import { describe, expect, it, vi } from "vitest";
import type { Nsid } from "@atcute/lexicons/syntax";
import type { OAuthUserAgent } from "@atcute/oauth-browser-client";

const agent = { sub: "did:plc:writer" } as unknown as OAuthUserAgent;
const collection = "sh.tangled.repo.issue" as Nsid;
const record = { $type: "sh.tangled.repo.issue", title: "hi" };

// doMock needs the modules loaded after it, so the imports are dynamic
const load = async () => {
	vi.resetModules();
	const inputs: Record<string, unknown>[] = [];
	vi.doMock("$app/environment", () => ({ browser: true }));
	vi.doMock("$lib/auth/agent", () => ({
		createClient: () => ({
			call: async (_schema: unknown, options: { input: Record<string, unknown> }) => {
				inputs.push(options.input);
				return { ok: true, data: { uri: "at://did:plc:writer/c/1", cid: "bafy" } };
			}
		})
	}));
	return { cache: await import("./cache"), write: await import("./write"), inputs };
};

describe("record writes", () => {
	it("drops cached reads so a write is visible on the next read", async () => {
		const { cache, write } = await load();
		const read = vi.fn().mockResolvedValue("stale");

		await cache.cached("issues:did:plc:repo:open:", 30_000, read);
		await write.putRecord(agent, collection, "3lk", record);
		await cache.cached("issues:did:plc:repo:open:", 30_000, read);

		expect(read).toHaveBeenCalledTimes(2);
	});

	it.each([
		[
			"putRecord",
			(w: any) => w.putRecord(agent, collection, "3lk", record, "bafyread"),
			"bafyread"
		],
		[
			"deleteRecord",
			(w: any) => w.deleteRecord(agent, collection, "3lk", "bafycreated"),
			"bafycreated"
		]
	])("forwards the swap guard on %s", async (_name, op, swapRecord) => {
		const { write, inputs } = await load();
		await op(write);
		expect(inputs[0]).toMatchObject({ rkey: "3lk", swapRecord });
	});

	it("takes a minted rkey instead of letting the pds assign one", async () => {
		const { write, inputs } = await load();

		await write.createRecord(agent, collection, record, "3lkminted");

		expect(inputs[0]).toMatchObject({ rkey: "3lkminted" });
	});

	it("keeps the cache when the write fails", async () => {
		vi.resetModules();
		vi.doMock("$app/environment", () => ({ browser: true }));
		vi.doMock("$lib/auth/agent", () => ({
			createClient: () => ({
				call: async () => ({
					ok: false,
					data: { error: "InvalidRequest", message: "nope" }
				})
			})
		}));
		const cache = await import("./cache");
		const write = await import("./write");
		const read = vi.fn().mockResolvedValue("fresh");

		await cache.cached("issues:did:plc:repo:open:", 30_000, read);
		await expect(write.deleteRecord(agent, collection, "3lk")).rejects.toThrow();
		await cache.cached("issues:did:plc:repo:open:", 30_000, read);

		expect(read).toHaveBeenCalledTimes(1);
	});
});

describe("readRecord", () => {
	it("returns record value and written metadata on 200", async () => {
		vi.resetModules();
		vi.doMock("$app/environment", () => ({ browser: true }));
		vi.doMock("$lib/auth/agent", () => ({
			createClient: () => ({
				call: async () => ({
					ok: true,
					data: {
						uri: "at://did:plc:writer/c/1",
						cid: "bafy123",
						value: { title: "found" }
					}
				})
			})
		}));
		const write = await import("./write");
		const result = await write.readRecord<{ title: string }>(agent, collection, "3lk");
		expect(result).toEqual({
			value: { title: "found" },
			written: { uri: "at://did:plc:writer/c/1", cid: "bafy123" }
		});
	});

	it.each(["RecordNotFound", "CouldNotFindRecord"])("returns null on %s", async (error) => {
		vi.resetModules();
		vi.doMock("$app/environment", () => ({ browser: true }));
		vi.doMock("$lib/auth/agent", () => ({
			createClient: () => ({
				call: async () => ({
					ok: false,
					data: { error, message: "not found" }
				})
			})
		}));
		const write = await import("./write");
		const result = await write.readRecord(agent, collection, "3lk");
		expect(result).toBeNull();
	});

	it("rethrows non-404 errors instead of swallowing into null", async () => {
		vi.resetModules();
		vi.doMock("$app/environment", () => ({ browser: true }));
		vi.doMock("$lib/auth/agent", () => ({
			createClient: () => ({
				call: async () => ({
					ok: false,
					status: 500,
					data: { error: "InternalServerError", message: "pds down" }
				})
			})
		}));
		const write = await import("./write");
		await expect(write.readRecord(agent, collection, "3lk")).rejects.toThrow();
	});
});