using Admin.NET.Plugin.AiDOP.Infrastructure;
using Admin.NET.Plugin.AiDOP.MaterialWarehouse.Dto;
using Microsoft.Extensions.Options;

namespace Admin.NET.Plugin.AiDOP.MaterialWarehouse;

/// <summary>
/// S5 库存查询：经 IInventoryBalanceReader，优先 LIVE_165，回落 mdp_std_inventory。
/// Domain 由 SourceDomainTenantResolver 反查，禁止回落 8010。
/// </summary>
[ApiDescriptionSettings(Order = 300, Description = "库存查询")]
[Route("api/S5StockQuery")]
[NonUnify]
public class StockQueryService : IDynamicApiController, ITransient
{
    private const long MainTenantId = 1300000000001L;

    private readonly ISqlSugarClient _db;
    private readonly UserManager _userManager;
    private readonly IInventoryBalanceReader _balanceReader;
    private readonly SourceDomainTenantResolver _domainTenant;
    private readonly AidopInventoryOptions _opt;

    public StockQueryService(
        ISqlSugarClient db,
        UserManager userManager,
        IInventoryBalanceReader balanceReader,
        SourceDomainTenantResolver domainTenant,
        IOptions<AidopInventoryOptions> opt)
    {
        _db = db;
        _userManager = userManager;
        _balanceReader = balanceReader;
        _domainTenant = domainTenant;
        _opt = opt.Value;
    }

    private long ResolveTenantOrThrow()
    {
        var tid = _userManager.TenantId;
        if (tid <= 0)
            throw Oops.Oh("无法确定当前租户，请重新登录或选择目标租户");
        if (_userManager.SuperAdmin && tid == MainTenantId)
            throw Oops.Oh("超级管理员操作前必须选择目标租户");
        return tid;
    }

    private async Task<string> ResolveDomainOrThrowAsync(long tenantId, CancellationToken ct = default)
    {
        var sourceCode = string.IsNullOrWhiteSpace(_opt.SourceCode) ? "DOPDEMORQ_SQLSERVER" : _opt.SourceCode.Trim();
        try
        {
            return await _domainTenant.ResolveDomainAsync(sourceCode, tenantId, ct);
        }
        catch (Exception ex)
        {
            throw Oops.Oh($"无法解析当前租户 Domain 映射：{ex.Message}");
        }
    }

    private const string LocTypeExpr = "CASE WHEN t.typed='VMI' THEN 'VMI' WHEN t.typed='Supp' THEN 'O库' ELSE '' END";

    [DisplayName("库存查询列表")]
    [HttpGet("list")]
    public async Task<object> GetList([FromQuery] StockQueryListInput input, CancellationToken ct)
    {
        var tenantId = ResolveTenantOrThrow();
        var domain = await ResolveDomainOrThrowAsync(tenantId, ct);
        var page = await _balanceReader.QueryPageAsync(new InventoryBalanceQuery
        {
            TenantId = tenantId,
            Domain = domain,
            Type = input.Type,
            Location = input.Location,
            MaterialCode = input.MaterialCode,
            BatchNo = input.BatchNo,
            StockGt = input.StockGt,
            UnrestrictedGt = input.UnrestrictedGt,
            QcStockGt = input.QcStockGt,
            FrozenGt = input.FrozenGt,
            Page = input.Page,
            PageSize = input.PageSize
        }, ct);

        return new
        {
            total = page.Total,
            page = page.Page,
            pageSize = page.PageSize,
            list = page.List.Select(x => new StockQueryListRow
            {
                Type = x.Type,
                Location = x.Location,
                LocationName = x.LocationName,
                MaterialCode = x.MaterialCode,
                MaterialName = x.MaterialName,
                BatchNo = x.BatchNo,
                Shelf = x.Shelf,
                Version = x.Version,
                UnrestrictedStock = x.UnrestrictedStock,
                QcStock = x.QcStock,
                FrozenStock = x.FrozenStock,
                QtyOnHand = x.QtyOnHand,
                Unit = x.Unit,
                Supplier = x.Supplier
            }).ToList(),
            grandTotalQtyOnHand = page.GrandTotalQtyOnHand,
            grandUnrestricted = page.GrandUnrestricted,
            grandQc = page.GrandQc,
            grandFrozen = page.GrandFrozen,
            dataSource = page.DataSource,
            asOf = page.AsOf,
            isRealtime = page.IsRealtime
        };
    }

    [DisplayName("库存查询类型选项")]
    [HttpGet("type-options")]
    public async Task<object> GetTypeOptions(CancellationToken ct)
    {
        var tenantId = ResolveTenantOrThrow();
        var domain = await ResolveDomainOrThrowAsync(tenantId, ct);
        var list = await _db.Ado.SqlQueryAsync<StockQueryTypeOption>(
            $"""
            SELECT DISTINCT {LocTypeExpr.Replace("t.typed", "typed")} AS Val
            FROM LocationMaster
            WHERE Domain = @Domain AND tenant_id = @TenantId AND {LocTypeExpr.Replace("t.typed", "typed")} <> ''
            ORDER BY Val
            """,
            new List<SugarParameter> { new("@Domain", domain), new("@TenantId", tenantId) });
        return list;
    }

    [DisplayName("库存查询库位选项")]
    [HttpGet("location-options")]
    public async Task<object> GetLocationOptions(CancellationToken ct)
    {
        var tenantId = ResolveTenantOrThrow();
        var domain = await ResolveDomainOrThrowAsync(tenantId, ct);
        var list = await _db.Ado.SqlQueryAsync<StockQueryLocationOption>(
            """
            SELECT location AS Val, descr AS Label
            FROM LocationMaster
            WHERE Domain = @Domain AND tenant_id = @TenantId AND IFNULL(location,'') <> ''
            ORDER BY location
            """,
            new List<SugarParameter> { new("@Domain", domain), new("@TenantId", tenantId) });
        return list;
    }
}