import z from "zod";

/**
 * Zod schema for the HMAC signature algorithm pin. Matches the values
 * accepted by `@suaveplan/webhook-client`'s `WebhookSignatureAlgorithm`.
 */
export const WebhookSignatureAlgorithmSchema = z.enum(["sha256", "sha512"]);

/**
 * Zod schema for the persistent `WebhookEndpoint` shape. Used by the
 * `EndpointStore` conformance harness and by the read-side `GET` routes.
 */
export const WebhookEndpointSchema = z.object({
    id: z.string().min(1),
    tenantId: z.string().min(1).nullable(),
    url: z.string().url(),
    secret: z.string().min(8),
    events: z.array(z.string().min(1)).min(1).readonly(),
    description: z.string().optional(),
    headers: z.record(z.string(), z.string()).optional(),
    algorithm: WebhookSignatureAlgorithmSchema,
    active: z.boolean(),
    createdAt: z.string(),
    updatedAt: z.string(),
});

/**
 * Zod schema for `POST /webhooks` request bodies. Derives `id`,
 * `createdAt`, `updatedAt`, `algorithm` (default `"sha256"`), and
 * `active` (default `true`).
 */
export const CreateEndpointInputSchema = z.object({
    tenantId: z.string().min(1).nullable(),
    url: z.string().url(),
    secret: z.string().min(8),
    events: z.array(z.string().min(1)).min(1),
    description: z.string().optional(),
    headers: z.record(z.string(), z.string()).optional(),
    algorithm: WebhookSignatureAlgorithmSchema.optional(),
    active: z.boolean().optional(),
});

/**
 * Zod schema for `PATCH /webhooks/:id` request bodies. Every field is
 * optional and `tenantId` is intentionally absent (cross-tenant moves
 * require delete + recreate).
 */
export const UpdateEndpointInputSchema = z.object({
    url: z.string().url().optional(),
    secret: z.string().min(8).optional(),
    events: z.array(z.string().min(1)).min(1).optional(),
    description: z.string().optional(),
    headers: z.record(z.string(), z.string()).optional(),
    algorithm: WebhookSignatureAlgorithmSchema.optional(),
    active: z.boolean().optional(),
});

export type WebhookEndpointShape = z.infer<typeof WebhookEndpointSchema>;
export type CreateEndpointInputShape = z.infer<
    typeof CreateEndpointInputSchema
>;
export type UpdateEndpointInputShape = z.infer<
    typeof UpdateEndpointInputSchema
>;