feat: revue de code, doc CODE_REVIEW, forfaits 2026, traduction LLM, providers avec modèle

Made-with: Cursor
This commit is contained in:
Sepehr Ramezani
2026-03-07 11:42:58 +01:00
parent 3d37ce4582
commit 473b3e26c7
181 changed files with 30617 additions and 7170 deletions

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"use client";
import { useState, useEffect, useCallback } from "react";
import { useRouter, useSearchParams } from "next/navigation";
import {
Crown, Zap, Sparkles, Building2, Rocket, BadgeCheck,
ArrowRight, AlertTriangle, CheckCircle2, XCircle,
BarChart3, FileText, Layers, Brain, CreditCard,
RefreshCw, ExternalLink, ChevronRight, Info,
TrendingUp, Calendar, Gauge
} from "lucide-react";
import { Button } from "@/components/ui/button";
import { Badge } from "@/components/ui/badge";
import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
import { Progress } from "@/components/ui/progress";
import { cn } from "@/lib/utils";
/* ─────────────────────────────────────────────
Types
───────────────────────────────────────────── */
interface UserInfo {
id: string;
email: string;
name: string;
plan: string;
subscription_status: string;
docs_translated_this_month: number;
pages_translated_this_month: number;
api_calls_this_month: number;
extra_credits: number;
subscription_ends_at?: string;
cancel_at_period_end?: boolean;
}
interface UsageLimits {
plan: string;
docs_used: number;
docs_limit: number;
pages_used: number;
pages_limit: number;
api_calls_used: number;
api_calls_limit: number;
can_translate: boolean;
upgrade_required: boolean;
extra_credits: number;
}
interface Plan {
id: string;
name: string;
price_monthly: number;
price_yearly: number;
docs_per_month: number;
max_pages_per_doc: number;
max_file_size_mb: number;
features: string[];
ai_translation: boolean;
ai_tier?: string;
api_access: boolean;
priority_processing: boolean;
team_seats?: number;
popular?: boolean;
badge?: string;
description?: string;
}
/* ─────────────────────────────────────────────
Helpers
───────────────────────────────────────────── */
const PLAN_ICONS: Record<string, any> = {
free: Sparkles, starter: Zap, pro: Crown, business: Building2, enterprise: Rocket,
};
const PLAN_COLORS: Record<string, string> = {
free: "from-slate-600 to-slate-700",
starter: "from-blue-600 to-blue-700",
pro: "from-violet-600 to-violet-700",
business: "from-emerald-600 to-emerald-700",
enterprise: "from-amber-600 to-amber-700",
};
const PLAN_LABELS: Record<string, string> = {
free: "Gratuit", starter: "Starter", pro: "Pro",
business: "Business", enterprise: "Entreprise",
};
function pct(used: number, limit: number) {
if (limit === -1) return 0;
return Math.min(100, Math.round((used / limit) * 100));
}
function fmtLimit(val: number) {
return val === -1 ? "Illimité" : String(val);
}
function UsageBar({
label, used, limit, icon,
}: { label: string; used: number; limit: number; icon: React.ReactNode }) {
const p = pct(used, limit);
const isUnlimited = limit === -1;
return (
<div className="space-y-2">
<div className="flex items-center justify-between text-sm">
<div className="flex items-center gap-2 text-gray-300">
{icon}
{label}
</div>
<span className={cn(
"font-mono text-xs",
isUnlimited ? "text-emerald-400" :
p >= 90 ? "text-red-400" : p >= 70 ? "text-amber-400" : "text-gray-400"
)}>
{isUnlimited ? "∞" : `${used} / ${limit}`}
</span>
</div>
{!isUnlimited && (
<div className="h-1.5 bg-gray-700/50 rounded-full overflow-hidden">
<div
className={cn(
"h-full rounded-full transition-all duration-700",
p >= 90 ? "bg-red-500" : p >= 70 ? "bg-amber-500" : "bg-violet-500"
)}
style={{ width: `${p}%` }}
/>
</div>
)}
</div>
);
}
/* ─────────────────────────────────────────────
Main component
───────────────────────────────────────────── */
export default function SubscriptionPage() {
const router = useRouter();
const searchParams = useSearchParams();
const targetPlan = searchParams.get("plan");
const [user, setUser] = useState<UserInfo | null>(null);
const [usage, setUsage] = useState<UsageLimits | null>(null);
const [plans, setPlans] = useState<Plan[]>([]);
const [isYearly, setIsYearly] = useState(false);
const [loadingPortal, setLoadingPortal] = useState(false);
const [cancelConfirm, setCancelConfirm] = useState(false);
const [statusMsg, setStatusMsg] = useState<{ type: "ok" | "err"; text: string } | null>(null);
const [loading, setLoading] = useState(true);
const token = typeof window !== "undefined" ? localStorage.getItem("token") : null;
const authHeaders = { Authorization: `Bearer ${token}` };
const fetchData = useCallback(async () => {
if (!token) { router.push("/auth/login?redirect=/settings/subscription"); return; }
try {
const [meRes, usageRes, plansRes] = await Promise.all([
fetch("/api/v1/auth/me", { headers: authHeaders }),
fetch("/api/v1/auth/usage", { headers: authHeaders }),
fetch("/api/v1/auth/plans"),
]);
if (meRes.ok) {
const j = await meRes.json();
setUser(j.data ?? j);
}
if (usageRes.ok) {
const j = await usageRes.json();
setUsage(j.data ?? j);
}
if (plansRes.ok) {
const j = await plansRes.json();
const d = j.data ?? j;
if (Array.isArray(d.plans)) setPlans(d.plans);
}
} catch {
// ignore
} finally {
setLoading(false);
}
}, [token]);
useEffect(() => { fetchData(); }, [fetchData]);
const handleBillingPortal = async () => {
setLoadingPortal(true);
try {
const res = await fetch("/api/v1/auth/billing-portal", { headers: authHeaders });
const j = await res.json();
const url = j.data?.url ?? j.url;
if (url) window.open(url, "_blank");
else setStatusMsg({ type: "err", text: "Portail de facturation non disponible pour le moment." });
} catch {
setStatusMsg({ type: "err", text: "Impossible d'accéder au portail de facturation." });
} finally {
setLoadingPortal(false);
}
};
const handleCancel = async () => {
if (!cancelConfirm) { setCancelConfirm(true); return; }
try {
const res = await fetch("/api/v1/auth/cancel-subscription", {
method: "POST",
headers: authHeaders,
});
if (res.ok) {
setStatusMsg({ type: "ok", text: "Abonnement annulé. Vous conservez l'accès jusqu'à la fin de la période en cours." });
setCancelConfirm(false);
fetchData();
} else {
setStatusMsg({ type: "err", text: "Erreur lors de l'annulation. Réessayez ou contactez le support." });
}
} catch {
setStatusMsg({ type: "err", text: "Erreur réseau." });
}
};
const handleSubscribe = (planId: string) => {
if (planId === "enterprise") {
window.location.href = "mailto:contact@votre-domaine.com?subject=Offre Enterprise";
return;
}
// In a real app, this would initiate a Stripe Checkout session
// For now, redirect to billing portal or show info
setStatusMsg({
type: "ok",
text: `Redirection vers Stripe pour activer le forfait ${PLAN_LABELS[planId] ?? planId}`,
});
setTimeout(() => handleBillingPortal(), 1000);
};
if (loading) {
return (
<div className="flex items-center justify-center min-h-[60vh]">
<RefreshCw className="w-8 h-8 text-violet-400 animate-spin" />
</div>
);
}
const currentPlanId = user?.plan ?? "free";
const currentPlanLabel = PLAN_LABELS[currentPlanId] ?? currentPlanId;
const Icon = PLAN_ICONS[currentPlanId] ?? Sparkles;
const gradient = PLAN_COLORS[currentPlanId] ?? PLAN_COLORS.free;
const currentPlanData = plans.find((p) => p.id === currentPlanId);
const otherPlans = plans.filter((p) => p.id !== currentPlanId);
const upgradePlans = otherPlans.filter((p) => {
const order = ["free", "starter", "pro", "business", "enterprise"];
return order.indexOf(p.id) > order.indexOf(currentPlanId);
});
const downgradePlans = otherPlans.filter((p) => {
const order = ["free", "starter", "pro", "business", "enterprise"];
return order.indexOf(p.id) < order.indexOf(currentPlanId);
});
return (
<div className="max-w-4xl mx-auto px-4 py-10 space-y-8">
<div>
<h1 className="text-3xl font-bold text-white">Mon abonnement</h1>
<p className="text-gray-400 mt-1">Gérez votre forfait, votre usage et votre facturation.</p>
</div>
{/* Status message */}
{statusMsg && (
<div className={cn(
"flex items-start gap-3 p-4 rounded-xl border",
statusMsg.type === "ok"
? "bg-emerald-900/20 border-emerald-600/30 text-emerald-300"
: "bg-red-900/20 border-red-600/30 text-red-300"
)}>
{statusMsg.type === "ok"
? <CheckCircle2 className="w-5 h-5 flex-shrink-0 mt-0.5" />
: <XCircle className="w-5 h-5 flex-shrink-0 mt-0.5" />}
<span className="text-sm">{statusMsg.text}</span>
<button className="ml-auto text-gray-500 hover:text-white" onClick={() => setStatusMsg(null)}></button>
</div>
)}
{/* ── Current plan card ── */}
<div className={cn("rounded-2xl p-1 bg-gradient-to-br", gradient)}>
<div className="bg-gray-900/90 rounded-xl p-6">
<div className="flex flex-col md:flex-row md:items-center justify-between gap-4">
<div className="flex items-center gap-4">
<div className={cn("p-3 rounded-xl bg-gradient-to-br", gradient)}>
<Icon className="w-6 h-6 text-white" />
</div>
<div>
<div className="flex items-center gap-2">
<h2 className="text-xl font-bold text-white">Forfait {currentPlanLabel}</h2>
{user?.subscription_status && (
<Badge className={cn(
"text-xs",
user.subscription_status === "active" ? "bg-emerald-600/20 text-emerald-300 border-emerald-600/30" :
user.subscription_status === "trialing" ? "bg-blue-600/20 text-blue-300 border-blue-600/30" :
"bg-amber-600/20 text-amber-300 border-amber-600/30"
)}>
{user.subscription_status === "active" ? "Actif" :
user.subscription_status === "trialing" ? "Essai" :
user.subscription_status === "canceled" ? "Annulé" :
user.subscription_status}
</Badge>
)}
</div>
{user?.subscription_ends_at && (
<p className="text-gray-400 text-sm mt-0.5">
<Calendar className="w-3.5 h-3.5 inline mr-1" />
{user.cancel_at_period_end ? "Expire le " : "Renouvellement le "}
{new Date(user.subscription_ends_at).toLocaleDateString("fr-FR", { day: "2-digit", month: "long", year: "numeric" })}
</p>
)}
</div>
</div>
<div className="flex flex-wrap gap-2">
{currentPlanId !== "free" && (
<Button
variant="outline"
className="border-gray-600 text-gray-300 hover:bg-gray-700/30"
onClick={handleBillingPortal}
disabled={loadingPortal}
>
{loadingPortal ? <RefreshCw className="w-4 h-4 animate-spin mr-1" /> : <CreditCard className="w-4 h-4 mr-1" />}
Portail de facturation
<ExternalLink className="w-3.5 h-3.5 ml-1" />
</Button>
)}
{upgradePlans.length > 0 && (
<Button
className="bg-violet-600 hover:bg-violet-500"
onClick={() => router.push("/pricing")}
>
<TrendingUp className="w-4 h-4 mr-1" /> Upgrader
</Button>
)}
</div>
</div>
</div>
</div>
{/* ── Usage this month ── */}
{usage && (
<Card className="bg-gray-900/60 border-gray-700/40">
<CardHeader className="pb-3">
<CardTitle className="text-lg flex items-center gap-2">
<BarChart3 className="w-5 h-5 text-violet-400" />
Utilisation ce mois
<span className="ml-auto text-xs text-gray-500 font-normal">Remise à zéro chaque 1er du mois</span>
</CardTitle>
</CardHeader>
<CardContent className="space-y-5">
<UsageBar
label="Documents traduits"
used={usage.docs_used}
limit={usage.docs_limit}
icon={<FileText className="w-4 h-4 text-gray-400" />}
/>
<UsageBar
label="Pages traduites"
used={usage.pages_used}
limit={usage.pages_limit}
icon={<Layers className="w-4 h-4 text-gray-400" />}
/>
{usage.api_calls_limit !== 0 && (
<UsageBar
label="Appels API"
used={usage.api_calls_used}
limit={usage.api_calls_limit}
icon={<Gauge className="w-4 h-4 text-gray-400" />}
/>
)}
{usage.extra_credits > 0 && (
<div className="flex items-center gap-3 p-3 rounded-xl bg-amber-500/10 border border-amber-500/20 text-sm">
<Info className="w-4 h-4 text-amber-400 flex-shrink-0" />
<span className="text-amber-300">
{usage.extra_credits} crédit{usage.extra_credits > 1 ? "s" : ""} supplémentaire{usage.extra_credits > 1 ? "s" : ""} disponible{usage.extra_credits > 1 ? "s" : ""}
</span>
</div>
)}
{usage.upgrade_required && (
<div className="flex items-center gap-3 p-3 rounded-xl bg-red-500/10 border border-red-500/20 text-sm">
<AlertTriangle className="w-4 h-4 text-red-400 flex-shrink-0" />
<span className="text-red-300">
Quota atteint. Achetez des crédits ou upgradez votre forfait pour continuer.
</span>
<Button size="sm" className="ml-auto bg-red-600 hover:bg-red-500 flex-shrink-0" onClick={() => router.push("/pricing")}>
Upgrader
</Button>
</div>
)}
</CardContent>
</Card>
)}
{/* ── Plan features recap ── */}
{currentPlanData && (
<Card className="bg-gray-900/60 border-gray-700/40">
<CardHeader className="pb-3">
<CardTitle className="text-lg flex items-center gap-2">
<BadgeCheck className="w-5 h-5 text-emerald-400" />
Inclus dans votre forfait
</CardTitle>
</CardHeader>
<CardContent>
<div className="grid sm:grid-cols-2 gap-2">
{currentPlanData.features.map((f, i) => (
<div key={i} className="flex items-start gap-2 text-sm">
<CheckCircle2 className="w-4 h-4 text-emerald-400 flex-shrink-0 mt-0.5" />
<span className="text-gray-300">{f}</span>
</div>
))}
</div>
</CardContent>
</Card>
)}
{/* ── Upgrade options ── */}
{upgradePlans.length > 0 && (
<div>
<h3 className="text-lg font-semibold text-white mb-4 flex items-center gap-2">
<TrendingUp className="w-5 h-5 text-violet-400" />
Passer à un forfait supérieur
</h3>
{/* Billing toggle */}
<div className="inline-flex items-center gap-2 bg-gray-800/60 border border-gray-700/50 rounded-full p-1 mb-4">
<button
onClick={() => setIsYearly(false)}
className={cn("px-4 py-1.5 rounded-full text-xs font-medium transition-all", !isYearly ? "bg-white text-gray-900" : "text-gray-400")}
>Mensuel</button>
<button
onClick={() => setIsYearly(true)}
className={cn("px-4 py-1.5 rounded-full text-xs font-medium transition-all flex items-center gap-1.5", isYearly ? "bg-white text-gray-900" : "text-gray-400")}
>
Annuel
<span className="bg-emerald-500 text-white text-xs px-1.5 py-0.5 rounded-full">20 %</span>
</button>
</div>
<div className="grid sm:grid-cols-2 gap-4">
{upgradePlans.map((plan) => {
const PIcon = PLAN_ICONS[plan.id] ?? Zap;
const grad = PLAN_COLORS[plan.id] ?? PLAN_COLORS.starter;
const price = plan.price_monthly === -1
? null
: isYearly
? (plan.price_yearly / 12).toFixed(2)
: plan.price_monthly.toFixed(2);
return (
<div
key={plan.id}
className={cn(
"relative rounded-2xl border bg-gray-900/60 overflow-hidden",
plan.popular ? "border-violet-500/50" : "border-gray-700/40"
)}
>
{plan.badge && (
<div className="absolute top-3 right-3">
<Badge className="bg-violet-600 text-white text-xs">{plan.badge}</Badge>
</div>
)}
<div className={cn("p-4 bg-gradient-to-br", grad)}>
<div className="flex items-center gap-2">
<PIcon className="w-5 h-5 text-white" />
<span className="font-bold text-white">{plan.name}</span>
</div>
<div className="mt-2 flex items-end gap-1">
{price === null ? (
<span className="text-2xl font-bold text-white">Sur devis</span>
) : (
<>
<span className="text-2xl font-bold text-white">{price} </span>
<span className="text-white/70 text-sm pb-0.5">/mois</span>
</>
)}
</div>
</div>
<div className="p-4 space-y-2">
{plan.features.slice(0, 4).map((f, i) => (
<div key={i} className="flex items-start gap-2 text-xs text-gray-300">
<CheckCircle2 className="w-3.5 h-3.5 text-emerald-400 flex-shrink-0 mt-0.5" />
{f}
</div>
))}
{plan.features.length > 4 && (
<p className="text-xs text-gray-500">+{plan.features.length - 4} autres avantages</p>
)}
<button
onClick={() => handleSubscribe(plan.id)}
className={cn(
"mt-3 w-full py-2 rounded-xl text-sm font-semibold text-white flex items-center justify-center gap-2 transition-all",
`bg-gradient-to-r ${grad} hover:opacity-90`
)}
>
Passer au forfait {plan.name} <ChevronRight className="w-4 h-4" />
</button>
</div>
</div>
);
})}
</div>
</div>
)}
{/* ── Buy credits ── */}
<Card className="bg-gray-900/60 border-gray-700/40">
<CardHeader className="pb-3">
<CardTitle className="text-lg flex items-center gap-2">
<CreditCard className="w-5 h-5 text-amber-400" />
Crédits supplémentaires
</CardTitle>
<p className="text-gray-400 text-sm">1 crédit = 1 page traduite. Utilisables sans expiration.</p>
</CardHeader>
<CardContent>
<div className="grid grid-cols-2 sm:grid-cols-4 gap-3">
{[
{ credits: 50, price: 5 },
{ credits: 150, price: 12, popular: true },
{ credits: 500, price: 35 },
{ credits: 1000, price: 60 },
].map((pkg, i) => (
<div
key={i}
className={cn(
"relative p-4 rounded-xl border text-center",
pkg.popular
? "border-amber-500/50 bg-amber-500/10"
: "border-gray-700/40 bg-gray-800/30"
)}
>
{pkg.popular && (
<div className="absolute -top-2 left-1/2 -translate-x-1/2 px-2 py-0.5 bg-amber-600 text-white text-xs rounded-full font-bold whitespace-nowrap">
Meilleure valeur
</div>
)}
<div className="text-xl font-bold text-white">{pkg.credits}</div>
<div className="text-gray-400 text-xs mb-2">crédits</div>
<div className="text-lg font-bold text-white">{pkg.price} </div>
<div className="text-gray-500 text-xs mb-3">{((pkg.price / pkg.credits) * 100).toFixed(0)} cts/crédit</div>
<button
onClick={handleBillingPortal}
className="w-full py-1.5 rounded-lg bg-gray-700 hover:bg-gray-600 text-white text-xs transition-all"
>
Acheter
</button>
</div>
))}
</div>
</CardContent>
</Card>
{/* ── Downgrade / Cancel ── */}
{currentPlanId !== "free" && (
<Card className="bg-gray-900/60 border-gray-700/40">
<CardHeader className="pb-3">
<CardTitle className="text-lg text-red-400 flex items-center gap-2">
<AlertTriangle className="w-5 h-5" />
Zone de danger
</CardTitle>
</CardHeader>
<CardContent className="space-y-4">
{downgradePlans.length > 0 && (
<div>
<p className="text-sm text-gray-400 mb-2">Rétrograder vers un forfait inférieur :</p>
<div className="flex flex-wrap gap-2">
{downgradePlans.map((p) => (
<button
key={p.id}
onClick={() => handleSubscribe(p.id)}
className="px-4 py-2 rounded-lg bg-gray-800 hover:bg-gray-700 text-gray-300 text-sm border border-gray-700/50 transition-all"
>
Passer à {p.name}
</button>
))}
</div>
</div>
)}
<div className="border-t border-gray-700/30 pt-4">
{!cancelConfirm ? (
<div className="flex items-center justify-between">
<div>
<p className="text-sm font-medium text-white">Annuler mon abonnement</p>
<p className="text-xs text-gray-500 mt-0.5">Vous conservez l'accès jusqu'à la fin de la période payée.</p>
</div>
<Button
variant="outline"
className="border-red-700/50 text-red-400 hover:bg-red-900/20"
onClick={() => setCancelConfirm(true)}
>
Annuler l'abonnement
</Button>
</div>
) : (
<div className="p-4 rounded-xl bg-red-900/20 border border-red-600/30 space-y-3">
<p className="text-sm text-red-300 font-medium">
⚠️ Confirmer l'annulation ?
</p>
<p className="text-xs text-gray-400">
Votre abonnement sera annulé et vous reviendrez au forfait Gratuit à la fin de la période en cours.
Vos documents traduits resteront accessibles pendant 30 jours.
</p>
<div className="flex gap-2">
<Button
className="bg-red-600 hover:bg-red-500 text-white"
onClick={handleCancel}
>
Oui, annuler mon abonnement
</Button>
<Button
variant="outline"
className="border-gray-600 text-gray-300"
onClick={() => setCancelConfirm(false)}
>
Non, conserver
</Button>
</div>
</div>
)}
</div>
</CardContent>
</Card>
)}
{/* Link to full pricing */}
<div className="text-center">
<button
onClick={() => router.push("/pricing")}
className="text-violet-400 hover:text-violet-300 text-sm flex items-center gap-1 mx-auto"
>
Voir tous les forfaits en détail <ChevronRight className="w-4 h-4" />
</button>
</div>
</div>
);
}