"use client";

import { useForm } from "react-hook-form";
import { createPoll, updatePoll } from "@/actions/polls";
import { Button } from "@/components/ui/button";
import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
import { DateTimePicker } from "@/components/ui/date-time-picker";
import { Input } from "@/components/ui/input";
import { Label } from "@/components/ui/label";
import {
	Select,
	SelectContent,
	SelectItem,
	SelectTrigger,
	SelectValue,
} from "@/components/ui/select";
import { Switch } from "@/components/ui/switch";
import { Textarea } from "@/components/ui/textarea";
import { useServerAction } from "@/hooks/use-server-action";
import type { CreatePollInput } from "@/lib/validators/poll";

interface PollFormProps {
	defaultValues?: Partial<CreatePollInput> & { id?: number };
}

export function PollForm({ defaultValues }: PollFormProps) {
	const { run, isPending } = useServerAction();
	const isEditing = !!defaultValues?.id;

	const form = useForm({
		defaultValues: {
			title: "",
			description: "",
			status: "draft",
			showResults: 1,
			multipleChoice: 0,
			...defaultValues,
		},
	});

	// biome-ignore lint/suspicious/noExplicitAny: explicitly chosen here, see surrounding code
	function onSubmit(data: any) {
		if (isEditing) {
			run(() => updatePoll({ id: defaultValues!.id, ...data }), {
				successMessage: "Poll updated!",
			});
		} else {
			run(() => createPoll(data), {
				successMessage: "Poll created!",
				onSuccess: (result) => {
					const data = result.data as Record<string, unknown> | undefined;
					if (data?.id) {
						window.location.href = `/admin/polls/${data.id}`;
					}
				},
			});
		}
	}

	return (
		<form onSubmit={form.handleSubmit(onSubmit)}>
			<Card>
				<CardHeader>
					<CardTitle>{isEditing ? "Edit Poll" : "Poll Details"}</CardTitle>
				</CardHeader>
				<CardContent className="space-y-4">
					<div className="space-y-2">
						<Label htmlFor="title">Title</Label>
						<Input id="title" {...form.register("title")} />
						{form.formState.errors.title && (
							<p className="text-sm text-destructive">
								{form.formState.errors.title.message}
							</p>
						)}
					</div>

					<div className="space-y-2">
						<Label htmlFor="description">Description</Label>
						<Textarea
							id="description"
							rows={3}
							{...form.register("description")}
						/>
					</div>

					<div className="grid grid-cols-1 md:grid-cols-3 gap-4">
						<div className="space-y-2">
							<Label htmlFor="status">Status</Label>
							<Select
								value={form.watch("status")}
								onValueChange={(v) =>
									form.setValue("status", v as CreatePollInput["status"])
								}
							>
								<SelectTrigger>
									<SelectValue />
								</SelectTrigger>
								<SelectContent>
									<SelectItem value="draft">Draft</SelectItem>
									<SelectItem value="active">Active</SelectItem>
									<SelectItem value="closed">Closed</SelectItem>
								</SelectContent>
							</Select>
						</div>
						<div className="space-y-2">
							<Label>Starts At</Label>
							<DateTimePicker
								value={form.watch("startsAt")}
								// biome-ignore lint/suspicious/noExplicitAny: form value type inferred loose; runtime validated by zod on submit
								onChange={(d) =>
									form.setValue("startsAt", d as any, { shouldDirty: true })
								}
								placeholder="Select start date"
							/>
						</div>
						<div className="space-y-2">
							<Label>Ends At</Label>
							<DateTimePicker
								value={form.watch("endsAt")}
								// biome-ignore lint/suspicious/noExplicitAny: form value type inferred loose; runtime validated by zod on submit
								onChange={(d) =>
									form.setValue("endsAt", d as any, { shouldDirty: true })
								}
								placeholder="Select end date"
							/>
						</div>
					</div>

					<div className="flex gap-6">
						<div className="flex items-center gap-2">
							<Switch
								checked={form.watch("showResults") === 1}
								onCheckedChange={(v) => form.setValue("showResults", v ? 1 : 0)}
							/>
							<Label>Show results to voters</Label>
						</div>
						<div className="flex items-center gap-2">
							<Switch
								checked={form.watch("multipleChoice") === 1}
								onCheckedChange={(v) =>
									form.setValue("multipleChoice", v ? 1 : 0)
								}
							/>
							<Label>Allow multiple answers</Label>
						</div>
					</div>

					<div className="flex justify-end">
						<Button type="submit" disabled={isPending}>
							{isPending
								? "Saving..."
								: isEditing
									? "Update Poll"
									: "Create Poll"}
						</Button>
					</div>
				</CardContent>
			</Card>
		</form>
	);
}