import type { Ref } from "react";
import {
    Command,
    CommandEmpty,
    CommandGroup,
    CommandInput,
    CommandItem,
    CommandList
} from "../ui/command";
import { cn } from "@app/lib/cn";
import { CheckIcon } from "lucide-react";
import { useTranslations } from "next-intl";

export type TagValue = { text: string; id: string };

export type MultiSelectTagsProps<T extends TagValue> = {
    emptyPlaceholder?: string;
    searchPlaceholder?: string;
    searchQuery?: string;
    options: Array<T>;
    value: Array<T>;
    onChange: (newValue: Array<T>) => void;
    onSearch: (query: string) => void;
    ref?: Ref<HTMLButtonElement>;
    disabled?: boolean;
    lockedIds?: Set<string>;
};

export function MultiSelectContent<T extends TagValue>({
    emptyPlaceholder,
    searchPlaceholder,
    searchQuery,
    value,
    options,
    onSearch,
    onChange,
    lockedIds
}: MultiSelectTagsProps<T>) {
    const t = useTranslations();
    const selectedValues = new Set(value.map((v) => v.id));
    return (
        <Command shouldFilter={false}>
            <CommandInput
                placeholder={searchPlaceholder ?? t("search")}
                value={searchQuery}
                onValueChange={onSearch}
            />
            <CommandList>
                <CommandEmpty className="text-muted-foreground">
                    {emptyPlaceholder ?? t("noResults")}
                </CommandEmpty>
                <CommandGroup>
                    {options.map((option) => {
                        const isLocked = lockedIds?.has(option.id);
                        return (
                            <CommandItem
                                value={option.id}
                                key={option.id}
                                disabled={isLocked}
                                onSelect={() => {
                                    if (isLocked) return;
                                    let newValues = [];
                                    if (selectedValues.has(option.id)) {
                                        newValues = value.filter(
                                            (v) => v.id !== option.id
                                        );
                                    } else {
                                        newValues = [...value, option];
                                    }
                                    onChange(newValues);
                                }}
                            >
                                <CheckIcon
                                    className={cn(
                                        "mr-2 h-4 w-4",
                                        selectedValues.has(option.id)
                                            ? "opacity-100"
                                            : "opacity-0"
                                    )}
                                />
                                {`${option.text}`}
                            </CommandItem>
                        );
                    })}
                </CommandGroup>
            </CommandList>
        </Command>
    );
}