import assert from "node:assert/strict";
import { test } from "node:test";
import { createHash } from "node:crypto";
import {
  developerResponse,
  type DeveloperData,
} from "../lib/developer-response";
import {
  developerKeyInput,
  developerPagination,
  developerPage,
  type DeveloperScope,
} from "../shared/developer-api";
import { developerOpenApi } from "../shared/developer-openapi";

const owner = "00000000-0000-4000-8000-000000000001";
const keyId = "00000000-0000-4000-8000-000000000002";
const token = "mg_dev_" + "a".repeat(64);
function request(
  path = "maps",
  authorization = `Bearer ${token}`,
  method = "GET",
) {
  return new Request(`https://minegeo.site/api/dev/v1/${path}`, {
    method,
    headers: { authorization, cookie: "admin=ignored" },
  });
}
function deps(scopes: DeveloperScope[] = ["maps:read"]): DeveloperData {
  return {
    consume: async (hash) => {
      assert.equal(hash, createHash("sha256").update(token).digest("hex"));
      return {
        ok: true,
        keyId,
        ownerId: owner,
        scopes,
        limit: 60,
        remaining: 59,
        ownerLimit: 180,
        ownerRemaining: 179,
        resetAt: Math.floor(Date.now() / 1000) + 30,
      };
    },
    maps: async () => ({
      maps: [],
      pagination: { limit: 20, offset: 0, total: 0, nextOffset: null },
    }),
    map: async () => null,
    account: async () => ({ id: owner }),
    games: async () => ({ games: [] }),
  };
}
test("developer API accepts only dedicated Bearer keys, never cookies, contributor, metrics or query credentials", async () => {
  for (const auth of [
    "",
    "Bearer contributor-token",
    "Bearer mg_metrics_" + "a".repeat(64),
    token,
    `Bearer ${token}suffix`,
  ]) {
    const d = deps();
    d.consume = async () => {
      assert.fail("must reject credential shape before querying");
    };
    const r = await developerResponse(
      request("maps?key=" + token, auth),
      ["maps"],
      d,
    );
    assert.equal(r.status, 401);
    assert.match(r.headers.get("cache-control")!, /no-store/);
  }
});
test("API denies revoked/expired/unknown keys and fails closed without leaking database errors", async () => {
  for (const consume of [
    async () => ({ ok: false, error: "invalid_key" }),
    async () => {
      throw Error("private SQL password");
    },
    async () => ({ ok: true }),
  ]) {
    const d = deps();
    d.consume = consume;
    d.maps = async () => {
      assert.fail("must not read data");
    };
    const r = await developerResponse(request(), ["maps"], d);
    assert.ok([401, 503].includes(r.status));
    assert.ok(!(await r.text()).includes("private SQL"));
  }
});
test("each private API permission is independent; owner identity comes only from the validated key", async () => {
  for (const [path, scope] of [
    ["me", "account:read"],
    ["me/maps", "account:maps:read"],
    ["me/games", "account:games:read"],
  ] as const) {
    const denied = deps();
    denied.account =
      denied.games =
      denied.maps =
        async () => {
          assert.fail("missing permission must not read");
        };
    assert.equal(
      (await developerResponse(request(path), path.split("/"), denied)).status,
      403,
    );
    const allowed = deps([scope]);
    allowed.account = async (id) => {
      assert.equal(id, owner);
      return { id };
    };
    allowed.maps = async (_page, id) => {
      assert.equal(id, owner);
      return { maps: [] };
    };
    allowed.games = async (id) => {
      assert.equal(id, owner);
      return { games: [] };
    };
    assert.equal(
      (await developerResponse(request(path), path.split("/"), allowed)).status,
      200,
    );
  }
  assert.equal(
    (
      await developerResponse(
        request("me?ownerId=other"),
        ["me"],
        deps(["account:read"]),
      )
    ).status,
    400,
  );
});
test("quota rejection returns Retry-After and headers before any data read", async () => {
  const d = deps();
  d.consume = async () => ({
    ok: false,
    error: "rate_limited",
    limit: 60,
    remaining: 0,
    ownerLimit: 180,
    ownerRemaining: 0,
    resetAt: Math.floor(Date.now() / 1000) + 30,
  });
  d.maps = async () => {
    assert.fail("quota exhausted");
  };
  const r = await developerResponse(request(), ["maps"], d);
  assert.equal(r.status, 429);
  assert.equal(r.headers.get("ratelimit-remaining"), "0");
  assert.ok(Number(r.headers.get("retry-after")) > 0);
  assert.equal(r.headers.get("x-ratelimit-owner-limit"), "180");
});
test("published map lookup hides missing/private maps and forbids mutation", async () => {
  const d = deps();
  d.map = async (id) => {
    assert.equal(id, owner);
    return null;
  };
  assert.equal(
    (await developerResponse(request("maps/" + owner), ["maps", owner], d))
      .status,
    404,
  );
  assert.equal(
    (
      await developerResponse(
        request("maps/not-a-uuid"),
        ["maps", "not-a-uuid"],
        d,
      )
    ).status,
    400,
  );
  const response = await developerResponse(
    request("maps", `Bearer ${token}`, "POST"),
    ["maps"],
    d,
  );
  assert.equal(response.status, 405);
  assert.equal(response.headers.get("allow"), "GET");
});
test("pagination is bounded, search literal and strict; key scopes/expiry cannot escalate", () => {
  const url = (q: string) => new URL("https://example.com/?" + q);
  for (const q of [
    "limit=51",
    "limit=0",
    "limit=1.5",
    "offset=-1",
    "offset=10001",
    "limit=1&limit=2",
    "owner_id=other",
    "q=" + "x".repeat(81),
  ])
    assert.throws(() => developerPagination(url(q), true), q);
  assert.deepEqual(
    developerPagination(url("limit=50&offset=10&q=%25_"), true),
    { limit: 50, offset: 10, q: "%_" },
  );
  assert.equal(
    developerPage(80, { limit: 50, offset: 50, q: "" }).nextOffset,
    null,
  );
  assert.equal(
    developerPage(11000, { limit: 20, offset: 10000, q: "" }).nextOffset,
    null,
  );
  const input = { name: "Python", scopes: ["maps:read"], expiresDays: 90 };
  assert.ok(developerKeyInput.safeParse(input).success);
  for (const bad of [
    { ...input, scopes: ["admin"] },
    { ...input, scopes: [] },
    { ...input, scopes: ["maps:read", "maps:read"] },
    { ...input, expiresDays: 366 },
    { ...input, ownerId: owner },
  ])
    assert.equal(developerKeyInput.safeParse(bad).success, false);
});
test("OpenAPI documents only bounded read-only endpoints with explicit key permissions", () => {
  assert.equal(developerOpenApi.openapi, "3.1.0");
  assert.deepEqual(Object.keys(developerOpenApi.paths).sort(), [
    "/maps",
    "/maps/{id}",
    "/me",
    "/me/games",
    "/me/maps",
  ]);
  for (const path of Object.values(developerOpenApi.paths)) {
    assert.deepEqual(Object.keys(path), ["get"]);
    assert.equal(path.get.security[0].DeveloperKey.length, 0);
    assert.ok(path.get["x-required-scope"]);
  }
});