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

export type RecurringEntryCompat = {
    id: number;
    entryType: "SPENDING" | "INCOME";
    amountDollars: number;
    occurredAt: string;
    necessity: "NECESSARY" | "BOTH" | "UNNECESSARY";
    purchaseType: string;
    notes: string | null;
    receiptId: number | null;
    bucketId: number | null;
    tags: string[];
    isRecurring: true;
    frequency: "DAILY" | "WEEKLY" | "MONTHLY" | "YEARLY";
    intervalCount: number;
    endCondition: "NEVER" | "AFTER_COUNT" | "BY_DATE";
    endCount: number | null;
    endDate: string | null;
    nextRunAt: string | null;
    lastExecutedAt: string | null;
};

export async function recurringEntriesList() {
    return fetchJson<{ entries: RecurringEntryCompat[] }>("/api/recurring-entries", { method: "GET" });
}

export async function recurringEntriesCreate(input: {
    entryType: "SPENDING" | "INCOME";
    amountDollars: number;
    occurredAt: string;
    necessity: "NECESSARY" | "BOTH" | "UNNECESSARY";
    purchaseType: string;
    notes?: string;
    tags?: string[];
    bucketId?: number | null;
    frequency?: "DAILY" | "WEEKLY" | "MONTHLY" | "YEARLY" | null;
    intervalCount?: number;
    endCondition?: "NEVER" | "AFTER_COUNT" | "BY_DATE" | null;
    endCount?: number | null;
    endDate?: string | null;
    nextRunAt?: string | null;
}) {
    return fetchJson<{ entry: RecurringEntryCompat }>("/api/recurring-entries", {
        method: "POST",
        body: JSON.stringify(input)
    });
}

export async function recurringEntriesUpdate(input: {
    id: number;
    entryType: "SPENDING" | "INCOME";
    amountDollars: number;
    occurredAt: string;
    necessity: "NECESSARY" | "BOTH" | "UNNECESSARY";
    purchaseType: string;
    notes?: string;
    tags?: string[];
    bucketId?: number | null;
    frequency?: "DAILY" | "WEEKLY" | "MONTHLY" | "YEARLY" | null;
    intervalCount?: number;
    endCondition?: "NEVER" | "AFTER_COUNT" | "BY_DATE" | null;
    endCount?: number | null;
    endDate?: string | null;
    nextRunAt?: string | null;
}) {
    return fetchJson<{ entry: RecurringEntryCompat }>(`/api/recurring-entries/${input.id}`, {
        method: "PATCH",
        body: JSON.stringify({
            entryType: input.entryType,
            amountDollars: input.amountDollars,
            occurredAt: input.occurredAt,
            necessity: input.necessity,
            purchaseType: input.purchaseType,
            notes: input.notes,
            tags: input.tags,
            bucketId: input.bucketId,
            frequency: input.frequency,
            intervalCount: input.intervalCount,
            endCondition: input.endCondition,
            endCount: input.endCount,
            endDate: input.endDate,
            nextRunAt: input.nextRunAt
        })
    });
}

export async function recurringEntriesDelete(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/recurring-entries/${numericId}`, { method: "DELETE" });
}