using System;
using CncModels.Dto.Dashboard;
using CncService;
using CncService.Impl;
using Xunit;

namespace CncService.Tests
{
    /// <summary>
    /// DashboardService 仪表盘测试
    /// 测试场景：汇总查询、车间产量、机床排名、工人排名、趋势、状态分布、采集器状态
    /// </summary>
    [Collection("Database")]
    public class DashboardServiceTests : IDisposable
    {
        private readonly DashboardService _service;

        public DashboardServiceTests()
        {
            TestDb.TruncateAll();
            _service = ServiceFactory.CreateDashboardService();
        }

        public void Dispose()
        {
            TestDb.TruncateAll();
        }

        // ======== GetSummary ========

        [Fact]
        public void GetSummary_无数据_返回默认汇总()
        {
            var summary = _service.GetSummary();
            Assert.NotNull(summary);
        }

        // ======== GetWorkshopProduction ========

        [Fact]
        public void GetWorkshopProduction_无数据_返回空列表()
        {
            var result = _service.GetWorkshopProduction(null, null);
            Assert.NotNull(result);
        }

        [Fact]
        public void GetWorkshopProduction_指定日期范围()
        {
            var start = new DateTime(2026, 1, 1);
            var end = new DateTime(2026, 12, 31);
            var result = _service.GetWorkshopProduction(start, end);
            Assert.NotNull(result);
        }

        // ======== GetMachineRank ========

        [Fact]
        public void GetMachineRank_无数据_返回空列表()
        {
            var result = _service.GetMachineRank(null, null, 10);
            Assert.NotNull(result);
        }

        [Fact]
        public void GetMachineRank_指定Top数量()
        {
            var result = _service.GetMachineRank(null, null, 5);
            Assert.NotNull(result);
        }

        // ======== GetWorkerRank ========

        [Fact]
        public void GetWorkerRank_无数据_返回空列表()
        {
            var result = _service.GetWorkerRank(null, null, 10);
            Assert.NotNull(result);
        }

        // ======== GetProductionTrend ========

        [Fact]
        public void GetProductionTrend_默认7天()
        {
            var result = _service.GetProductionTrend();
            Assert.NotNull(result);
        }

        [Fact]
        public void GetProductionTrend_指定天数()
        {
            var result = _service.GetProductionTrend(30);
            Assert.NotNull(result);
        }

        // ======== GetMachineStatusDistribution ========

        [Fact]
        public void GetMachineStatusDistribution_无数据_返回结果()
        {
            var result = _service.GetMachineStatusDistribution();
            Assert.NotNull(result);
        }

        // ======== GetRecentAlerts ========

        [Fact]
        public void GetRecentAlerts_无数据_返回空列表()
        {
            var result = _service.GetRecentAlerts(5);
            Assert.NotNull(result);
        }

        [Fact]
        public void GetRecentAlerts_有告警数据()
        {
            TestDb.Execute(@"INSERT INTO cnc_collect_address (name, url, brand_id, collect_interval, is_enabled, created_at, updated_at)
                VALUES ('测试地址', 'http://test', 1, 30, 1, NOW(), NOW())");
            TestDb.Execute(@"INSERT INTO cnc_machine (device_code, name, workshop_id, collect_address_id, ip_address, brand_id, is_enabled, is_online, created_at, updated_at)
                VALUES ('M001', '机床1', 1, 1, '0.0.0.0', 1, 1, 0, NOW(), NOW())");
            TestDb.Execute(@"INSERT INTO cnc_alert (alert_type, machine_id, title, is_resolved, created_at)
                VALUES ('offline', 1, '告警1', 0, NOW()),
                       ('offline', 1, '告警2', 0, NOW())");

            var result = _service.GetRecentAlerts(5);
            Assert.True(result.Count >= 2);
        }

        // ======== GetCollectorStatus ========

        [Fact]
        public void GetCollectorStatus_无心跳_返回未运行()
        {
            var result = _service.GetCollectorStatus();
            Assert.NotNull(result);
        }

        [Fact]
        public void GetCollectorStatus_有最近心跳_返回运行中()
        {
            TestDb.Execute(@"INSERT INTO log_collector_heartbeat (service_id, status, last_collect_time, success_count, fail_count, created_at)
                VALUES ('collector-service', 'running', NOW(), 1, 0, NOW())");

            var result = _service.GetCollectorStatus();
            Assert.NotNull(result);
        }
    }
}