import { BytescaleUploader } from '@/components/BytescaleUploader/BytescaleUploader';
import SeoFields from '@/components/SeoFields/SeoFields';
import { useEffect } from 'react';

import { Dialog, DialogContent, DialogFooter, DialogHeader, DialogTitle } from '@/components/ui/dialog';

import { Input } from '@/components/ui/input';
import { Textarea } from '@/components/ui/textarea';
import { Button } from '@/components/ui/button';
import { Label } from '@/components/ui/label';
import { Badge } from '@/components/ui/badge';
import { Switch } from '@/components/ui/switch';

import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from '@/components/ui/select';

import { Accordion, AccordionContent, AccordionItem, AccordionTrigger } from '@/components/ui/accordion';

import { Plus, Trash2 } from 'lucide-react';

interface Props {
	open: boolean;
	onOpenChange: (open: boolean) => void;
	editingPackage: any;
	pkgForm: any;
	setPkgForm: any;
	inclusionsList: any[];
	setInclusionsList: any;
	categories: any[];
	onSave: () => void;
}

export default function HealthPackageModal({
	open,
	onOpenChange,
	editingPackage,
	pkgForm,
	setPkgForm,
	inclusionsList,
	setInclusionsList,
	categories,
	onSave,
}: Props) {
	useEffect(() => {
		if (!editingPackage && pkgForm.name) {
			setPkgForm((prev: any) => ({
				...prev,
				slug: prev.slug
					? prev.slug
					: pkgForm.name
							.toLowerCase()
							.replace(/[^a-z0-9]+/g, '-')
							.replace(/(^-|-$)/g, ''),
			}));
		}
	}, [pkgForm.name]);

	const handleAddInclusionField = () => {
		setInclusionsList([
			...inclusionsList,
			{
				id: Date.now(),
				category: '',
				items: '',
			},
		]);
	};

	const handleRemoveInclusionField = (id: number) => {
		setInclusionsList(inclusionsList.filter((item) => item.id !== id));
	};

	const handleUpdateInclusionField = (id: number, field: string, value: string) => {
		setInclusionsList(
			inclusionsList.map((item) =>
				item.id === id
					? {
							...item,
							[field]: value,
						}
					: item
			)
		);
	};

	return (
		<Dialog open={open} onOpenChange={onOpenChange}>
			<DialogContent className="w-full !max-w-7xl h-[92vh] flex flex-col p-0 overflow-hidden">
				<DialogHeader className="px-6 py-5 border-b bg-background sticky top-0 z-20">
					<DialogTitle className="text-2xl font-bold">
						{editingPackage ? 'Edit Health Package' : 'Create Health Package'}
					</DialogTitle>
				</DialogHeader>

				<div className="flex-1 overflow-y-auto">
					<div className="grid grid-cols-1 xl:grid-cols-[1.2fr_0.8fr] gap-8 p-6">
						{/* LEFT COLUMN */}
						<div className="space-y-8">
							<div className="space-y-5">
								<div className="sticky top-0 bg-background z-10 pb-2">
									<h3 className="text-lg font-bold">Profile & Pricing</h3>

									<p className="text-sm text-muted-foreground">Main package information</p>
								</div>

								<div className="space-y-5">
									<div className="space-y-2">
										<Label className="font-semibold">Package Image</Label>

										<p className="text-xs text-muted-foreground">Recommended size: 650 × 250</p>

										<BytescaleUploader
											value={pkgForm.image || ''}
											folderPath="/health-packages"
											onChange={(url) =>
												setPkgForm({
													...pkgForm,
													image: url,
												})
											}
										/>
									</div>

									<div className="flex items-center justify-between border rounded-xl p-4 bg-muted/30">
										<div>
											<p className="font-semibold">Active Visibility</p>

											<p className="text-sm text-muted-foreground">Show this package publicly</p>
										</div>

										<Switch
											checked={pkgForm.isActive}
											onCheckedChange={(val) =>
												setPkgForm({
													...pkgForm,
													isActive: val,
												})
											}
										/>
									</div>

									<div className="grid grid-cols-1 md:grid-cols-2 gap-4">
										<div className="space-y-2">
											<Label className="font-semibold">Package Name</Label>

											<Input
												value={pkgForm.name}
												onChange={(e) =>
													setPkgForm({
														...pkgForm,
														name: e.target.value,
													})
												}
											/>
										</div>

										<div className="space-y-2">
											<Label className="font-semibold">URL Slug</Label>

											<Input
												value={pkgForm.slug}
												onChange={(e) =>
													setPkgForm({
														...pkgForm,
														slug: e.target.value,
													})
												}
											/>
										</div>
									</div>

									<div className="space-y-2">
										<Label className="font-semibold">Category</Label>

										<Select
											value={pkgForm.categoryId?.toString()}
											onValueChange={(v) =>
												setPkgForm({
													...pkgForm,
													categoryId: Number(v),
												})
											}
										>
											<SelectTrigger>
												<SelectValue placeholder="Select category" />
											</SelectTrigger>

											<SelectContent>
												{categories.map((c) => (
													<SelectItem key={c.id} value={c.id.toString()}>
														{c.name}
													</SelectItem>
												))}
											</SelectContent>
										</Select>
									</div>

									<div className="grid grid-cols-1 md:grid-cols-3 gap-4">
										<div className="space-y-2">
											<Label className="font-semibold">Regular Price (₹)</Label>

											<Input
												type="number"
												value={pkgForm.price || ''}
												onChange={(e) => {
													const value = e.target.value ? Number(e.target.value) : undefined;

													setPkgForm({
														...pkgForm,
														price: value,
													});
												}}
											/>
										</div>

										<div className="space-y-2">
											<Label className="font-semibold">Discounted Price (₹)</Label>

											<Input
												type="number"
												disabled={!pkgForm.price}
												value={pkgForm.discountedPrice || ''}
												onChange={(e) =>
													setPkgForm({
														...pkgForm,
														discountedPrice: e.target.value ? Number(e.target.value) : undefined,
													})
												}
											/>
										</div>

										<div className="space-y-2">
											<Label className="font-semibold">Sort Priority</Label>

											<Input
												type="number"
												value={pkgForm.sortOrder}
												onChange={(e) =>
													setPkgForm({
														...pkgForm,
														sortOrder: Number(e.target.value),
													})
												}
											/>
										</div>
									</div>

									<div className="space-y-2">
										<Label className="font-semibold">Description</Label>

										<Textarea
											rows={5}
											value={pkgForm.description}
											onChange={(e) =>
												setPkgForm({
													...pkgForm,
													description: e.target.value,
												})
											}
										/>
									</div>
								</div>
							</div>

							{/* INCLUSIONS */}
							<div className="space-y-5">
								<div className="flex items-center justify-between">
									<div>
										<h3 className="text-lg font-bold">Tests & Inclusions</h3>

										<p className="text-sm text-muted-foreground">Group tests into categories</p>
									</div>

									<Badge variant="outline">{inclusionsList.length} Groups</Badge>
								</div>

								<Accordion type="multiple" className="space-y-4">
									{inclusionsList.map((inc, index) => {
										const testCount = inc.items?.split(',').filter(Boolean).length;

										return (
											<AccordionItem
												key={inc.id}
												value={inc.id.toString()}
												className="border rounded-xl bg-background px-5 shadow-sm"
											>
												<AccordionTrigger className="hover:no-underline w-full">
													<div className="flex w-full items-center justify-between">
														<div className="flex flex-col items-start text-left">
															<p className="font-semibold">{inc.category || `Group ${index + 1}`}</p>

															<p className="text-xs text-muted-foreground">{testCount || 0} tests included</p>
														</div>

														<Button
															variant="ghost"
															size="sm"
															className="text-red-500 hover:text-red-600"
															onClick={() => handleRemoveInclusionField(inc.id)}
														>
															<Trash2 className="h-4 w-4 mr-1" />
															Remove
														</Button>
													</div>
												</AccordionTrigger>

												<AccordionContent className="pt-4">
													<div className="space-y-4">
														<div className="space-y-2">
															<Label>Category Title</Label>

															<Input
																placeholder="Routine Blood Tests"
																value={inc.category}
																onChange={(e) => handleUpdateInclusionField(inc.id, 'category', e.target.value)}
															/>
														</div>

														<div className="space-y-2">
															<div className="flex items-center justify-between">
																<Label>Included Tests</Label>
															</div>

															<Textarea
																rows={4}
																placeholder="CBC, LFT, RFT, TSH"
																value={inc.items}
																onChange={(e) => handleUpdateInclusionField(inc.id, 'items', e.target.value)}
															/>

															<p className="text-xs text-muted-foreground">Separate each test using commas</p>
														</div>
													</div>
												</AccordionContent>
											</AccordionItem>
										);
									})}
								</Accordion>

								<Button
									variant="outline"
									className="w-full border-dashed border-2 h-12"
									onClick={handleAddInclusionField}
								>
									<Plus className="h-4 w-4 mr-2" />
									Add New Inclusion Group
								</Button>
							</div>
						</div>

						{/* RIGHT COLUMN */}
						<div className="space-y-6">
							<SeoFields
								value={pkgForm.seo}
								slug={pkgForm.slug}
								folderPath="/seo"
								onChange={(seo) =>
									setPkgForm({
										...pkgForm,
										seo,
									})
								}
							/>
						</div>
					</div>
				</div>

				<DialogFooter className="p-6 border-t bg-background sticky bottom-0 z-20">
					<Button variant="ghost" onClick={() => onOpenChange(false)}>
						Cancel
					</Button>

					<Button className="px-10" onClick={onSave}>
						{editingPackage ? 'Save Changes' : 'Create Package'}
					</Button>
				</DialogFooter>
			</DialogContent>
		</Dialog>
	);
}