"use strict";

const assert = require("assert");
const fs = require("fs");
const path = require("path");

const toDataModuleUrl = (source) =>
  `data:text/javascript;base64,${Buffer.from(source).toString("base64")}`;

const run = async () => {
  const sessionPath = path.join(__dirname, "../utils/session.js");
  const contextPath = path.join(__dirname, "../utils/genealogy-context.js");
  const contextUrl = toDataModuleUrl(fs.readFileSync(contextPath, "utf8"));
  const originalSessionSource = fs.readFileSync(sessionPath, "utf8");
  const sessionSource = originalSessionSource.replace(
    /from\s+["']\.\/genealogy-context\.js["']\s*;/,
    `from "${contextUrl}";`,
  );

  assert.notStrictEqual(
    sessionSource,
    originalSessionSource,
    "session 必须消费唯一的当前家谱上下文所有者",
  );

  const storage = new Map();
  const removals = [];
  globalThis.uni = {
    getStorageSync: (key) => storage.get(key) || "",
    setStorageSync: (key, value) => storage.set(key, value),
    removeStorageSync: (key) => {
      removals.push(key);
      storage.delete(key);
    },
  };

  const { session } = await import(toDataModuleUrl(sessionSource));
  assert.throws(
    () => session.saveToken(""),
    /会话令牌/,
    "空令牌不能覆盖现有会话",
  );
  session.saveToken("token-1");
  globalThis.uni.setStorageSync("jiapu_current_genealogy_id", "genealogy-1");
  assert.strictEqual(session.getToken(), "token-1");

  session.saveToken("token-1");
  assert.strictEqual(
    globalThis.uni.getStorageSync("jiapu_current_genealogy_id"),
    "genealogy-1",
    "同一会话重复保存不得清掉用户当前家谱",
  );

  session.saveToken("token-2");
  assert.strictEqual(session.getToken(), "token-2");
  assert.strictEqual(
    globalThis.uni.getStorageSync("jiapu_current_genealogy_id"),
    "",
    "账号令牌变化必须先清理旧账号的家谱上下文",
  );

  globalThis.uni.setStorageSync("jiapu_current_genealogy_id", "genealogy-2");

  session.clear();
  assert.deepStrictEqual(
    removals,
    [
      "jiapu_current_genealogy_id",
      "jiapu_current_genealogy_invalidated",
      "jiapu_current_genealogy_id",
      "jiapu_current_genealogy_invalidated",
      "jiapu_token",
      "jiapu_current_genealogy_id",
      "jiapu_current_genealogy_invalidated",
    ],
    "换账号与退出必须按唯一 owner 清理旧家谱上下文",
  );
  assert.strictEqual(session.getToken(), "");
  assert.strictEqual(globalThis.uni.getStorageSync("jiapu_current_genealogy_id"), "");
  assert.strictEqual(globalThis.uni.getStorageSync("jiapu_current_genealogy_invalidated"), "");

  process.stdout.write("SESSION-RUNTIME-SMOKE PASS\n");
};

run().catch((error) => {
  process.stderr.write(`${error.stack || error.message}\n`);
  process.exit(1);
});