import {
  CreatePublicHolidayPayload,
  DeletePublicHolidayPayload,
  PublicHoliday,
  PublicHolidayFilters,
  SeedGhanaHolidaysPayload,
  SeedGhanaHolidaysResponse,
  UpdatePublicHolidayPayload,
} from '@/interface/PublicHoliday';
import { RejectedActionPayload, ServerErrorResponse } from '@/interface/Shared';
import { apiDelete, apiGet, apiPost, apiPut } from '@/services/api/api';
import Helpers from '@/utilities/Helpers';
import { createAsyncThunk, createSlice, Draft, PayloadAction } from '@reduxjs/toolkit';
import { message } from 'antd';
import axios, { AxiosResponse } from 'axios';
import { PublicHolidaysActions } from './actionTypes';

interface PublicHolidaysState {
  publicHolidays: PublicHoliday[];
  loading: boolean;
  error: string | null;
}

const initialState: PublicHolidaysState = {
  publicHolidays: [],
  loading: false,
  error: null,
};

const toQueryString = (filters?: PublicHolidayFilters): string => {
  if (!filters) {
    return '';
  }

  const params = new URLSearchParams();

  if (filters.year) {
    params.set('year', String(filters.year));
  }

  if (filters.country_code) {
    params.set('country_code', filters.country_code);
  }

  if (filters.search) {
    params.set('search', filters.search);
  }

  const query = params.toString();
  return query ? `?${query}` : '';
};

const extractCollectionData = (payload: PublicHoliday[] | { data: PublicHoliday[] }): PublicHoliday[] => {
  return Array.isArray(payload) ? payload : payload.data;
};

export const fetchPublicHolidays = createAsyncThunk(
  PublicHolidaysActions.FETCH_PUBLIC_HOLIDAYS_REQUEST,
  async (filters?: PublicHolidayFilters) => {
    const response = (await apiGet(
      `/leave/public-holidays${toQueryString(filters)}`,
    )) as AxiosResponse<PublicHoliday[] | { data: PublicHoliday[] }>;
    return extractCollectionData(response.data);
  },
);

export const createPublicHoliday = createAsyncThunk(
  PublicHolidaysActions.CREATE_PUBLIC_HOLIDAY_REQUEST,
  async (payload: CreatePublicHolidayPayload, { rejectWithValue }) => {
    try {
      const response = (await apiPost(
        '/leave/public-holidays',
        payload,
      )) as AxiosResponse<{ data: PublicHoliday }>;
      return response.data.data;
    } catch (error) {
      if (axios.isAxiosError(error) && error.response) {
        return rejectWithValue(error.response.data as ServerErrorResponse);
      }
      throw error;
    }
  },
);

export const updatePublicHoliday = createAsyncThunk(
  PublicHolidaysActions.UPDATE_PUBLIC_HOLIDAY_REQUEST,
  async (payload: UpdatePublicHolidayPayload, { rejectWithValue }) => {
    try {
      const { id, ...data } = payload;
      const response = (await apiPut(
        `/leave/public-holidays/${id}`,
        data,
      )) as AxiosResponse<{ data: PublicHoliday }>;
      return response.data.data;
    } catch (error) {
      if (axios.isAxiosError(error) && error.response) {
        return rejectWithValue(error.response.data as ServerErrorResponse);
      }
      throw error;
    }
  },
);

export const deletePublicHoliday = createAsyncThunk(
  PublicHolidaysActions.DELETE_PUBLIC_HOLIDAY_REQUEST,
  async (id: string) => {
    const response = (await apiDelete(`/leave/public-holidays/${id}`)) as AxiosResponse<DeletePublicHolidayPayload>;
    const responseData = response.data;
    responseData.id = id;
    return responseData;
  },
);

export const seedGhanaHolidays = createAsyncThunk(
  PublicHolidaysActions.SEED_GHANA_HOLIDAYS_REQUEST,
  async (payload: SeedGhanaHolidaysPayload, { rejectWithValue }) => {
    try {
      const response = (await apiPost(
        '/leave/public-holidays/seed-ghana',
        payload,
      )) as AxiosResponse<SeedGhanaHolidaysResponse>;
      return response.data;
    } catch (error) {
      if (axios.isAxiosError(error) && error.response) {
        return rejectWithValue(error.response.data as ServerErrorResponse);
      }
      throw error;
    }
  },
);

export const PublicHolidaysSlice = createSlice({
  name: 'publicHolidays',
  initialState,
  reducers: {},
  extraReducers(builder) {
    builder
      .addCase(fetchPublicHolidays.pending, (state: Draft<PublicHolidaysState>) => {
        state.loading = true;
        state.error = null;
      })
      .addCase(
        fetchPublicHolidays.fulfilled,
        (state: Draft<PublicHolidaysState>, action: PayloadAction<PublicHoliday[]>) => {
          state.publicHolidays = action.payload;
          state.loading = false;
          state.error = null;
        },
      )
      .addCase(fetchPublicHolidays.rejected, (state: Draft<PublicHolidaysState>, action: RejectedActionPayload) => {
        state.loading = false;
        message.error(Helpers.handleServerError(action.payload), 8);
      });

    builder
      .addCase(createPublicHoliday.pending, (state: Draft<PublicHolidaysState>) => {
        state.loading = true;
        state.error = null;
      })
      .addCase(
        createPublicHoliday.fulfilled,
        (state: Draft<PublicHolidaysState>, action: PayloadAction<PublicHoliday>) => {
          state.publicHolidays.push(action.payload);
          state.publicHolidays.sort((a, b) => a.date.localeCompare(b.date));
          state.loading = false;
          state.error = null;
          message.success('Public holiday created successfully');
        },
      )
      .addCase(
        createPublicHoliday.rejected,
        (state: Draft<PublicHolidaysState>, action: RejectedActionPayload) => {
          state.loading = false;
          state.error = Helpers.handleServerError(action.payload);
          message.error(state.error, 10);
        },
      );

    builder
      .addCase(updatePublicHoliday.pending, (state: Draft<PublicHolidaysState>) => {
        state.loading = true;
        state.error = null;
      })
      .addCase(
        updatePublicHoliday.fulfilled,
        (state: Draft<PublicHolidaysState>, action: PayloadAction<PublicHoliday>) => {
          const index = state.publicHolidays.findIndex((item) => item.id === action.payload.id);
          if (index !== -1) {
            state.publicHolidays[index] = action.payload;
            state.publicHolidays.sort((a, b) => a.date.localeCompare(b.date));
          }
          state.loading = false;
          state.error = null;
          message.success('Public holiday updated successfully');
        },
      )
      .addCase(
        updatePublicHoliday.rejected,
        (state: Draft<PublicHolidaysState>, action: RejectedActionPayload) => {
          state.loading = false;
          state.error = Helpers.handleServerError(action.payload);
          message.error(state.error, 10);
        },
      );

    builder
      .addCase(deletePublicHoliday.pending, (state: Draft<PublicHolidaysState>) => {
        state.loading = true;
      })
      .addCase(
        deletePublicHoliday.fulfilled,
        (state: Draft<PublicHolidaysState>, action: PayloadAction<DeletePublicHolidayPayload>) => {
          state.publicHolidays = state.publicHolidays.filter((item) => item.id !== action.payload.id);
          state.loading = false;
          state.error = null;
          message.success(action.payload.message);
        },
      )
      .addCase(deletePublicHoliday.rejected, (state: Draft<PublicHolidaysState>, action: RejectedActionPayload) => {
        state.loading = false;
        message.error(Helpers.handleServerError(action.payload), 8);
      });

    builder
      .addCase(seedGhanaHolidays.pending, (state: Draft<PublicHolidaysState>) => {
        state.loading = true;
        state.error = null;
      })
      .addCase(
        seedGhanaHolidays.fulfilled,
        (state: Draft<PublicHolidaysState>, action: PayloadAction<SeedGhanaHolidaysResponse>) => {
          state.loading = false;
          state.error = null;
          message.success(action.payload.message);
        },
      )
      .addCase(seedGhanaHolidays.rejected, (state: Draft<PublicHolidaysState>, action: RejectedActionPayload) => {
        state.loading = false;
        state.error = Helpers.handleServerError(action.payload);
        message.error(state.error, 10);
      });
  },
});

export default PublicHolidaysSlice;
export type { PublicHolidaysState };