import assert from "node:assert/strict"
import { normalizeBindingPeer, PeerBindError } from "./peer-bind.js"
import { withPgOrSkip } from "../../test/pg.js"
import { dbQuery } from "../../db/index.js"

assert.throws(
  () => normalizeBindingPeer("wg", ""),
  (err: unknown) => err instanceof PeerBindError && err.status === 400,
  "WG без ключа — 400",
)
assert.equal(normalizeBindingPeer("ether", "ignored"), "")
assert.equal(normalizeBindingPeer("wg", " abc "), "abc")

if (!(await withPgOrSkip())) {
  console.log("users bindings unique+cascade tests skip")
  process.exit(0)
}

await dbQuery(`
  INSERT INTO servers (id, name, host) VALUES (91001, 'jh-bind-test', '10.0.0.1')
  ON CONFLICT (id) DO NOTHING
`)
await dbQuery(`
  INSERT INTO app_users (id, name, login)
  VALUES ('u-bind-1', 'A', 'a.bind.test'), ('u-bind-2', 'B', 'b.bind.test')
  ON CONFLICT (id) DO NOTHING
`)
await dbQuery(`DELETE FROM user_interface_bindings WHERE server_id = 91001`)
await dbQuery(`
  INSERT INTO user_interface_bindings (id, user_id, server_id, interface_name, interface_type)
  VALUES ('b-bind-1', 'u-bind-1', 91001, 'gre-office', 'gre')
`)

let uniqueIface = false
try {
  await dbQuery(`
    INSERT INTO user_interface_bindings (id, user_id, server_id, interface_name, interface_type)
    VALUES ('b-bind-2', 'u-bind-2', 91001, 'gre-office', 'gre')
  `)
} catch {
  uniqueIface = true
}
assert.equal(uniqueIface, true, "один интерфейс на сервере — один пользователь")

await dbQuery(`
  INSERT INTO user_interface_bindings (id, user_id, server_id, interface_name, interface_type, peer_public_key, peer_name)
  VALUES ('wg-bind-1', 'u-bind-1', 91001, 'wg-server', 'wg', 'peer-key-aaa', 'phone')
`)
await dbQuery(`
  INSERT INTO user_interface_bindings (id, user_id, server_id, interface_name, interface_type, peer_public_key, peer_name)
  VALUES ('wg-bind-2', 'u-bind-2', 91001, 'wg-server', 'wg', 'peer-key-bbb', 'laptop')
`)

let uniquePeer = false
try {
  await dbQuery(`
    INSERT INTO user_interface_bindings (id, user_id, server_id, interface_name, interface_type, peer_public_key)
    VALUES ('wg-bind-3', 'u-bind-2', 91001, 'wg-server', 'wg', 'peer-key-aaa')
  `)
} catch {
  uniquePeer = true
}
assert.equal(uniquePeer, true, "один пир — один пользователь")

await dbQuery(`DELETE FROM app_users WHERE id = 'u-bind-1'`)
const leftover = await dbQuery<{ n: number }>(
  `SELECT COUNT(*)::int AS n FROM user_interface_bindings WHERE server_id = 91001`,
)
assert.equal(leftover.rows[0]?.n, 1, "каскад: привязки u1 удаляются, пир u2 остаётся")

await dbQuery(`DELETE FROM app_users WHERE id IN ('u-bind-1', 'u-bind-2')`)
await dbQuery(`DELETE FROM servers WHERE id = 91001`)

console.log("users bindings unique+cascade tests ok")