import http, { getPaginationSet, PaginatedResult } from '@/api/http';
import { Transformers, UserRole } from '@definitions/admin';
import { useContext } from 'react';
import useSWR from 'swr';
import { createContext } from '@/api/admin/index';

export interface Filters {
    id?: string;
    name?: string;
}

export const Context = createContext<Filters>();

const createRole = (name: string, description: string | null, include: string[] = []): Promise<UserRole> => {
    return new Promise((resolve, reject) => {
        http.post('/api/application/roles', {
            name, description,
        }, { params: { include: include.join(',') } })
            .then(({ data }) => resolve(Transformers.toUserRole(data)))
            .catch(reject);
    });
};

const deleteRole = (id: number): Promise<void> => {
    return new Promise((resolve, reject) => {
        http.delete(`/api/application/roles/${id}`)
            .then(() => resolve())
            .catch(reject);
    });
};

const getRole = (id: number, include: string[] = []): Promise<UserRole> => {
    return new Promise((resolve, reject) => {
        http.get(`/api/application/roles/${id}`, { params: { include: include.join(',') } })
            .then(({ data }) => resolve(Transformers.toUserRole(data)))
            .catch(reject);
    });
};

const searchRoles = (filters?: { name?: string }): Promise<UserRole[]> => {
    const params = {};
    if (filters !== undefined) {
        Object.keys(filters).forEach(key => {
            // @ts-ignore
            params['filter[' + key + ']'] = filters[key];
        });
    }

    return new Promise((resolve, reject) => {
        http.get('/api/application/roles', { params })
            .then(response => resolve(
                (response.data.data || []).map(Transformers.toUserRole)
            ))
            .catch(reject);
    });
};

const updateRole = (id: number, name: string, description: string | null, include: string[] = []): Promise<UserRole> => {
    return new Promise((resolve, reject) => {
        http.patch(`/api/application/roles/${id}`, {
            name, description,
        }, { params: { include: include.join(',') } })
            .then(({ data }) => resolve(Transformers.toUserRole(data)))
            .catch(reject);
    });
};

const getRoles = (include: string[] = []) => {
    // eslint-disable-next-line react-hooks/rules-of-hooks
    const { page, filters, sort, sortDirection } = useContext(Context);

    const params = {};
    if (filters !== null) {
        Object.keys(filters).forEach(key => {
            // @ts-ignore
            params['filter[' + key + ']'] = filters[key];
        });
    }

    if (sort !== null) {
        // @ts-ignore
        params.sort = (sortDirection ? '-' : '') + sort;
    }

    // eslint-disable-next-line react-hooks/rules-of-hooks
    return useSWR<PaginatedResult<UserRole>>([ 'roles', page, filters, sort, sortDirection ], async () => {
        const { data } = await http.get('/api/application/roles', { params: { include: include.join(','), page, ...params } });

        return ({
            items: (data.data || []).map(Transformers.toUserRole),
            pagination: getPaginationSet(data.meta.pagination),
        });
    });
};

export {
    createRole,
    deleteRole,
    getRole,
    searchRoles,
    updateRole,
    getRoles,
};