import React from 'react';

import { Button, Checkbox, Flex, FormControl, FormErrorMessage, FormLabel, Input, Modal, ModalBody, ModalCloseButton, ModalContent, ModalFooter, ModalHeader, ModalOverlay } from '@chakra-ui/react';
import { SubmitHandler, useForm } from 'react-hook-form';
import { useMutation, useQueryClient } from 'react-query';

import { ApiError, UserOut, UserUpdate, UsersService } from '../../client';
import useCustomToast from '../../hooks/useCustomToast';

interface EditUserProps {
    user: UserOut;
    isOpen: boolean;
    onClose: () => void;
}

interface UserUpdateForm extends UserUpdate {
    confirm_password: string;
}

const EditUser: React.FC<EditUserProps> = ({ user, isOpen, onClose }) => {
    const queryClient = useQueryClient();
    const showToast = useCustomToast();

    const { register, handleSubmit, reset, getValues, formState: { errors, isSubmitting, isDirty } } = useForm<UserUpdateForm>({
        mode: 'onBlur',
        criteriaMode: 'all',
        defaultValues: user
    });

    const updateUser = async (data: UserUpdateForm) => {
        await UsersService.updateUser({ userId: user.id, requestBody: data });
    }

    const mutation = useMutation(updateUser, {
        onSuccess: () => {
            showToast('Success!', 'User updated successfully.', 'success');
            onClose();
        },
        onError: (err: ApiError) => {
            const errDetail = err.body.detail;
            showToast('Something went wrong.', `${errDetail}`, 'error');
        },
        onSettled: () => {
            queryClient.invalidateQueries('users');
        }
    });

    const onSubmit: SubmitHandler<UserUpdateForm> = async (data) => {
        if (data.password === '') {
            delete data.password;
        }
        mutation.mutate(data)
    }

    const onCancel = () => {
        reset();
        onClose();
    }

    return (
        <>
            <Modal
                isOpen={isOpen}
                onClose={onClose}
                size={{ base: 'sm', md: 'md' }}
                isCentered
            >
                <ModalOverlay />
                <ModalContent as='form' onSubmit={handleSubmit(onSubmit)}>
                    <ModalHeader>Edit User</ModalHeader>
                    <ModalCloseButton />
                    <ModalBody pb={6}>
                        <FormControl isInvalid={!!errors.email}>
                            <FormLabel htmlFor='email'>Email</FormLabel>
                            <Input id='email' {...register('email', { required: 'Email is required', pattern: { value: /^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$/i, message: 'Invalid email address' } })} placeholder='Email' type='email' />
                            {errors.email && <FormErrorMessage>{errors.email.message}</FormErrorMessage>}
                        </FormControl>
                        <FormControl mt={4}>
                            <FormLabel htmlFor='name'>Full name</FormLabel>
                            <Input id='name' {...register('full_name')} type='text' />
                        </FormControl>
                        <FormControl mt={4} isInvalid={!!errors.password}>
                            <FormLabel htmlFor='password'>Set Password</FormLabel>
                            <Input id='password' {...register('password', { minLength: { value: 8, message: 'Password must be at least 8 characters' } })} placeholder='••••••••' type='password' />
                            {errors.password && <FormErrorMessage>{errors.password.message}</FormErrorMessage>}
                        </FormControl>
                        <FormControl mt={4} isInvalid={!!errors.confirm_password}>
                            <FormLabel htmlFor='confirm_password'>Confirm Password</FormLabel>
                            <Input id='confirm_password' {...register('confirm_password', {
                                validate: value => value === getValues().password || 'The passwords do not match'
                            })} placeholder='••••••••' type='password' />
                            {errors.confirm_password && <FormErrorMessage>{errors.confirm_password.message}</FormErrorMessage>}
                        </FormControl>
                        <Flex>
                            <FormControl mt={4}>
                                <Checkbox {...register('is_superuser')} colorScheme='teal'>Is superuser?</Checkbox>
                            </FormControl>
                            <FormControl mt={4}>
                                <Checkbox {...register('is_active')} colorScheme='teal'>Is active?</Checkbox>
                            </FormControl>
                        </Flex>
                    </ModalBody>

                    <ModalFooter gap={3}>
                        <Button bg='ui.main' color='white' _hover={{ opacity: 0.8 }} type='submit' isLoading={isSubmitting} isDisabled={!isDirty}>
                            Save
                        </Button>
                        <Button onClick={onCancel}>Cancel</Button>
                    </ModalFooter>
                </ModalContent>
            </Modal>
        </>
    )
}

export default EditUser;