SurfSense/surfsense_web/components/new-chat/image-config-dialog.tsx

"use client";

import { useAtomValue } from "jotai";
import { AlertCircle, Check, ChevronsUpDown, X } from "lucide-react";
import { AnimatePresence, motion } from "motion/react";
import { useCallback, useEffect, useMemo, useRef, useState } from "react";
import { createPortal } from "react-dom";
import { toast } from "sonner";
import {
	createImageGenConfigMutationAtom,
	updateImageGenConfigMutationAtom,
} from "@/atoms/image-gen-config/image-gen-config-mutation.atoms";
import { updateLLMPreferencesMutationAtom } from "@/atoms/new-llm-config/new-llm-config-mutation.atoms";
import { Alert, AlertDescription } from "@/components/ui/alert";
import { Badge } from "@/components/ui/badge";
import { Button } from "@/components/ui/button";
import {
	Command,
	CommandEmpty,
	CommandGroup,
	CommandInput,
	CommandItem,
	CommandList,
} from "@/components/ui/command";
import { Input } from "@/components/ui/input";
import { Label } from "@/components/ui/label";
import { Popover, PopoverContent, PopoverTrigger } from "@/components/ui/popover";
import {
	Select,
	SelectContent,
	SelectItem,
	SelectTrigger,
	SelectValue,
} from "@/components/ui/select";
import { Separator } from "@/components/ui/separator";
import { Spinner } from "@/components/ui/spinner";
import { IMAGE_GEN_MODELS, IMAGE_GEN_PROVIDERS } from "@/contracts/enums/image-gen-providers";
import type {
	GlobalImageGenConfig,
	ImageGenerationConfig,
	ImageGenProvider,
} from "@/contracts/types/new-llm-config.types";
import { cn } from "@/lib/utils";

interface ImageConfigDialogProps {
	open: boolean;
	onOpenChange: (open: boolean) => void;
	config: ImageGenerationConfig | GlobalImageGenConfig | null;
	isGlobal: boolean;
	searchSpaceId: number;
	mode: "create" | "edit" | "view";
}

const INITIAL_FORM = {
	name: "",
	description: "",
	provider: "",
	model_name: "",
	api_key: "",
	api_base: "",
	api_version: "",
};

export function ImageConfigDialog({
	open,
	onOpenChange,
	config,
	isGlobal,
	searchSpaceId,
	mode,
}: ImageConfigDialogProps) {
	const [isSubmitting, setIsSubmitting] = useState(false);
	const [mounted, setMounted] = useState(false);
	const [formData, setFormData] = useState(INITIAL_FORM);
	const [modelComboboxOpen, setModelComboboxOpen] = useState(false);
	const [scrollPos, setScrollPos] = useState<"top" | "middle" | "bottom">("top");
	const scrollRef = useRef<HTMLDivElement>(null);

	useEffect(() => {
		setMounted(true);
	}, []);

	useEffect(() => {
		if (open) {
			if (mode === "edit" && config && !isGlobal) {
				setFormData({
					name: config.name || "",
					description: config.description || "",
					provider: config.provider || "",
					model_name: config.model_name || "",
					api_key: (config as ImageGenerationConfig).api_key || "",
					api_base: config.api_base || "",
					api_version: config.api_version || "",
				});
			} else if (mode === "create") {
				setFormData(INITIAL_FORM);
			}
			setScrollPos("top");
		}
	}, [open, mode, config, isGlobal]);

	const { mutateAsync: createConfig } = useAtomValue(createImageGenConfigMutationAtom);
	const { mutateAsync: updateConfig } = useAtomValue(updateImageGenConfigMutationAtom);
	const { mutateAsync: updatePreferences } = useAtomValue(updateLLMPreferencesMutationAtom);

	useEffect(() => {
		const handleEscape = (e: KeyboardEvent) => {
			if (e.key === "Escape" && open) onOpenChange(false);
		};
		window.addEventListener("keydown", handleEscape);
		return () => window.removeEventListener("keydown", handleEscape);
	}, [open, onOpenChange]);

	const handleScroll = useCallback((e: React.UIEvent<HTMLDivElement>) => {
		const el = e.currentTarget;
		const atTop = el.scrollTop <= 2;
		const atBottom = el.scrollHeight - el.scrollTop - el.clientHeight <= 2;
		setScrollPos(atTop ? "top" : atBottom ? "bottom" : "middle");
	}, []);

	const isAutoMode = config && "is_auto_mode" in config && config.is_auto_mode;

	const suggestedModels = useMemo(() => {
		if (!formData.provider) return [];
		return IMAGE_GEN_MODELS.filter((m) => m.provider === formData.provider);
	}, [formData.provider]);

	const getTitle = () => {
		if (mode === "create") return "Add Image Model";
		if (isAutoMode) return "Auto Mode (Fastest)";
		if (isGlobal) return "View Global Image Model";
		return "Edit Image Model";
	};

	const getSubtitle = () => {
		if (mode === "create") return "Set up a new image generation provider";
		if (isAutoMode) return "Automatically routes requests across providers";
		if (isGlobal) return "Read-only global configuration";
		return "Update your image model settings";
	};

	const handleSubmit = useCallback(async () => {
		setIsSubmitting(true);
		try {
			if (mode === "create") {
				const result = await createConfig({
					name: formData.name,
					provider: formData.provider as ImageGenProvider,
					model_name: formData.model_name,
					api_key: formData.api_key,
					api_base: formData.api_base || undefined,
					api_version: formData.api_version || undefined,
					description: formData.description || undefined,
					search_space_id: searchSpaceId,
				});
				if (result?.id) {
					await updatePreferences({
						search_space_id: searchSpaceId,
						data: { image_generation_config_id: result.id },
					});
				}
				toast.success("Image model created and assigned!");
				onOpenChange(false);
			} else if (!isGlobal && config) {
				await updateConfig({
					id: config.id,
					data: {
						name: formData.name,
						description: formData.description || undefined,
						provider: formData.provider as ImageGenProvider,
						model_name: formData.model_name,
						api_key: formData.api_key,
						api_base: formData.api_base || undefined,
						api_version: formData.api_version || undefined,
					},
				});
				toast.success("Image model updated!");
				onOpenChange(false);
			}
		} catch (error) {
			console.error("Failed to save image config:", error);
			toast.error("Failed to save image model");
		} finally {
			setIsSubmitting(false);
		}
	}, [
		mode,
		isGlobal,
		config,
		formData,
		searchSpaceId,
		createConfig,
		updateConfig,
		updatePreferences,
		onOpenChange,
	]);

	const handleUseGlobalConfig = useCallback(async () => {
		if (!config || !isGlobal) return;
		setIsSubmitting(true);
		try {
			await updatePreferences({
				search_space_id: searchSpaceId,
				data: { image_generation_config_id: config.id },
			});
			toast.success(`Now using ${config.name}`);
			onOpenChange(false);
		} catch (error) {
			console.error("Failed to set image model:", error);
			toast.error("Failed to set image model");
		} finally {
			setIsSubmitting(false);
		}
	}, [config, isGlobal, searchSpaceId, updatePreferences, onOpenChange]);

	const isFormValid = formData.name && formData.provider && formData.model_name && formData.api_key;
	const selectedProvider = IMAGE_GEN_PROVIDERS.find((p) => p.value === formData.provider);

	if (!mounted) return null;

	const dialogContent = (
		<AnimatePresence>
			{open && (
				<>
					<motion.div
						initial={{ opacity: 0 }}
						animate={{ opacity: 1 }}
						exit={{ opacity: 0 }}
						transition={{ duration: 0.15 }}
						className="fixed inset-0 z-50 bg-black/50 backdrop-blur-sm"
						onClick={() => onOpenChange(false)}
					/>

					<motion.div
						initial={{ opacity: 0, scale: 0.96 }}
						animate={{ opacity: 1, scale: 1 }}
						exit={{ opacity: 0, scale: 0.96 }}
						transition={{ duration: 0.15, ease: "easeOut" }}
						className="fixed inset-0 z-50 flex items-center justify-center p-4 sm:p-6"
					>
						<div
							role="dialog"
							aria-modal="true"
							className={cn(
								"relative w-full max-w-lg h-[85vh]",
								"rounded-xl bg-background shadow-2xl",
								"dark:bg-neutral-900",
								"flex flex-col overflow-hidden"
							)}
							onClick={(e) => e.stopPropagation()}
							onKeyDown={(e) => {
								if (e.key === "Escape") onOpenChange(false);
							}}
						>
							{/* Header */}
							<div className="flex items-start justify-between px-6 pt-6 pb-4">
								<div className="space-y-1 pr-8">
									<div className="flex items-center gap-2">
										<h2 className="text-lg font-semibold tracking-tight">{getTitle()}</h2>
										{isAutoMode && (
											<Badge variant="secondary" className="text-[10px]">
												Recommended
											</Badge>
										)}
										{isGlobal && !isAutoMode && mode !== "create" && (
											<Badge variant="secondary" className="text-[10px]">
												Global
											</Badge>
										)}
									</div>
									<p className="text-sm text-muted-foreground">{getSubtitle()}</p>
									{config && !isAutoMode && mode !== "create" && (
										<p className="text-xs font-mono text-muted-foreground/70">
											{config.model_name}
										</p>
									)}
								</div>
								<Button
									variant="ghost"
									size="icon"
									onClick={() => onOpenChange(false)}
									className="absolute right-4 top-4 h-8 w-8 rounded-full text-muted-foreground hover:text-foreground"
								>
									<X className="h-4 w-4" />
									<span className="sr-only">Close</span>
								</Button>
							</div>

							{/* Scrollable content */}
							<div
								ref={scrollRef}
								onScroll={handleScroll}
								className="flex-1 overflow-y-auto px-6 py-5"
								style={{
									maskImage: `linear-gradient(to bottom, ${scrollPos === "top" ? "black" : "transparent"}, black 16px, black calc(100% - 16px), ${scrollPos === "bottom" ? "black" : "transparent"})`,
									WebkitMaskImage: `linear-gradient(to bottom, ${scrollPos === "top" ? "black" : "transparent"}, black 16px, black calc(100% - 16px), ${scrollPos === "bottom" ? "black" : "transparent"})`,
								}}
							>
								{isAutoMode && (
									<Alert className="mb-5 border-violet-500/30 bg-violet-500/5">
										<AlertDescription className="text-sm text-violet-700 dark:text-violet-400">
											Auto mode distributes image generation requests across all configured
											providers for optimal performance and rate limit protection.
										</AlertDescription>
									</Alert>
								)}

								{isGlobal && !isAutoMode && config && (
									<>
										<Alert className="mb-5 border-amber-500/30 bg-amber-500/5">
											<AlertCircle className="size-4 text-amber-500" />
											<AlertDescription className="text-sm text-amber-700 dark:text-amber-400">
												Global configurations are read-only. To customize, create a new model.
											</AlertDescription>
										</Alert>
										<div className="space-y-4">
											<div className="grid gap-4 sm:grid-cols-2">
												<div className="space-y-1.5">
													<div className="text-xs font-medium text-muted-foreground uppercase tracking-wider">
														Name
													</div>
													<p className="text-sm font-medium">{config.name}</p>
												</div>
												{config.description && (
													<div className="space-y-1.5">
														<div className="text-xs font-medium text-muted-foreground uppercase tracking-wider">
															Description
														</div>
														<p className="text-sm text-muted-foreground">{config.description}</p>
													</div>
												)}
											</div>
											<Separator />
											<div className="grid gap-4 sm:grid-cols-2">
												<div className="space-y-1.5">
													<div className="text-xs font-medium text-muted-foreground uppercase tracking-wider">
														Provider
													</div>
													<p className="text-sm font-medium">{config.provider}</p>
												</div>
												<div className="space-y-1.5">
													<div className="text-xs font-medium text-muted-foreground uppercase tracking-wider">
														Model
													</div>
													<p className="text-sm font-medium font-mono">{config.model_name}</p>
												</div>
											</div>
										</div>
									</>
								)}

								{(mode === "create" || (mode === "edit" && !isGlobal)) && (
									<div className="space-y-4">
										<div className="space-y-2">
											<Label className="text-sm font-medium">Name *</Label>
											<Input
												placeholder="e.g., My DALL-E 3"
												value={formData.name}
												onChange={(e) => setFormData((p) => ({ ...p, name: e.target.value }))}
											/>
										</div>

										<div className="space-y-2">
											<Label className="text-sm font-medium">Description</Label>
											<Input
												placeholder="Optional description"
												value={formData.description}
												onChange={(e) =>
													setFormData((p) => ({ ...p, description: e.target.value }))
												}
											/>
										</div>

										<Separator />

										<div className="space-y-2">
											<Label className="text-sm font-medium">Provider *</Label>
											<Select
												value={formData.provider}
												onValueChange={(val) =>
													setFormData((p) => ({ ...p, provider: val, model_name: "" }))
												}
											>
												<SelectTrigger>
													<SelectValue placeholder="Select a provider" />
												</SelectTrigger>
												<SelectContent className="bg-muted dark:border-neutral-700">
													{IMAGE_GEN_PROVIDERS.map((p) => (
														<SelectItem key={p.value} value={p.value} description={p.example}>
															{p.label}
														</SelectItem>
													))}
												</SelectContent>
											</Select>
										</div>

										<div className="space-y-2">
											<Label className="text-sm font-medium">Model Name *</Label>
											{suggestedModels.length > 0 ? (
												<Popover open={modelComboboxOpen} onOpenChange={setModelComboboxOpen}>
													<PopoverTrigger asChild>
														<Button
															variant="outline"
															role="combobox"
															className="w-full justify-between font-normal bg-transparent"
														>
															{formData.model_name || "Select or type a model..."}
															<ChevronsUpDown className="ml-2 h-4 w-4 shrink-0 opacity-50" />
														</Button>
													</PopoverTrigger>
													<PopoverContent
														className="w-full p-0 bg-muted dark:border-neutral-700"
														align="start"
													>
														<Command className="bg-transparent">
															<CommandInput
																placeholder="Search or type model..."
																value={formData.model_name}
																onValueChange={(val) =>
																	setFormData((p) => ({ ...p, model_name: val }))
																}
															/>
															<CommandList>
																<CommandEmpty>
																	<span className="text-xs text-muted-foreground">
																		Type a custom model name
																	</span>
																</CommandEmpty>
																<CommandGroup>
																	{suggestedModels.map((m) => (
																		<CommandItem
																			key={m.value}
																			value={m.value}
																			onSelect={() => {
																				setFormData((p) => ({ ...p, model_name: m.value }));
																				setModelComboboxOpen(false);
																			}}
																		>
																			<Check
																				className={cn(
																					"mr-2 h-4 w-4",
																					formData.model_name === m.value
																						? "opacity-100"
																						: "opacity-0"
																				)}
																			/>
																			<span className="font-mono text-sm">{m.value}</span>
																			<span className="ml-2 text-xs text-muted-foreground">
																				{m.label}
																			</span>
																		</CommandItem>
																	))}
																</CommandGroup>
															</CommandList>
														</Command>
													</PopoverContent>
												</Popover>
											) : (
												<Input
													placeholder="e.g., dall-e-3"
													value={formData.model_name}
													onChange={(e) =>
														setFormData((p) => ({ ...p, model_name: e.target.value }))
													}
												/>
											)}
										</div>

										<div className="space-y-2">
											<Label className="text-sm font-medium">API Key *</Label>
											<Input
												type="password"
												placeholder="sk-..."
												value={formData.api_key}
												onChange={(e) => setFormData((p) => ({ ...p, api_key: e.target.value }))}
											/>
										</div>

										<div className="space-y-2">
											<Label className="text-sm font-medium">API Base URL</Label>
											<Input
												placeholder={selectedProvider?.apiBase || "Optional"}
												value={formData.api_base}
												onChange={(e) => setFormData((p) => ({ ...p, api_base: e.target.value }))}
											/>
										</div>

										{formData.provider === "AZURE_OPENAI" && (
											<div className="space-y-2">
												<Label className="text-sm font-medium">API Version (Azure)</Label>
												<Input
													placeholder="2024-02-15-preview"
													value={formData.api_version}
													onChange={(e) =>
														setFormData((p) => ({ ...p, api_version: e.target.value }))
													}
												/>
											</div>
										)}
									</div>
								)}
							</div>

							{/* Fixed footer */}
							<div className="shrink-0 px-6 py-4 flex items-center justify-end gap-3">
								<Button
									type="button"
									variant="secondary"
									onClick={() => onOpenChange(false)}
									disabled={isSubmitting}
									className="text-sm h-9"
								>
									Cancel
								</Button>
								{mode === "create" || (mode === "edit" && !isGlobal) ? (
									<Button
										onClick={handleSubmit}
										disabled={isSubmitting || !isFormValid}
										className="text-sm h-9 min-w-[120px]"
									>
										{isSubmitting ? (
											<>
												<Spinner size="sm" />
												{mode === "edit" ? "Saving" : "Creating"}
											</>
										) : mode === "edit" ? (
											"Save Changes"
										) : (
											"Create & Use"
										)}
									</Button>
								) : isAutoMode ? (
									<Button
										className="text-sm h-9 gap-2 bg-gradient-to-r from-violet-500 to-purple-600 hover:from-violet-600 hover:to-purple-700"
										onClick={handleUseGlobalConfig}
										disabled={isSubmitting}
									>
										{isSubmitting ? "Loading..." : "Use Auto Mode"}
									</Button>
								) : isGlobal && config ? (
									<Button
										className="text-sm h-9 gap-2"
										onClick={handleUseGlobalConfig}
										disabled={isSubmitting}
									>
										{isSubmitting ? "Loading..." : "Use This Model"}
									</Button>
								) : null}
							</div>
						</div>
					</motion.div>
				</>
			)}
		</AnimatePresence>
	);

	return typeof document !== "undefined" ? createPortal(dialogContent, document.body) : null;
}