#include <gtest/gtest.h>
#include <gmock/gmock.h>
#include "collector/DataCollector.h"
#include "utils/Logger.h"

// 创建一个 Mock DataSource 类
class MockDataSource : public DataSource {
public:
    MOCK_METHOD(bool, connect, (), (override));
    MOCK_METHOD(void, disconnect, (), (override));
    MOCK_METHOD(bool, isAvailable, (), (const, override));
    MOCK_METHOD(bool, fetchAircraftData, (std::vector<Aircraft>&), (override));
    MOCK_METHOD(bool, fetchVehicleData, (std::vector<Vehicle>&), (override));
};

class DataCollectorTest : public ::testing::Test {
protected:
    void SetUp() override {
        collector = std::make_unique<DataCollector>();
        mockSource = std::make_shared<::testing::NiceMock<MockDataSource>>();
        collector->setDataSource(mockSource);
    }

    void TearDown() override {
        collector.reset();
    }

    // 创建测试数据
    Aircraft createTestAircraft(const std::string& id, double lat, double lon) {
        Aircraft a;
        a.id = id;
        a.flightNo = id;
        a.trackNumber = "TN" + id;
        a.geo.latitude = lat;
        a.geo.longitude = lon;
        a.altitude = 5.0;
        a.timestamp = std::chrono::system_clock::now().time_since_epoch().count();
        return a;
    }

    Vehicle createTestVehicle(const std::string& id, double lat, double lon) {
        Vehicle v;
        v.id = id;
        v.vehicleNo = id;
        v.geo.latitude = lat;
        v.geo.longitude = lon;
        v.timestamp = std::chrono::system_clock::now().time_since_epoch().count();
        return v;
    }

    std::unique_ptr<DataCollector> collector;
    std::shared_ptr<MockDataSource> mockSource;
};

// 测试初始化
TEST_F(DataCollectorTest, Initialization) {
    DataSourceConfig dataSourceConfig;
    dataSourceConfig.host = "localhost";
    dataSourceConfig.port = 8080;
    dataSourceConfig.aircraft_path = "/api/getCurrentFlightPositions";

    WarnConfig warnConfig;
    warnConfig.warning_interval_ms = 1000;
    warnConfig.log_interval_ms = 2000;

    EXPECT_TRUE(collector->initialize(dataSourceConfig, warnConfig));
}

// 测试刷新方法
TEST_F(DataCollectorTest, RefreshTest) {
    std::vector<Aircraft> testAircraft = {
        createTestAircraft("TEST1", 36.36, 120.08),
        createTestAircraft("TEST2", 36.37, 120.09)
    };
    
    std::vector<Vehicle> testVehicles = {
        createTestVehicle("VEH1", 36.36, 120.08),
        createTestVehicle("VEH2", 36.37, 120.09)
    };
    
    // 设置 Mock 数据返回
    EXPECT_CALL(*mockSource, fetchAircraftData)
        .WillOnce(::testing::DoAll(
            ::testing::SetArgReferee<0>(testAircraft),
            ::testing::Return(true)
        ));
        
    EXPECT_CALL(*mockSource, fetchVehicleData)
        .WillOnce(::testing::DoAll(
            ::testing::SetArgReferee<0>(testVehicles),
            ::testing::Return(true)
        ));
    
    // 执行刷新
    collector->refresh();
    
    // 验证数据
    auto aircraft = collector->getAircraftData();
    EXPECT_EQ(aircraft.size(), 2);
    if (!aircraft.empty()) {
        EXPECT_EQ(aircraft[0].flightNo, "TEST1");
        EXPECT_EQ(aircraft[1].flightNo, "TEST2");
    }
    
    auto vehicles = collector->getVehicleData();
    EXPECT_EQ(vehicles.size(), 2);
    if (!vehicles.empty()) {
        EXPECT_EQ(vehicles[0].vehicleNo, "VEH1");
        EXPECT_EQ(vehicles[1].vehicleNo, "VEH2");
    }
}

// 测试数据采集循环
TEST_F(DataCollectorTest, DataCollectionLoop) {
    std::vector<Aircraft> testAircraft = {
        createTestAircraft("TEST1", 36.36, 120.08)
    };
    
    std::vector<Vehicle> testVehicles = {
        createTestVehicle("VEH1", 36.36, 120.08)
    };
    
    // 设置 Mock 数据返回
    EXPECT_CALL(*mockSource, fetchAircraftData)
        .WillRepeatedly(::testing::DoAll(
            ::testing::SetArgReferee<0>(testAircraft),
            ::testing::Return(true)
        ));
        
    EXPECT_CALL(*mockSource, fetchVehicleData)
        .WillRepeatedly(::testing::DoAll(
            ::testing::SetArgReferee<0>(testVehicles),
            ::testing::Return(true)
        ));
    
    // 启动采集
    collector->start();
    
    // 等待数据采集
    std::this_thread::sleep_for(std::chrono::seconds(2));
    
    // 停止采集
    collector->stop();
    
    // 验证数据
    auto aircraft = collector->getAircraftData();
    EXPECT_EQ(aircraft.size(), 1);
    
    auto vehicles = collector->getVehicleData();
    EXPECT_EQ(vehicles.size(), 1);
}

// 测试错误处理
TEST_F(DataCollectorTest, ErrorHandling) {
    // 设置 Mock 返回错误
    EXPECT_CALL(*mockSource, fetchAircraftData)
        .WillOnce(::testing::Return(false));
    EXPECT_CALL(*mockSource, fetchVehicleData)
        .WillOnce(::testing::Return(false));
    
    // 执行刷新
    collector->refresh();
    
    // 验证数据为空
    auto aircraft = collector->getAircraftData();
    EXPECT_TRUE(aircraft.empty());
    
    auto vehicles = collector->getVehicleData();
    EXPECT_TRUE(vehicles.empty());
}