import { fetchJson } from "@/lib/client/fetch-json";

export type Bucket = {
    id: number;
    name: string;
    description: string | null;
    iconKey: string | null;
    budgetLimitDollars: number | null;
    position: number;
    necessity: "NECESSARY" | "BOTH" | "UNNECESSARY";
    windowDays: number;
    tags: string[];
    totalUsage: number;
    matchedCount: number;
};

export async function bucketsList() {
    return fetchJson<{ buckets: Bucket[] }>("/api/buckets", { method: "GET" });
}

export async function bucketsCreate(input: {
    name: string;
    description?: string;
    iconKey?: string | null;
    budgetLimitDollars?: number | null;
    position?: number;
    tags?: string[];
    necessity?: "NECESSARY" | "BOTH" | "UNNECESSARY";
    windowDays?: number;
}) {
    return fetchJson<{ bucket: Bucket }>("/api/buckets", {
        method: "POST",
        body: JSON.stringify(input)
    });
}

export async function bucketsUpdate(input: {
    id: number;
    name: string;
    description?: string;
    iconKey?: string | null;
    budgetLimitDollars?: number | null;
    position?: number;
    tags?: string[];
    necessity?: "NECESSARY" | "BOTH" | "UNNECESSARY";
    windowDays?: number;
}) {
    return fetchJson<{ bucket: Bucket }>(`/api/buckets/${input.id}`, {
        method: "PATCH",
        body: JSON.stringify({
            name: input.name,
            description: input.description,
            iconKey: input.iconKey,
            budgetLimitDollars: input.budgetLimitDollars,
            position: input.position,
            tags: input.tags,
            necessity: input.necessity,
            windowDays: input.windowDays
        })
    });
}

export async function bucketsDelete(input: { id: number | string }) {
    const numericId = Number(input.id);
    if (!Number.isFinite(numericId) || numericId <= 0)
        return { error: { code: "INVALID_ID", message: "Invalid id" } } as const;
    return fetchJson<{ ok: true }>(`/api/buckets/${numericId}`, { method: "DELETE" });
}