using Xunit;
using Moq;
using FluentAssertions;
using Microsoft.Extensions.Logging;
using Haoliang.Core.Services;
using Haoliang.Models.DataCollection;

namespace Haoliang.Tests;

public class DataParserServiceTests
{
    private readonly DataParserService _parserService;
    private readonly Mock<ILogger<DataParserService>> _loggerMock;

    public DataParserServiceTests()
    {
        _loggerMock = new Mock<ILogger<DataParserService>>();
        _parserService = new DataParserService(_loggerMock.Object);
    }

    [Fact]
    public async Task ParseRawDataAsync_ValidJson_ReturnsDeviceData()
    {
        var json = @"{
            ""device"": ""CNC001"",
            ""desc"": ""加工中心1"",
            ""tags"": [
                {""id"": ""Tag5"", ""desc"": ""程序名"", ""quality"": ""good"", ""value"": ""PROGRAM001"", ""time"": ""2024-01-01T10:00:00""},
                {""id"": ""Tag8"", ""desc"": ""加工数量"", ""quality"": ""good"", ""value"": ""100"", ""time"": ""2024-01-01T10:00:00""}
            ]
        }";

        var result = await _parserService.ParseRawDataAsync(json, 1);

        result.Should().NotBeNull();
        result.DeviceName.Should().Be("CNC001");
        result.Tags.Should().NotBeNull();
        result.Tags.Should().ContainKey("Tag5");
    }

    [Fact]
    public async Task ParseRawDataAsync_InvalidJson_ThrowsException()
    {
        var json = "invalid json";

        var action = async () => await _parserService.ParseRawDataAsync(json, 1);

        await action.Should().ThrowAsync<InvalidOperationException>();
    }

    [Fact]
    public async Task ParseRawDataAsync_ValidJson_ContainsTags()
    {
        var json = @"{
            ""device"": ""CNC001"",
            ""desc"": ""加工中心1"",
            ""tags"": [
                {""id"": ""Tag5"", ""desc"": ""程序名"", ""quality"": ""good"", ""value"": ""TEST_PROGRAM"", ""time"": ""2024-01-01T10:00:00""}
            ]
        }";

        var result = await _parserService.ParseRawDataAsync(json, 1);

        result.Should().NotBeNull();
        result.Tags.Should().ContainKey("Tag5");
        result.Tags!["Tag5"].Value.Should().Be("TEST_PROGRAM");
    }

    [Fact]
    public async Task ParseRawDataAsync_ExtractsTag8Value()
    {
        var json = @"{
            ""device"": ""CNC001"",
            ""desc"": ""加工中心1"",
            ""tags"": [
                {""id"": ""Tag8"", ""desc"": ""加工数量"", ""quality"": ""good"", ""value"": ""150"", ""time"": ""2024-01-01T10:00:00""}
            ]
        }";

        var result = await _parserService.ParseRawDataAsync(json, 1);

        result.Should().NotBeNull();
        result.Tags.Should().ContainKey("Tag8");
    }

    [Fact]
    public async Task ParseRawDataAsync_RemovesDecimalSuffix()
    {
        var json = @"{
            ""device"": ""CNC001"",
            ""desc"": ""加工中心1"",
            ""tags"": [
                {""id"": ""Tag8"", ""desc"": ""加工数量"", ""quality"": ""good"", ""value"": ""150.00000"", ""time"": ""2024-01-01T10:00:00""}
            ]
        }";

        var result = await _parserService.ParseRawDataAsync(json, 1);

        result.Should().NotBeNull();
        result.Tags.Should().ContainKey("Tag8");
    }

    [Fact]
    public async Task ParseRawDataAsync_ExtractsIoStatus()
    {
        var json = @"{
            ""device"": ""CNC001"",
            ""desc"": ""加工中心1"",
            ""tags"": [
                {""id"": ""_io_status"", ""desc"": ""运行状态"", ""quality"": ""good"", ""value"": ""RUN"", ""time"": ""2024-01-01T10:00:00""}
            ]
        }";

        var result = await _parserService.ParseRawDataAsync(json, 1);

        result.Should().NotBeNull();
        result.Tags.Should().ContainKey("_io_status");
        result.Tags!["_io_status"].Value.Should().Be("RUN");
    }

    [Fact]
    public void ValidateDataFormat_ValidJson_ReturnsTrue()
    {
        var json = @"{""device"": ""CNC001"", ""tags"": []}";

        var result = _parserService.ValidateDataFormat(json);

        result.Should().BeTrue();
    }

    [Fact]
    public void ValidateDataFormat_InvalidJson_ReturnsFalse()
    {
        var json = "not valid json";

        var result = _parserService.ValidateDataFormat(json);

        result.Should().BeFalse();
    }

    [Fact]
    public async Task ParseMultiDeviceDataAsync_MultipleDevices_ReturnsAll()
    {
        var json = @"[
            {
                ""device"": ""CNC001"",
                ""desc"": ""加工中心1"",
                ""tags"": []
            },
            {
                ""device"": ""CNC002"",
                ""desc"": ""加工中心2"",
                ""tags"": []
            }
        ]";

        var result = await _parserService.ParseMultiDeviceDataAsync(json, 1);

        result.Should().HaveCount(2);
    }
}