import {
    DraggableAttributes,
    DraggableSyntheticListeners,
} from "@dnd-kit/core";
import {
    ElementsType,
    FormElement,
    FormElementInstance,
    SubmitFunction,
} from "../FormElements";
import useDesigner from "../hooks/useDesigner";
import z from "zod";
import {useForm,Controller} from 'react-hook-form'
import {zodResolver}  from '@hookform/resolvers/zod'
import { useEffect, useRef, useState } from "react";
import {Alert, Checkbox, Divider, FormControlLabel, IconButton, Stack, TextField, Tooltip, Typography} from '@mui/material';
const type: ElementsType = "DateField";

const extraAttributes = {
    label: "Date Field",
    helperText: "Helper text",
    required: false,
};

const propertiseSchema = z.object({
    label: z.string().min(5).max(50),
    helperText: z.string().max(200),
    required: z.boolean().default(false),
    id:z.string().min(1).max(200)
})


export const DateFieldFormElement: FormElement = {
    type,

    construct: (id: string) => ({
        id,
        type,
        extraAttributes,
    }),
    designerBtnElement: {
        icon: (
            <svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
            <path d="M21 11.5V8.8C21 7.11984 21 6.27976 20.673 5.63803C20.3854 5.07354 19.9265 4.6146 19.362 4.32698C18.7202 4 17.8802 4 16.2 4H7.8C6.11984 4 5.27976 4 4.63803 4.32698C4.07354 4.6146 3.6146 5.07354 3.32698 5.63803C3 6.27976 3 7.11984 3 8.8V17.2C3 18.8802 3 19.7202 3.32698 20.362C3.6146 20.9265 4.07354 21.3854 4.63803 21.673C5.27976 22 6.11984 22 7.8 22H12.5M21 10H3M16 2V6M8 2V6M18 21V15M15 18H21" stroke="black" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"/>
            </svg>
        ),
        label: "Date Field",
    },
    designerComponent: DesignerComponent,
    formComponent: FormComponent,
    propertiseComponent: PropertiseComponent,
    validate: (formElement: FormElementInstance, currentValue: string):boolean => {
        const element = formElement as CustomInstance;
        if(element.extraAttributes.required){
            const date = new Date(currentValue);
            const isValidDate = !isNaN(date.getTime());
    
            // Ensure currentValue is not empty and is a valid date
            return currentValue.length > 0 && isValidDate;
        }
        return true;
    },
};

type CustomInstance = FormElementInstance & {
    extraAttributes: typeof extraAttributes;
};

function DesignerComponent({
    pageId,
    elementInstance,
    listeners,
    attributes,
}: {
    pageId:string;
    elementInstance: FormElementInstance;
    listeners?: DraggableSyntheticListeners;
    attributes?: DraggableAttributes;
}) {
    const { removeElement, setSelectedItem,updateElement,setSelectedPage,setSelectedPageId } = useDesigner();
    const element = elementInstance as CustomInstance;
    const { label,  helperText, required } = element.extraAttributes;

    function updateRequired() {
        updateElement(pageId,element.id, {
            ...element,
            extraAttributes: {
                ...element.extraAttributes,
                required: !element.extraAttributes.required,
            },
        });
    }
    return (
        <div
            className="main-question-wrapper"
            key={element.id}
            onClick={(e) => {
                e.stopPropagation();
                setSelectedPageId(pageId);
                setSelectedPage(null);
                setSelectedItem(element);
            }}
        >
            <div className="drag-area" {...listeners} {...attributes}>
                <svg viewBox="0 0 20 20">
                    <path d="M7 2a2 2 0 1 0 .001 4.001A2 2 0 0 0 7 2zm0 6a2 2 0 1 0 .001 4.001A2 2 0 0 0 7 8zm0 6a2 2 0 1 0 .001 4.001A2 2 0 0 0 7 14zm6-8a2 2 0 1 0-.001-4.001A2 2 0 0 0 13 6zm0 2a2 2 0 1 0 .001 4.001A2 2 0 0 0 13 8zm0 6a2 2 0 1 0 .001 4.001A2 2 0 0 0 13 14z"></path>
                </svg>
            </div>
            <div className="input-area">
                <div style={{paddingBottom:'16px'}}>
                    <h5 className="m-0 p-0">
                        {label} {required && "*"}
                    </h5>
                    {helperText && <p className="m-0 desc mt-1">{helperText}</p>}
                </div>
                <input
                    type="date"
                    readOnly
                    disabled
                />
                
            </div>

            <div className="question-actions">
                <div></div>
                <div className="right-actions">
                    <button className="light-btn" onClick={(e) => {e.stopPropagation();setSelectedItem(element)}}>
                        <svg
                            width="18"
                            height="18"
                            viewBox="0 0 24 24"
                            fill="none"
                            xmlns="http://www.w3.org/2000/svg"
                        >
                            <path
                                d="M3 8L15 8M15 8C15 9.65686 16.3431 11 18 11C19.6569 11 21 9.65685 21 8C21 6.34315 19.6569 5 18 5C16.3431 5 15 6.34315 15 8ZM9 16L21 16M9 16C9 17.6569 7.65685 19 6 19C4.34315 19 3 17.6569 3 16C3 14.3431 4.34315 13 6 13C7.65685 13 9 14.3431 9 16Z"
                                stroke="black"
                                strokeWidth="2"
                                strokeLinecap="round"
                                strokeLinejoin="round"
                            />
                        </svg>
                        Settings
                    </button>
                    <button className="light-btn" onClick={(e) => {updateRequired()}} style={{background:required?'rgba(0,0,0,0.03)':'transparent'}}>
                        <svg
                            className="required-icon"
                            version="1.1"
                            xmlns="http://www.w3.org/2000/svg"
                            width="13"
                            height="13"
                            viewBox="0 0 256 256"
                        >
                            <path
                                fill="#000000"
                                d="M223,160.1L167.3,128L223,95.9c9.4-5.4,12.6-17.5,7.2-26.9c-5.4-9.4-17.5-12.6-26.9-7.2l-55.6,32.1V29.7c0-10.9-8.8-19.7-19.7-19.7c-10.9,0-19.7,8.8-19.7,19.7v64.3L52.7,61.8c-9.4-5.4-21.4-2.2-26.9,7.2c-5.4,9.4-2.2,21.4,7.2,26.9L88.7,128L33,160.1c-9.4,5.4-12.6,17.5-7.2,26.9c5.4,9.4,17.5,12.6,26.9,7.2l55.6-32.1v64.3c0,10.9,8.8,19.7,19.7,19.7c10.9,0,19.7-8.8,19.7-19.7V162l55.6,32.1c9.4,5.4,21.4,2.2,26.9-7.2C235.6,177.6,232.4,165.6,223,160.1z"
                            />
                        </svg>
                        Required
                    </button>
                    <button
                        className="light-btn"
                        onClick={(e) => {
                            e.stopPropagation;
                            removeElement(pageId,element.id);
                        }}
                    >
                        <svg
                            width="18"
                            height="18"
                            viewBox="0 0 24 24"
                            fill="none"
                            xmlns="http://www.w3.org/2000/svg"
                        >
                            <path
                                d="M9 3H15M3 6H21M19 6L18.2987 16.5193C18.1935 18.0975 18.1409 18.8867 17.8 19.485C17.4999 20.0118 17.0472 20.4353 16.5017 20.6997C15.882 21 15.0911 21 13.5093 21H10.4907C8.90891 21 8.11803 21 7.49834 20.6997C6.95276 20.4353 6.50009 20.0118 6.19998 19.485C5.85911 18.8867 5.8065 18.0975 5.70129 16.5193L5 6M10 10.5V15.5M14 10.5V15.5"
                                stroke="black"
                                strokeWidth="2"
                                strokeLinecap="round"
                                strokeLinejoin="round"
                            />
                        </svg>
                        Delete
                    </button>
                </div>
            </div>
        </div>
    );
}
function FormComponent({
    elementInstance,
    submitValue,
    isInvalid,
    defaultValue
}: {
    elementInstance: FormElementInstance;
    submitValue?: SubmitFunction;
    isInvalid?: boolean;
    defaultValue?:string
}) {
    const { removeElement, setSelectedItem } = useDesigner();
    const [date,setDate] = useState<Date | undefined>(defaultValue ? new Date(defaultValue) : undefined);
    const [error,setError] =useState(false);

    useEffect(()=>{
        console.log(isInvalid)
        setError(isInvalid === true);

    },[isInvalid])
    const element = elementInstance as CustomInstance;

    const { label, helperText, required } = element.extraAttributes;
    return (
        <div
            className="main-question-wrapper prev"
        >
            <div className="input-area">
                <div style={{paddingBottom:'16px'}}>
                    <h5 className="m-0 p-0">
                        {label} {required && "*"}
                    </h5>
                    {helperText && <p className="m-0 desc mt-1">{helperText}</p>}
                </div>
                <input
                    type="date"
                    onChange={(e)=> setDate(new Date(e.target.value))}
                    onBlur={(e) => {
                        setDate(new Date(e.target.value))
                        const value = date?.toUTCString() || "";
                        const valid = DateFieldFormElement.validate(element,value);
                        setError(!valid);
                        if(!valid) return;
                        if(!submitValue) return;
                        submitValue(element.id, value);
                    }}
                />
            </div>
            {
                error && 
                <Alert sx={{width:'94%',position:'absolute',bottom:"5px"}} severity="error">Response is required</Alert>
            }
        </div>
    );
}

type propertiseFormSchemaType = z.infer<typeof propertiseSchema>
function PropertiseComponent({elementInstance}:{
    elementInstance: FormElementInstance}){
        const element = elementInstance as CustomInstance;
        const {control, handleSubmit, formState: { errors }, getValues,reset,setError} = useForm<propertiseFormSchemaType>({
            resolver: zodResolver(propertiseSchema),
            mode:'onChange',
            defaultValues:{
                label: element.extraAttributes.label,
                helperText: element.extraAttributes.helperText,
                required: element.extraAttributes.required,
                id:element.id
            }
        });


        const {updateElement,elements,setSelectedItem,selectedPageId} = useDesigner();
        const pageIndex = elements.findIndex(page => page.id == selectedPageId)
        const found = elements[pageIndex].questions.find(e => e.id === element.id)
        console.log(found)
        useEffect(() => {
            if (found) {
                reset({id:found.id,label:found.extraAttributes?.label,helperText:found.extraAttributes?.helperText,required:found.extraAttributes?.required});
            }
        }, [element, reset]);
        // useEffect(() => {
        //     reset(element.extraAttributes);
        // }, [element, reset]);

        function applyChanges(values:propertiseFormSchemaType){
            const {label,helperText,required} = values;
            updateElement(selectedPageId,element.id,{
                ...element,extraAttributes:{
                    label,
                    helperText,
                    required
                }
            })
        }
        const isIdUnique = (id: string) => {
            const allQuestions = elements.flatMap(page => page.questions);
            return !allQuestions.some(el => el.id === id);
        };
        function idchange(value:string){
            if(isIdUnique(value)){
                updateElement(selectedPageId,element.id,{
                    ...element,id:value
                })
                setSelectedItem(element);
                return;
            }else{
                if(value !== element.id){
                    setError('id', {
                        type: 'manual',
                        message: 'ID must be unique'
                    });
                }
            }
        }
        return (
            <>
            <Typography variant="body1" color="GrayText">General</Typography>
                <Divider orientation="horizontal" sx={{ marginBottom: 3, borderColor: 'rgba(0,0,0,0.5)' }} />
                <Stack direction={'row'} spacing={1} alignItems={"center"} mb={2}>
                <Controller
                        name="id"
                        shouldUnregister
                        control={control}
                        render={({ field }) => (
                            <TextField
                                {...field}
                                onBlur={e=>idchange(e.target.value)}
                                error={!!errors.id}
                                helperText={errors.id ? errors.id.message : ''}
                                label="Question ID"
                                fullWidth
                                variant="outlined"
                                size="small"
                                multiline
                            />
                        )}
                    />
                    <Tooltip title="A Question ID that is not visible to users">
                    <IconButton>
                    <svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                    <path d="M9.09 9C9.3251 8.33167 9.78915 7.76811 10.4 7.40913C11.0108 7.05016 11.7289 6.91894 12.4272 7.03871C13.1255 7.15849 13.7588 7.52152 14.2151 8.06353C14.6713 8.60553 14.9211 9.29152 14.92 10C14.92 12 11.92 13 11.92 13M12 17H12.01M22 12C22 17.5228 17.5228 22 12 22C6.47715 22 2 17.5228 2 12C2 6.47715 6.47715 2 12 2C17.5228 2 22 6.47715 22 12Z" stroke="#72C4BA" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"/>
                    </svg>

                    </IconButton>
                    </Tooltip>
                </Stack>
            <form onChange={handleSubmit(applyChanges)} className="mt-4 mx-auto w-100">
                
                <Controller
                    name="label"
                    control={control}
                    render={({ field }) => (
                        <TextField
                            {...field}
                            error={!!errors.label}
                            helperText={errors.label ? "Please enter a valid value" : ''}
                            label="Label"
                            fullWidth
                            variant="outlined"
                            size="small"
                        />
                    )}
                />

                <Controller
                    name="helperText"
                    control={control}
                    render={({ field }) => (
                        <TextField
                            {...field}
                            error={!!errors.helperText}
                            multiline
                            minRows={2}
                            maxRows={4}
                            helperText={errors.helperText ? "Please enter a valid value" : ''}
                            label="Description"
                            fullWidth
                            sx={{ marginY: 2 }}
                            variant="outlined"
                            size="small"
                        />
                    )}
                />

            </form>
            <Stack direction="row" spacing={1} sx={{ marginTop: 1 }} alignItems="center">
                <Controller
                    name="required"
                    control={control}
                    render={({ field }) => (
                        <Checkbox
                            {...field}
                            checked={field.value}
                            onChange={(e) => {
                                field.onChange(e.target.checked);
                                applyChanges({ ...getValues(), required: e.target.checked });
                            }}
                        />
                    )}
                />
                <Typography>Required</Typography>
            </Stack>

        </>
        )
}