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

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

/// <summary>
/// S0 物料职责维护（EmpWorkDutyMaster 语义）。员工 + 库位关联。
/// 多租户隔离：所有读写显式限定当前请求租户；员工/库位存在性与补显均限定当前租户，杜绝跨租户绑定；不依赖全局 AOP。
/// </summary>
[ApiController]
[Route("api/s0/warehouse/emp-work-duties")]
[NonUnify]
public class AdoS0EmpWorkDutiesController : ControllerBase
{
    private readonly SqlSugarRepository<AdoS0EmpWorkDutyMaster> _rep;
    private readonly SqlSugarRepository<AdoS0EmployeeMaster> _empRep;
    private readonly SqlSugarRepository<AdoS0LocationMaster> _locRep;
    private readonly AdoS0ReferenceChecker _refChecker;

    public AdoS0EmpWorkDutiesController(
        SqlSugarRepository<AdoS0EmpWorkDutyMaster> rep,
        SqlSugarRepository<AdoS0EmployeeMaster> empRep,
        SqlSugarRepository<AdoS0LocationMaster> locRep,
        AdoS0ReferenceChecker refChecker)
    {
        _rep = rep;
        _empRep = empRep;
        _locRep = locRep;
        _refChecker = refChecker;
    }

    [HttpGet]
    public async Task<IActionResult> GetPagedAsync([FromQuery] AdoS0EmpWorkDutyQueryDto 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.Employee), x => x.Employee.Contains(q.Employee!))
            .WhereIF(!string.IsNullOrWhiteSpace(q.Location), x => x.Location == q.Location)
            .WhereIF(!string.IsNullOrWhiteSpace(q.ItemNum),
                x => (x.ItemNum != null && x.ItemNum.Contains(q.ItemNum!))
                    || (x.ItemNum1 != null && x.ItemNum1.Contains(q.ItemNum!))
                    || (x.ItemNum2 != null && x.ItemNum2.Contains(q.ItemNum!)))
            .WhereIF(!string.IsNullOrWhiteSpace(q.Keyword),
                x => x.Employee.Contains(q.Keyword!)
                    || (x.ItemNum != null && x.ItemNum.Contains(q.Keyword!))
                    || (x.ItemNum1 != null && x.ItemNum1.Contains(q.Keyword!))
                    || (x.ItemNum2 != null && x.ItemNum2.Contains(q.Keyword!)));

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

        await ApplyDisplayFieldsAsync(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();
        if (item == null) return NotFound();
        await ApplyDisplayFieldsAsync(new List<AdoS0EmpWorkDutyMaster> { item }, tenantId);
        return Ok(item);
    }

    [HttpPost]
    public async Task<IActionResult> CreateAsync([FromBody] AdoS0EmpWorkDutyUpsertDto dto)
    {
        if (!AdoS0TenantScope.TryResolveRequired(out var tenantId, out var tenantError)) return tenantError!;

        var scopeError = ValidateMaterialScope(dto, out var itemNum, out var itemNum1, out var itemNum2);
        if (scopeError != null) return AdoS0ApiErrors.InvalidRequest(scopeError);

        var relError = await ValidateRelationsInTenantAsync(tenantId, dto);
        if (relError != null) return relError;

        var entity = new AdoS0EmpWorkDutyMaster
        {
            TenantId = tenantId,
            CompanyRefId = dto.CompanyRefId,
            FactoryRefId = dto.FactoryRefId,
            DomainCode = dto.DomainCode ?? string.Empty,
            Employee = dto.Employee,
            ItemNum = itemNum,
            ItemNum1 = itemNum1,
            ItemNum2 = itemNum2,
            Location = dto.Location,
            ProdLine = dto.ProdLine,
            Duty = dto.Duty,
            EmpType = dto.EmpType,
            Ufld2 = dto.Ufld2,
            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] AdoS0EmpWorkDutyUpsertDto 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();

        var scopeError = ValidateMaterialScope(dto, out var itemNum, out var itemNum1, out var itemNum2);
        if (scopeError != null) return AdoS0ApiErrors.InvalidRequest(scopeError);

        var relError = await ValidateRelationsInTenantAsync(tenantId, dto);
        if (relError != null) return relError;

        // 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.Employee = dto.Employee;
        entity.ItemNum = itemNum;
        entity.ItemNum1 = itemNum1;
        entity.ItemNum2 = itemNum2;
        entity.Location = dto.Location;
        entity.ProdLine = dto.ProdLine;
        entity.Duty = dto.Duty;
        entity.EmpType = dto.EmpType;
        entity.Ufld2 = dto.Ufld2;
        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>员工与库位必须属于当前租户（同 domain），杜绝为他租户员工分配职责/绑定他租户库位。</summary>
    private async Task<IActionResult?> ValidateRelationsInTenantAsync(long tenantId, AdoS0EmpWorkDutyUpsertDto dto)
    {
        if (!string.IsNullOrWhiteSpace(dto.Employee)
            && !await _refChecker.EmployeeExistsInTenantAsync(tenantId, dto.DomainCode, dto.Employee))
            return AdoS0ApiErrors.InvalidReference(AdoS0ErrorCodes.ReferenceNotFound,
                $"员工编码 '{dto.Employee}' 不存在于当前租户雇员主数据");

        if (!string.IsNullOrWhiteSpace(dto.Location)
            && !await _refChecker.LocationExistsInTenantAsync(tenantId, dto.DomainCode, dto.Location))
            return AdoS0ApiErrors.InvalidReference(AdoS0ErrorCodes.ReferenceNotFound,
                $"库位编码 '{dto.Location}' 不存在于当前租户库位主数据");

        return null;
    }

    private static readonly Dictionary<string, string> DutyMap = new(StringComparer.OrdinalIgnoreCase)
    {
        ["iss-po"] = "采购收货",
        ["iss-so"] = "销售发货",
        ["iss-wo"] = "发料",
        ["packing"] = "退料",
        ["rct-unp"] = "计划外入库",
        ["rct-wo"] = "入库",
        ["Up-Shelf"] = "上架"
    };

    /// <summary>补显员工名 / 库位名。关联 EmployeeMaster、LocationMaster 均限定当前租户，避免跨租户补错。</summary>
    private async Task ApplyDisplayFieldsAsync(List<AdoS0EmpWorkDutyMaster> duties, long tenantId)
    {
        if (duties.Count == 0) return;

        var domainCodes = duties.Select(d => d.DomainCode).Distinct().ToList();

        var employees = await _empRep.AsQueryable()
            .Where(e => e.TenantId == tenantId && domainCodes.Contains(e.DomainCode))
            .ToListAsync();

        var locations = await _locRep.AsQueryable()
            .Where(l => l.TenantId == tenantId && domainCodes.Contains(l.DomainCode))
            .ToListAsync();

        foreach (var duty in duties)
        {
            var emp = employees.Find(e =>
                string.Equals(e.DomainCode, duty.DomainCode, StringComparison.OrdinalIgnoreCase)
                && string.Equals(e.Employee, duty.Employee, StringComparison.OrdinalIgnoreCase));
            duty.EmployeeName = emp?.Name;

            if (!string.IsNullOrWhiteSpace(duty.Location))
            {
                var loc = locations.Find(l =>
                    string.Equals(l.DomainCode, duty.DomainCode, StringComparison.OrdinalIgnoreCase)
                    && string.Equals(l.Location, duty.Location, StringComparison.OrdinalIgnoreCase));
                duty.LocationName = $"{duty.Location} {loc?.Descr ?? ""}".Trim();
            }

            // Duty 翻译（原始多值逗号/空格拼接场景兼容）
            if (!string.IsNullOrWhiteSpace(duty.Duty))
            {
                var parts = duty.Duty.Split(new[] { ',', ';', ' ' }, StringSplitOptions.RemoveEmptyEntries);
                duty.DutyDisplay = string.Join("、", parts.Select(p => DutyMap.TryGetValue(p.Trim(), out var cn) ? cn : p.Trim()));
            }

            duty.ItemNumDisplay = !string.IsNullOrWhiteSpace(duty.ItemNum)
                ? duty.ItemNum
                : $"{duty.ItemNum1 ?? ""} ~ {duty.ItemNum2 ?? ""}".Trim(' ', '~');
        }
    }

    private static string? ValidateMaterialScope(
        AdoS0EmpWorkDutyUpsertDto dto,
        out string? itemNum,
        out string? itemNum1,
        out string? itemNum2)
    {
        itemNum = string.IsNullOrWhiteSpace(dto.ItemNum) ? null : dto.ItemNum.Trim();
        itemNum1 = string.IsNullOrWhiteSpace(dto.ItemNum1) ? null : dto.ItemNum1.Trim();
        itemNum2 = string.IsNullOrWhiteSpace(dto.ItemNum2) ? null : dto.ItemNum2.Trim();

        if (!string.IsNullOrWhiteSpace(itemNum))
        {
            itemNum1 = null;
            itemNum2 = null;
            return null;
        }

        if (string.IsNullOrWhiteSpace(itemNum1) || string.IsNullOrWhiteSpace(itemNum2))
            return "请填写单物料编码，或完整填写物料编码起/止区间";

        if (string.Compare(itemNum1, itemNum2, StringComparison.OrdinalIgnoreCase) > 0)
            return "物料编码起不能大于物料编码止";

        return null;
    }
}