import { useState, type ReactNode } from "react";
import { Hash } from "lucide-react";

import {
  Dialog,
  DialogContent,
  DialogDescription,
  DialogHeader,
  DialogTitle,
  DialogTrigger,
} from "@/components/ui/dialog";
import { Input } from "@/components/ui/input";
import { Label } from "@/components/ui/label";
import { Button } from "@/components/ui/button";
import { Textarea } from "@/components/ui/textarea";

import type { DropdownSetting } from "@/types/dropdownSettings";

export interface EditDropdownSettingDialogProps {
  mode?: "create" | "edit";
  setting?: DropdownSetting;
  children: ReactNode;
}

export default function EditDropdownSettingDialog({
  mode = "create",
  setting,
  children,
}: EditDropdownSettingDialogProps) {
  const isEdit = mode === "edit";
  const [multiple, setMultiple] = useState<boolean>(setting?.multiple ?? false);
  const [searchable, setSearchable] = useState<boolean>(
    setting?.meta?.searchable ?? false,
  );
  const [clearable, setClearable] = useState<boolean>(
    setting?.meta?.clearable ?? false,
  );

  return (
    <Dialog>
      <DialogTrigger asChild>{children}</DialogTrigger>

      <DialogContent className="max-h-[90vh] overflow-y-auto sm:max-w-2xl rounded-3xl">
        <DialogHeader>
          <DialogTitle className="text-2xl font-bold">
            {isEdit ? "Edit Dropdown Setting" : "New Dropdown Setting"}
          </DialogTitle>
          <DialogDescription>
            {isEdit
              ? "Update the metadata for this dropdown setting."
              : "Define a new dynamic dropdown that admins can manage."}
          </DialogDescription>
        </DialogHeader>

        <div className="grid gap-5 py-4 md:grid-cols-2">
          <div className="space-y-2">
            <Label>Code *</Label>
            <div className="relative">
              <Hash className="absolute left-3 top-3 h-4 w-4 text-slate-400" />
              <Input
                defaultValue={setting?.code ?? ""}
                placeholder="e.g. cargo_type"
                className="pl-10 font-mono"
              />
            </div>
            <p className="text-xs text-slate-500">
              Stable identifier used in code. Use snake_case.
            </p>
          </div>

          <div className="space-y-2">
            <Label>Label *</Label>
            <Input
              defaultValue={setting?.label ?? ""}
              placeholder="e.g. Cargo Type"
            />
          </div>

          <div className="space-y-2 md:col-span-2">
            <Label>Description</Label>
            <Textarea
              defaultValue={setting?.description ?? ""}
              placeholder="What this dropdown represents and where it's used..."
            />
          </div>

          <div className="space-y-2">
            <Label>Icon (meta.icon)</Label>
            <Input
              defaultValue={setting?.meta?.icon ?? ""}
              placeholder="lucide icon name, e.g. package"
            />
          </div>

          <div className="space-y-2">
            <Label>Color (meta.color)</Label>
            <Input
              type="text"
              defaultValue={setting?.meta?.color ?? ""}
              placeholder="#33578D"
            />
          </div>

          <div className="space-y-2">
            <Label>Permissions (comma-separated)</Label>
            <Input
              defaultValue={setting?.meta?.permissions?.join(", ") ?? ""}
              placeholder="admin, ops"
            />
          </div>

          <div className="space-y-2">
            <Label>Version (meta.version)</Label>
            <Input
              defaultValue={setting?.meta?.version ?? "1.0"}
              placeholder="1.0"
            />
          </div>

          <div className="space-y-2 md:col-span-2">
            <Label>Behavior</Label>
            <div className="flex flex-wrap gap-3">
              <ToggleChip
                checked={multiple}
                onChange={setMultiple}
                label="Multi-select"
                description="Users can pick more than one option"
              />
              <ToggleChip
                checked={searchable}
                onChange={setSearchable}
                label="Searchable"
                description="Show a search input in the dropdown"
              />
              <ToggleChip
                checked={clearable}
                onChange={setClearable}
                label="Clearable"
                description="Allow users to clear the selection"
              />
            </div>
          </div>
        </div>

        <div className="flex justify-end gap-3">
          <Button variant="outline">Cancel</Button>
          <Button className="bg-[#33578D] text-white hover:bg-[#33578D]/90">
            {isEdit ? "Save Changes" : "Create Setting"}
          </Button>
        </div>
      </DialogContent>
    </Dialog>
  );
}

function ToggleChip({
  checked,
  onChange,
  label,
  description,
}: {
  checked: boolean;
  onChange: (next: boolean) => void;
  label: string;
  description: string;
}) {
  return (
    <label
      className={
        checked
          ? "flex cursor-pointer items-start gap-2 rounded-2xl border border-[#33578D]/40 bg-[#33578D]/10 px-3 py-2 text-sm"
          : "flex cursor-pointer items-start gap-2 rounded-2xl border border-slate-200 bg-white px-3 py-2 text-sm transition hover:border-[#33578D]/30 hover:bg-[#33578D]/5"
      }
    >
      <input
        type="checkbox"
        checked={checked}
        onChange={(e) => onChange(e.target.checked)}
        className="mt-0.5 h-4 w-4 rounded border-slate-300 text-[#33578D] focus:ring-[#33578D]/20"
      />
      <div>
        <p className="font-medium text-slate-900">{label}</p>
        <p className="text-xs text-slate-500">{description}</p>
      </div>
    </label>
  );
}