// * Packages
import { usePage } from "@inertiajs/react";
import { useEffect, useState } from "react";
import { CheckIcon, ChevronsUpDownIcon, SearchIcon, XIcon } from "lucide-react";
// * Components shadcn
import { Label } from "@/components/ui/label";
import {
    Popover,
    PopoverContent,
    PopoverTrigger,
} from "@/components/ui/popover";
import { Input } from "@/components/ui/input";
import { Button } from "@/components/ui/button";
// * Other
import BtnOptionnalLinkWithTooltip from "@/back/Components/BtnOptionnalLinkWithTooltip";
import InputError from "@/back/Components/InputError";
import { AppEnv } from "@/back/types/global";
import { cn } from "@/lib/utils";
import useTrans from "@/hooks/use-translations";
import str from "@/hooks/use-string";

type EnumSelectProps = {
    name: string;
    label: string;
    options?: Record<string, { label: string; name: string; value: number }>;
    placeholder?: string;
    exclude?: number[];
    selected?: number | null;
    required?: boolean;
    disabled?: boolean;
    parentErrors?: Record<string, string> | null;
    // eslint-disable-next-line no-unused-vars
    setData: (name: string, value: number | null) => void;
    // eslint-disable-next-line no-unused-vars
    onSelectValue?: (value: number | null) => void;
};

export default function EnumSelect({
    name,
    label,
    options = {},
    placeholder = "ex: Magnifique libellé",
    exclude = [],
    selected = null,
    required = true,
    disabled = false,
    parentErrors = null,
    setData,
    onSelectValue,
}: EnumSelectProps) {
    const { locale } = usePage().props.appEnv as AppEnv;
    const { errors } = usePage().props;
    const localErrors = parentErrors ?? errors;

    // List of options.
    const initalOptions = Object.fromEntries(
        Object.entries(options).filter(
            ([, item]) => !exclude.includes(item.value),
        ),
    );
    const [currentOptions, setCurrentOptions] =
        useState<
            Record<string, { label: string; name: string; value: number }>
        >(initalOptions);

    // Model key selected.
    const initial =
        selected === 0 || selected === null || selected === undefined
            ? null
            : Number(selected);
    const [selectedEnum, setSelectedEnum] = useState<number | null>(initial);

    // String research in models collection.
    const [search, setSearch] = useState<string>("");

    // Component states.
    const [open, setOpen] = useState<boolean>(false);

    const transNoResults = useTrans("back.table_no_results");
    const transDelete = useTrans("crud.actions.delete");

    /**
     * Get the identification field of specific option.
     * @param value number
     * @return string
     */
    const getEnumLabel = (value: number): string => {
        const targetEnum = Object.values(initalOptions).find(
            (option) => option.value === value,
        );
        if (!targetEnum) return String(value);
        if (typeof value === "object")
            return String(
                targetEnum.label[locale as keyof typeof targetEnum.label] ?? "",
            );
        return targetEnum.label;
    };

    /**
     * Updates when selecting new value.
     * @param value number
     * @return void
     */
    const handleSelect = (value: number) => {
        setSelectedEnum(value);
        setData(name, value);
        onSelectValue?.(value);
        setOpen(false);
    };

    /**
     * Updates when clear the selected value.
     * @return void
     */
    const handleClear = () => {
        setSelectedEnum(null);
        setData(name, null);
        onSelectValue?.(null);
    };

    /**
     * Reset the search.
     * @return void
     */
    const handleClearSearch = () => {
        setSearch("");
    };

    // Fetch with debounce.
    useEffect(() => {
        // Reset options list if empty search or null
        if (search.length === 0) {
            setCurrentOptions(initalOptions);
            return;
        }

        const optionsFiltered = Object.fromEntries(
            Object.entries(initalOptions).filter(([, item]) =>
                item.label.toLowerCase().includes(search),
            ),
        );

        // Get updated options list with search.
        setCurrentOptions(optionsFiltered);
        // eslint-disable-next-line react-hooks/exhaustive-deps
    }, [search, options]);

    return (
        <div className="flex flex-col w-full gap-1.5">
            <Label htmlFor={name}>
                {label} {required && "*"}
            </Label>
            <div className="flex items-center gap-1.5 w-full">
                <Popover open={open} onOpenChange={setOpen}>
                    <PopoverTrigger asChild>
                        <Button
                            variant="outline"
                            role="combobox"
                            aria-expanded={open}
                            disabled={disabled}
                            className={cn(
                                "w-full h-10 justify-between whitespace-normal text-start",
                                { "text-muted-foreground": !selectedEnum },
                                { "border-destructive/50": localErrors[name] },
                            )}
                        >
                            {selectedEnum
                                ? str(getEnumLabel(selectedEnum)).ucFirst().value()
                                : placeholder}
                            <ChevronsUpDownIcon className="opacity-50" />
                        </Button>
                    </PopoverTrigger>
                    <PopoverContent className="w-[var(--radix-popover-trigger-width)] p-0">
                        <div className="relative">
                            <div className="absolute top-1/2 left-2 transform -translate-y-1/2 text-muted-foreground">
                                <SearchIcon className="w-4 h-4" />
                            </div>
                            <Input
                                type="text"
                                placeholder={placeholder}
                                value={search}
                                disabled={disabled}
                                onChange={(e) => setSearch(e.target.value)}
                                className="w-[calc(100%-2.5rem-40px)] border-0 mx-9"
                            />
                            <BtnOptionnalLinkWithTooltip
                                content={<XIcon />}
                                tooltipContent={
                                    <p>
                                        {str(useTrans("crud.actions.delete"))
                                            .ucFirst()
                                            .value()}
                                    </p>
                                }
                                type="button"
                                variant="ghost"
                                size="icon"
                                className="absolute top-1/2 right-0 transform -translate-y-1/2 text-muted-foreground"
                                onClick={handleClearSearch}
                                disabled={search.length < 1 || disabled}
                            />
                        </div>
                        <div
                            className={cn(
                                `overflow-auto border-t flex flex-col justify-between p-1 gap-1 ${Object.values(initalOptions).length > 5 ? "h-[225px]" : "h-auto"}`,
                            )}
                        >
                            {Object.values(currentOptions).length === 0 && (
                                <p className="text-sm text-muted-foreground text-center py-5">
                                    {transNoResults}
                                </p>
                            )}
                            <div className="flex flex-col justify-between">
                                {Object.values(currentOptions).map((option) => (
                                    <Button
                                        key={option.value}
                                        className="w-full h-auto min-h-10 justify-between whitespace-normal text-start"
                                        variant="ghost"
                                        disabled={disabled}
                                        onClick={() =>
                                            handleSelect(option.value)
                                        }
                                    >
                                        <span>{str(option.label).ucFirst().value()}</span>
                                        {selectedEnum === option.value && (
                                            <CheckIcon />
                                        )}
                                    </Button>
                                ))}
                            </div>
                        </div>
                    </PopoverContent>
                </Popover>
                {!required && selectedEnum !== null && (
                    <BtnOptionnalLinkWithTooltip
                        content={<XIcon />}
                        tooltipContent={
                            <p>{str(transDelete).ucFirst().value()}</p>
                        }
                        type="button"
                        variant="destructive"
                        size="icon"
                        onClick={handleClear}
                    />
                )}
            </div>
            <InputError message={localErrors[name]} />
        </div>
    );
}