using Admin.NET.Plugin.AiDOP.Dto.S0.Warehouse;
using Admin.NET.Plugin.AiDOP.Entity.S0.Sales;
using Admin.NET.Plugin.AiDOP.Entity.S0.Warehouse;
using Admin.NET.Plugin.AiDOP.Infrastructure;

namespace Admin.NET.Plugin.AiDOP.Controllers.S0.Warehouse;

/// <summary>
/// S0 零件包装规格（ItemPackMaster 语义）。
/// 多租户隔离：所有读写显式限定当前请求租户（AdoS0TenantScope.TryResolveRequired），不依赖全局 AOP。
/// </summary>
[ApiController]
[Route("api/s0/warehouse/item-packs")]
[NonUnify]
public class AdoS0ItemPacksController : ControllerBase
{
    private readonly SqlSugarRepository<AdoS0ItemPackMaster> _rep;

    public AdoS0ItemPacksController(SqlSugarRepository<AdoS0ItemPackMaster> rep)
    {
        _rep = rep;
    }

    [HttpGet]
    public async Task<IActionResult> GetPagedAsync([FromQuery] AdoS0ItemPackQueryDto q)
    {
        if (!AdoS0TenantScope.TryResolveRequired(out var tenantId, out var tenantError)) return tenantError!;
        (q.Page, q.PageSize) = PagingGuard.Normalize(q.Page, q.PageSize);

        var query = _rep.AsQueryable()
            .Where(x => x.TenantId == tenantId)
            .WhereIF(q.CompanyRefId.HasValue, x => x.CompanyRefId == q.CompanyRefId!.Value)
            .WhereIF(q.FactoryRefId.HasValue, x => x.FactoryRefId == q.FactoryRefId!.Value)
            .WhereIF(!string.IsNullOrWhiteSpace(q.DomainCode), x => x.DomainCode == q.DomainCode)
            .WhereIF(!string.IsNullOrWhiteSpace(q.PackingType), x => x.PackingType == q.PackingType)
            .WhereIF(q.IsActive.HasValue, x => x.IsActive == q.IsActive!.Value)
            .WhereIF(!string.IsNullOrWhiteSpace(q.Keyword),
                x => x.ItemNum.Contains(q.Keyword!));

        var total = await query.CountAsync();
        var list = await query
            .OrderBy(x => x.ItemNum)
            .Skip((q.Page - 1) * q.PageSize)
            .Take(q.PageSize)
            .ToListAsync();

        // 补显 ItemDescr / ItemDescr1：实体已按设计声明这两个 [SugarColumn(IsIgnore = true)] 展示字段
        //（注释即写明「来自 ItemMaster.Descr / Descr1」），但此前 controller 从未填充，
        // 导致页面「物料名称」「型号」两列恒为空。
        // 沿用本仓既有范式（AdoS0MfgMaterialProcessElementsController）：单次 ItemMaster 查询 + 字典映射，
        // 不做逐行查询，杜绝 N+1；ItemMaster 显式限定当前租户，不跨租户取名。
        await FillItemDisplayAsync(list, tenantId);

        return Ok(new { total, page = q.Page, pageSize = q.PageSize, list });
    }

    [HttpGet("{id:long}")]
    public async Task<IActionResult> GetAsync(long id)
    {
        if (!AdoS0TenantScope.TryResolveRequired(out var tenantId, out var tenantError)) return tenantError!;
        var item = await _rep.AsQueryable().Where(x => x.Id == id && x.TenantId == tenantId).FirstAsync();
        return item == null ? NotFound() : Ok(item);
    }

    [HttpPost]
    public async Task<IActionResult> CreateAsync([FromBody] AdoS0ItemPackUpsertDto dto)
    {
        if (!AdoS0TenantScope.TryResolveRequired(out var tenantId, out var tenantError)) return tenantError!;

        // 唯一口径对齐数据库 uk_ItemPackMaster_tenant_domain_itemnum (tenant_id, Domain, ItemNum)
        if (await _rep.IsAnyAsync(x => x.TenantId == tenantId && x.DomainCode == (dto.DomainCode ?? string.Empty) && x.ItemNum == dto.ItemNum))
            return AdoS0ApiErrors.Conflict(AdoS0ErrorCodes.DuplicateCode, "物料包装规格已存在");

        var entity = new AdoS0ItemPackMaster
        {
            TenantId = tenantId,
            CompanyRefId = dto.CompanyRefId,
            FactoryRefId = dto.FactoryRefId,
            DomainCode = dto.DomainCode ?? string.Empty,
            ItemNum = dto.ItemNum,
            PackingQty = dto.PackingQty,
            SmallPackingQty = dto.SmallPackingQty,
            PackingType = dto.PackingType,
            NetWeight = dto.NetWeight,
            WeightUM = dto.WeightUM,
            Length = dto.Length,
            Width = dto.Width,
            High = dto.High,
            IssSpecific = dto.IssSpecific,
            CustItem = dto.CustItem,
            Remark = dto.Remark,
            IsActive = dto.IsActive,
            CreateUser = dto.CreateUser,
            CreateTime = DateTime.Now
        };

        await _rep.AsInsertable(entity).ExecuteReturnEntityAsync();
        return Ok(entity);
    }

    [HttpPut("{id:long}")]
    public async Task<IActionResult> UpdateAsync(long id, [FromBody] AdoS0ItemPackUpsertDto dto)
    {
        if (!AdoS0TenantScope.TryResolveRequired(out var tenantId, out var tenantError)) return tenantError!;

        var entity = await _rep.AsQueryable().Where(x => x.Id == id && x.TenantId == tenantId).FirstAsync();
        if (entity == null) return NotFound();

        if (await _rep.IsAnyAsync(x => x.TenantId == tenantId && x.Id != id && x.DomainCode == (dto.DomainCode ?? string.Empty) && x.ItemNum == dto.ItemNum))
            return AdoS0ApiErrors.Conflict(AdoS0ErrorCodes.DuplicateCode, "物料包装规格已存在");

        // entity.TenantId 保持不变（== tenantId）；不接受前端修改 tenant
        entity.CompanyRefId = dto.CompanyRefId;
        entity.FactoryRefId = dto.FactoryRefId;
        entity.DomainCode = dto.DomainCode ?? string.Empty;
        entity.ItemNum = dto.ItemNum;
        entity.PackingQty = dto.PackingQty;
        entity.SmallPackingQty = dto.SmallPackingQty;
        entity.PackingType = dto.PackingType;
        entity.NetWeight = dto.NetWeight;
        entity.WeightUM = dto.WeightUM;
        entity.Length = dto.Length;
        entity.Width = dto.Width;
        entity.High = dto.High;
        entity.IssSpecific = dto.IssSpecific;
        entity.CustItem = dto.CustItem;
        entity.Remark = dto.Remark;
        entity.IsActive = dto.IsActive;
        entity.UpdateUser = dto.UpdateUser;
        entity.UpdateTime = DateTime.Now;

        await _rep.AsUpdateable(entity).ExecuteCommandAsync();
        return Ok(entity);
    }

    [HttpDelete("{id:long}")]
    public async Task<IActionResult> DeleteAsync(long id)
    {
        if (!AdoS0TenantScope.TryResolveRequired(out var tenantId, out var tenantError)) return tenantError!;
        var item = await _rep.AsQueryable().Where(x => x.Id == id && x.TenantId == tenantId).FirstAsync();
        if (item == null) return NotFound();
        await _rep.DeleteAsync(item);
        return Ok(new { message = "删除成功" });
    }

    /// <summary>
    /// 批量补显物料名称/型号：一次 ItemMaster 查询 + 字典映射（无 N+1），显式限定当前租户。
    /// ItemDescr / ItemDescr1 为 [SugarColumn(IsIgnore = true)] 展示字段，不落库。
    /// </summary>
    private async Task FillItemDisplayAsync(List<AdoS0ItemPackMaster> rows, long tenantId)
    {
        var itemNums = rows.Select(x => x.ItemNum)
            .Where(x => !string.IsNullOrWhiteSpace(x))
            .Distinct()
            .ToList();
        if (itemNums.Count == 0) return;

        var items = await _rep.Context.Queryable<AdoS0ItemMaster>()
            .Where(m => m.TenantId == tenantId && itemNums.Contains(m.ItemNum))
            .OrderByDescending(m => m.IsActive)
            .OrderBy(m => m.Id)
            .Select(m => new { m.ItemNum, m.Descr, m.Descr1 })
            .ToListAsync();
        var map = items.GroupBy(x => x.ItemNum).ToDictionary(g => g.Key, g => g.First());

        foreach (var r in rows)
        {
            if (r.ItemNum != null && map.TryGetValue(r.ItemNum, out var m))
            {
                r.ItemDescr = m.Descr;
                r.ItemDescr1 = m.Descr1;
            }
        }
    }
}