#include "gtest/gtest.h"
#include "leveldb/env.h"
#include "leveldb/db.h"
using namespace leveldb;
using Field = std::pair<std::string, std::string>;	  // field_name:field_value
using FieldArray = std::vector<std::pair<std::string, std::string>>;

Status OpenDB(std::string dbName, DB **db) {
  Options options;
  options.create_if_missing = true;
  return DB::Open(options, dbName, db);
}

TEST(TestLab1, Basic) {
    DestroyDB("testdb",Options());
    DB *db;

    if(OpenDB("testdb", &db).ok() == false) {
        std::cerr << "open db failed" << std::endl;
        abort();
    }
    std::string key = "k_1";
    
    FieldArray fields = {
        {"name", "Customer#000000001"},
        {"address", "IVhzIApeRb"}, 
        {"phone", "25-989-741-2988"}
    };

    // 序列化并插入
    db->PutFields(WriteOptions(), key, fields);

    // 读取并反序列化
    FieldArray fields_ret;
    db->GetFields(ReadOptions(), key, &fields_ret);
    // ASSERT_EQ(fields, fields_ret); 顺序不一样   
    for (const Field& pairs : fields_ret) {
      ASSERT_NE(std::find(fields.begin(), fields.end(), pairs), fields.end());
    }

    //todo
    Field field = {"name", "Customer#000000001"};
    std::vector<std::string> resKeys = db->FindKeysByField(field);
}


int main(int argc, char** argv) {
  // All tests currently run with the same read-only file limits.
  testing::InitGoogleTest(&argc, argv);
  return RUN_ALL_TESTS();
}