using Admin.NET.Plugin.AiDOP.Dto.S8;
using Admin.NET.Plugin.AiDOP.Entity.S8;
using Admin.NET.Plugin.AiDOP.Infrastructure.S8;

namespace Admin.NET.Plugin.AiDOP.Service.S8;

public class S8MonitoringService : ITransient
{
    private readonly SqlSugarRepository<AdoS8Exception> _rep;

    public S8MonitoringService(SqlSugarRepository<AdoS8Exception> rep)
    {
        _rep = rep;
    }

    /// <summary>
    /// 异常监控汇总：按 module_code 分组统计红/黄/绿/超时数。
    /// 供综合全景页顶部徽标和模块汇总表使用。
    /// </summary>
    public async Task<AdoS8MonitoringSummaryDto> GetSummaryAsync(AdoS8MonitoringSummaryQueryDto q)
    {
        var query = _rep.AsQueryable()
            .Where(e => e.TenantId == q.TenantId && e.FactoryId == q.FactoryId && !e.IsDeleted)
            .WhereIF(!string.IsNullOrWhiteSpace(q.SceneCode), e => e.SceneCode == q.SceneCode)
            .WhereIF(!string.IsNullOrWhiteSpace(q.ModuleCode), e => e.ModuleCode == q.ModuleCode)
            .WhereIF(q.BizDateFrom.HasValue, e => e.CreatedAt >= q.BizDateFrom!.Value)
            .WhereIF(q.BizDateTo.HasValue, e => e.CreatedAt <= q.BizDateTo!.Value);

        // 聚合到内存（数据量在可控范围内，避免复杂 GROUP BY 兼容性问题）
        var raw = await query
            .Select(e => new
            {
                e.ModuleCode,
                e.SceneCode,
                e.Severity,
                e.TimeoutFlag,
                e.Status
            })
            .ToListAsync();

        var byModule = raw
            .GroupBy(e => new { mc = e.ModuleCode ?? string.Empty, sc = e.SceneCode ?? string.Empty })
            .Select(g => new AdoS8ModuleSummaryItem
            {
                ModuleCode  = g.Key.mc,
                ModuleLabel = S8ModuleCode.Label(g.Key.mc),
                SceneCode   = g.Key.sc,
                SceneLabel  = S8SceneCode.Label(g.Key.sc),
                Total   = g.Count(),
                Red     = g.Count(e => e.Severity == "CRITICAL" || e.Severity == "HIGH"),
                Yellow  = g.Count(e => e.Severity == "MEDIUM"),
                Green   = g.Count(e => e.Severity == "LOW"),
                Timeout = g.Count(e => e.TimeoutFlag && e.Status != "CLOSED")
            })
            // 按 S8ModuleCode.All 顺序排列
            .OrderBy(r => Array.IndexOf(S8ModuleCode.All, r.ModuleCode))
            .ToList();

        return new AdoS8MonitoringSummaryDto
        {
            Total   = raw.Count,
            Red     = raw.Count(e => e.Severity == "CRITICAL" || e.Severity == "HIGH"),
            Yellow  = raw.Count(e => e.Severity == "MEDIUM"),
            Green   = raw.Count(e => e.Severity == "LOW"),
            Timeout = raw.Count(e => e.TimeoutFlag && e.Status != "CLOSED"),
            ByModule = byModule
        };
    }
}