {
    try {
      this.bookmarks.loading = true;
      const params = {
        page: this.bookmarks.page,
        limit: this.bookmarks.pageSize,
        bookmarked: true,
      }
      const data = await sessionService.getSessions(params);
      this.bookmarks.list = data.sessions.map((s: any) => new Session(s));
      this.bookmarks.total = data.total;
    } catch (e) {
      console.error(e);
    } finally {
      this.bookmarks.loading = false;
    }
  }

  updateBookmarksPage(page: number) {
    this.bookmarks.page = page;
    void this.fetchBookmarkedSessions();
  }
}