import { describe, expect, test } from "bun:test";

/**
 * API Response Format Standards
 *
 * This test documents the standardized response formats across the API.
 * All endpoints should follow these patterns for consistency.
 */

describe("API Response Format Standards", () => {
	test("success responses should include success: true", () => {
		// Success-only responses (no data returned)
		const successOnly = { success: true };
		expect(successOnly).toHaveProperty("success", true);

		// Success with message
		const successWithMessage = {
			success: true,
			message: "Operation completed successfully",
		};
		expect(successWithMessage).toHaveProperty("success", true);
		expect(successWithMessage).toHaveProperty("message");

		// Success with data
		const successWithData = {
			success: true,
			data: { id: 1, name: "Test" },
		};
		expect(successWithData).toHaveProperty("success", true);
		expect(successWithData).toHaveProperty("data");
	});

	test("error responses should use error field", () => {
		const errorResponse = { error: "Something went wrong" };
		expect(errorResponse).toHaveProperty("error");
		expect(typeof errorResponse.error).toBe("string");
	});

	test("data responses can return data directly", () => {
		// Direct data return (common pattern for GET endpoints)
		const userData = {
			user: { id: 1, email: "test@example.com" },
			has_subscription: true,
		};
		expect(userData).toHaveProperty("user");

		// List responses
		const listData = {
			jobs: [{ id: "1" }, { id: "2" }],
			pagination: { limit: 50, hasMore: false, nextCursor: null },
		};
		expect(listData).toHaveProperty("jobs");
		expect(listData).toHaveProperty("pagination");
	});

	test("message-only responses are converted to success+message", () => {
		// OLD (deprecated): { message: "..." }
		// NEW (standard): { success: true, message: "..." }

		const newFormat = {
			success: true,
			message: "Verification email sent",
		};

		expect(newFormat).toHaveProperty("success", true);
		expect(newFormat).toHaveProperty("message");
	});
});

describe("API Response Patterns", () => {
	test("authentication responses", () => {
		// Login success
		const login = {
			user: { id: 1, email: "test@example.com" },
			email_verification_required: false,
		};
		expect(login).toHaveProperty("user");

		// Logout success
		const logout = { success: true };
		expect(logout.success).toBe(true);

		// Email verified
		const verified = {
			success: true,
			message: "Email verified successfully",
			email_verified: true,
			user: { id: 1, email: "test@example.com" },
		};
		expect(verified.success).toBe(true);
		expect(verified).toHaveProperty("message");
	});

	test("CRUD operation responses", () => {
		// Create (returns created object)
		const created = {
			id: "123",
			name: "New Item",
			created_at: Date.now(),
		};
		expect(created).toHaveProperty("id");

		// Update (returns success)
		const updated = { success: true };
		expect(updated.success).toBe(true);

		// Delete (returns success)
		const deleted = { success: true };
		expect(deleted.success).toBe(true);

		// Get (returns data directly)
		const fetched = {
			id: "123",
			name: "Item",
		};
		expect(fetched).toHaveProperty("id");
	});

	test("paginated list responses", () => {
		const paginatedList = {
			data: [{ id: "1" }, { id: "2" }],
			pagination: {
				limit: 50,
				hasMore: true,
				nextCursor: "MTczMjM5NjgwMHx0cmFucy0xMjM",
			},
		};

		expect(paginatedList).toHaveProperty("data");
		expect(Array.isArray(paginatedList.data)).toBe(true);
		expect(paginatedList).toHaveProperty("pagination");
		expect(paginatedList.pagination).toHaveProperty("limit");
		expect(paginatedList.pagination).toHaveProperty("hasMore");
		expect(paginatedList.pagination).toHaveProperty("nextCursor");
	});
});