import { RejectedActionPayload, ServerErrorResponse } from '@/interface/Shared';
import {
  QuestionCategory,
  CreateQuestionCategoryPayload,
  DeleteQuestionCategoryPayload,
} from '@/interface/Assessment';
import Helpers from '@/utilities/Helpers';
import { createAsyncThunk, createSlice, Draft, PayloadAction } from '@reduxjs/toolkit';
import { message } from 'antd';
import { QuestionCategoriesActions } from './actionTypes';
import { apiDelete, apiGet, apiPost, apiPut } from '@/services/api/api';
import axios, { AxiosResponse } from 'axios';

interface QuestionCategoryState {
  categories: QuestionCategory[];
  loading: boolean;
  error: string | null;
}

const initialState: QuestionCategoryState = {
  categories: [],
  loading: false,
  error: null,
};

export const fetchQuestionCategories = createAsyncThunk(
  QuestionCategoriesActions.FETCH_QUESTION_CATEGORIES_REQUEST,
  async () => {
    const response = (await apiGet('/assessment/categories')) as AxiosResponse<QuestionCategory[]>;
    return response.data;
  },
);

export const createQuestionCategory = createAsyncThunk(
  QuestionCategoriesActions.CREATE_QUESTION_CATEGORY_REQUEST,
  async (payload: CreateQuestionCategoryPayload, { rejectWithValue }) => {
    try {
      const response = (await apiPost('/assessment/categories', payload)) as AxiosResponse<{
        data: QuestionCategory;
      }>;
      return response.data.data;
    } catch (error) {
      if (axios.isAxiosError(error) && error.response) {
        return rejectWithValue(error.response.data as ServerErrorResponse);
      }
      throw error;
    }
  },
);

export const updateQuestionCategory = createAsyncThunk(
  QuestionCategoriesActions.UPDATE_QUESTION_CATEGORY_REQUEST,
  async (payload: CreateQuestionCategoryPayload, { rejectWithValue }) => {
    try {
      const { id, ...data } = payload;
      const response = (await apiPut(`/assessment/categories/${id}`, data)) as AxiosResponse<{
        data: QuestionCategory;
      }>;
      return response.data.data;
    } catch (error) {
      if (axios.isAxiosError(error) && error.response) {
        return rejectWithValue(error.response.data as ServerErrorResponse);
      }
      throw error;
    }
  },
);

export const deleteQuestionCategory = createAsyncThunk(
  QuestionCategoriesActions.DELETE_QUESTION_CATEGORY_REQUEST,
  async (id: string, { rejectWithValue }) => {
    try {
      const response = (await apiDelete(
        `/assessment/categories/${id}`,
      )) as AxiosResponse<DeleteQuestionCategoryPayload>;
      const responseData = response.data;
      responseData.id = id;
      return responseData;
    } catch (error) {
      if (axios.isAxiosError(error) && error.response) {
        return rejectWithValue(error.response.data as ServerErrorResponse);
      }
      throw error;
    }
  },
);

export const QuestionCategoriesSlice = createSlice({
  name: 'questionCategories',
  initialState,
  reducers: {},
  extraReducers(builder) {
    builder
      .addCase(fetchQuestionCategories.pending, (state: Draft<QuestionCategoryState>) => {
        state.loading = true;
        state.error = null;
      })
      .addCase(
        fetchQuestionCategories.fulfilled,
        (state: Draft<QuestionCategoryState>, action: PayloadAction<QuestionCategory[]>) => {
          state.categories = action.payload;
          state.error = null;
          state.loading = false;
        },
      )
      .addCase(fetchQuestionCategories.rejected, (state: Draft<QuestionCategoryState>, action: RejectedActionPayload) => {
        state.loading = false;
        state.error = 'Failed to load question categories';
        message.error(Helpers.handleServerError(action.payload), 8);
      });

    builder
      .addCase(createQuestionCategory.pending, (state: Draft<QuestionCategoryState>) => {
        state.loading = true;
        state.error = null;
      })
      .addCase(
        createQuestionCategory.fulfilled,
        (state: Draft<QuestionCategoryState>, action: PayloadAction<QuestionCategory>) => {
          state.categories.unshift(action.payload);
          state.error = null;
          state.loading = false;
          message.success('Question category created successfully');
        },
      )
      .addCase(
        createQuestionCategory.rejected,
        (state: Draft<QuestionCategoryState>, action: RejectedActionPayload) => {
          state.loading = false;
          state.error = Helpers.handleServerError(action.payload);
          message.error(Helpers.handleServerError(action.payload), 10);
        },
      );

    builder
      .addCase(updateQuestionCategory.pending, (state: Draft<QuestionCategoryState>) => {
        state.loading = true;
        state.error = null;
      })
      .addCase(
        updateQuestionCategory.fulfilled,
        (state: Draft<QuestionCategoryState>, action: PayloadAction<QuestionCategory>) => {
          const index = state.categories.findIndex((c) => c.id === action.payload.id);
          if (index !== -1) {
            state.categories[index] = action.payload;
          }
          state.loading = false;
          state.error = null;
          message.success('Question category updated successfully');
        },
      )
      .addCase(
        updateQuestionCategory.rejected,
        (state: Draft<QuestionCategoryState>, action: RejectedActionPayload) => {
          state.loading = false;
          state.error = Helpers.handleServerError(action.payload);
          message.error(Helpers.handleServerError(action.payload), 10);
        },
      );

    builder
      .addCase(deleteQuestionCategory.pending, (state: Draft<QuestionCategoryState>) => {
        state.loading = true;
        state.error = null;
      })
      .addCase(
        deleteQuestionCategory.fulfilled,
        (
          state: Draft<QuestionCategoryState>,
          action: PayloadAction<DeleteQuestionCategoryPayload>,
        ) => {
          state.categories = state.categories.filter((c) => c.id !== action.payload.id);
          state.loading = false;
          message.success(action.payload.message);
        },
      )
      .addCase(
        deleteQuestionCategory.rejected,
        (state: Draft<QuestionCategoryState>, action: RejectedActionPayload) => {
          state.loading = false;
          state.error = Helpers.handleServerError(action.payload);
          message.error(Helpers.handleServerError(action.payload), 10);
        },
      );
  },
});

export default QuestionCategoriesSlice;
export type { QuestionCategoryState };