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

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

/// <summary>
/// S0 供应商主数据（SuppMaster 语义）
/// </summary>
[ApiController]
[Route("api/s0/supply/suppliers")]
[AllowAnonymous]
[NonUnify]
public class AdoS0SuppliersController : ControllerBase
{
    private readonly SqlSugarRepository<AdoS0SuppMaster> _rep;
    private readonly SqlSugarRepository<AdoS0LocationMaster> _locRep;
    private readonly AdoS0ReferenceChecker _refChecker;

    public AdoS0SuppliersController(
        SqlSugarRepository<AdoS0SuppMaster> rep,
        SqlSugarRepository<AdoS0LocationMaster> locRep,
        AdoS0ReferenceChecker refChecker)
    {
        _rep = rep;
        _locRep = locRep;
        _refChecker = refChecker;
    }

    [HttpGet]
    public async Task<IActionResult> GetPagedAsync([FromQuery] AdoS0SuppMasterQueryDto q)
    {
        (q.Page, q.PageSize) = PagingGuard.Normalize(q.Page, q.PageSize);

        var baseQuery = _rep.AsQueryable()
            .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.Supp), x => x.Supp.Contains(q.Supp!))
            .WhereIF(!string.IsNullOrWhiteSpace(q.SortName), x => x.SortName != null && x.SortName.Contains(q.SortName!))
            .WhereIF(!string.IsNullOrWhiteSpace(q.Address), x => x.Address != null && x.Address.Contains(q.Address!))
            .WhereIF(!string.IsNullOrWhiteSpace(q.Contact), x => x.Contact != null && x.Contact.Contains(q.Contact!))
            .WhereIF(!string.IsNullOrWhiteSpace(q.Position), x => x.Position != null && x.Position.Contains(q.Position!))
            .WhereIF(!string.IsNullOrWhiteSpace(q.ContactInfo), x => x.ContactInfo != null && x.ContactInfo.Contains(q.ContactInfo!))
            .WhereIF(!string.IsNullOrWhiteSpace(q.CertificationLevel), x => x.CertificationLevel != null && x.CertificationLevel.Contains(q.CertificationLevel!))
            .WhereIF(!string.IsNullOrWhiteSpace(q.CrTerms), x => x.CrTerms != null && x.CrTerms.Contains(q.CrTerms!))
            .WhereIF(!string.IsNullOrWhiteSpace(q.Curr), x => x.Curr != null && x.Curr.Contains(q.Curr!))
            .WhereIF(!string.IsNullOrWhiteSpace(q.Type), x => x.Type != null && x.Type.Contains(q.Type!))
            .WhereIF(q.TaxIn.HasValue, x => x.TaxIn == q.TaxIn.Value)
            .WhereIF(!string.IsNullOrWhiteSpace(q.TaxClass), x => x.TaxClass != null && x.TaxClass.Contains(q.TaxClass!))
            .WhereIF(!string.IsNullOrWhiteSpace(q.PurContact), x => x.PurContact != null && x.PurContact.Contains(q.PurContact!))
            .WhereIF(q.IsActive.HasValue, x => x.IsActive == q.IsActive.Value)
            .WhereIF(
                !string.IsNullOrWhiteSpace(q.Keyword),
                x => x.Supp.Contains(q.Keyword!)
                    || (x.SortName != null && x.SortName.Contains(q.Keyword!))
                    || (x.Address != null && x.Address.Contains(q.Keyword!))
                    || (x.Contact != null && x.Contact.Contains(q.Keyword!))
                    || (x.ContactInfo != null && x.ContactInfo.Contains(q.Keyword!)));

        var total = await baseQuery.CountAsync();
        var list = await baseQuery
            .OrderByDescending(x => x.CreateTime)
            .Skip((q.Page - 1) * q.PageSize)
            .Take(q.PageSize)
            .ToListAsync();

        await ApplyLocationNamesAsync(list);

        foreach (var s in list)
        {
            s.APStartDay1Text = FormatApDay(s.APStartDay1);
            s.APEndDay1Text = FormatApDay(s.APEndDay1);
            s.APStartDay2Text = FormatApDay(s.APStartDay2);
            s.APEndDay2Text = FormatApDay(s.APEndDay2);
        }

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

    [HttpGet("{id:long}")]
    public async Task<IActionResult> GetAsync(long id)
    {
        var item = await _rep.GetByIdAsync(id);
        if (item == null) return NotFound();

        await ApplyLocationNamesAsync(new List<AdoS0SuppMaster> { item });
        item.APStartDay1Text = FormatApDay(item.APStartDay1);
        item.APEndDay1Text = FormatApDay(item.APEndDay1);
        item.APStartDay2Text = FormatApDay(item.APStartDay2);
        item.APEndDay2Text = FormatApDay(item.APEndDay2);

        return Ok(item);
    }

    [HttpPost]
    public async Task<IActionResult> CreateAsync([FromBody] AdoS0SuppMasterUpsertDto dto)
    {
        if (await _rep.IsAnyAsync(x => x.FactoryRefId == dto.FactoryRefId && x.Supp == dto.Supp))
            return AdoS0ApiErrors.Conflict(AdoS0ErrorCodes.SupplierCodeExists, "供应商编码已存在");

        var now = DateTime.Now;
        var entity = new AdoS0SuppMaster
        {
            CompanyRefId = dto.CompanyRefId,
            FactoryRefId = dto.FactoryRefId,
            DomainCode = dto.DomainCode,
            Supp = dto.Supp,
            SortName = dto.SortName,
            Address = dto.Address,
            Contact = dto.Contact,
            Position = dto.Position,
            ContactInfo = dto.ContactInfo,
            CertificationLevel = dto.CertificationLevel,
            PurContact = dto.PurContact,
            CrTerms = dto.CrTerms,
            Curr = dto.Curr,
            Type = dto.Type,
            TaxIn = dto.TaxIn,
            TaxClass = dto.TaxClass,
            APStartDay1 = dto.APStartDay1,
            APEndDay1 = dto.APEndDay1,
            APStartDay2 = dto.APStartDay2,
            APEndDay2 = dto.APEndDay2,
            Remark = dto.Remark,
            IsActive = dto.IsActive,
            CreateUser = dto.CreateUser,
            CreateTime = now,
            UpdateUser = dto.UpdateUser,
            UpdateTime = null
        };

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

    [HttpPut("{id:long}")]
    public async Task<IActionResult> UpdateAsync(long id, [FromBody] AdoS0SuppMasterUpsertDto dto)
    {
        var entity = await _rep.GetByIdAsync(id);
        if (entity == null) return NotFound();

        if (await _rep.IsAnyAsync(x => x.Id != id && x.FactoryRefId == dto.FactoryRefId && x.Supp == dto.Supp))
            return AdoS0ApiErrors.Conflict(AdoS0ErrorCodes.SupplierCodeExists, "供应商编码已存在");

        entity.CompanyRefId = dto.CompanyRefId;
        entity.FactoryRefId = dto.FactoryRefId;
        entity.DomainCode = dto.DomainCode;
        entity.Supp = dto.Supp;
        entity.SortName = dto.SortName;
        entity.Address = dto.Address;
        entity.Contact = dto.Contact;
        entity.Position = dto.Position;
        entity.ContactInfo = dto.ContactInfo;
        entity.CertificationLevel = dto.CertificationLevel;
        entity.PurContact = dto.PurContact;
        entity.CrTerms = dto.CrTerms;
        entity.Curr = dto.Curr;
        entity.Type = dto.Type;
        entity.TaxIn = dto.TaxIn;
        entity.TaxClass = dto.TaxClass;
        entity.APStartDay1 = dto.APStartDay1;
        entity.APEndDay1 = dto.APEndDay1;
        entity.APStartDay2 = dto.APStartDay2;
        entity.APEndDay2 = dto.APEndDay2;
        entity.Remark = dto.Remark;
        entity.IsActive = dto.IsActive;
        entity.UpdateUser = dto.UpdateUser;
        entity.UpdateTime = DateTime.Now;

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

    [HttpPatch("{id:long}/toggle-enabled")]
    public async Task<IActionResult> ToggleActiveAsync(long id, [FromBody] AdoS0SuppMasterToggleActiveDto dto)
    {
        var entity = await _rep.GetByIdAsync(id);
        if (entity == null) return NotFound();

        entity.IsActive = dto.IsActive;
        entity.UpdateTime = DateTime.Now;

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

    [HttpDelete("{id:long}")]
    public async Task<IActionResult> DeleteAsync(long id)
    {
        var item = await _rep.GetByIdAsync(id);
        if (item == null) return NotFound();

        var refInfo = await _refChecker.SupplierReferencesAsync(item.Supp);
        if (refInfo is { } r)
            return AdoS0ApiErrors.Conflict(AdoS0ErrorCodes.DeleteBlocked,
                $"存在 {r.Count} 条 {r.Table} 引用该供应商，无法删除");

        await _rep.DeleteAsync(item);
        return Ok(new { message = "删除成功" });
    }

    /// <summary>
    /// 按 Domain + PurContact 批量匹配库位主数据，填充 LocationName（与源平台 left join LocationMaster 一致）。
    /// </summary>
    private async Task ApplyLocationNamesAsync(List<AdoS0SuppMaster> suppliers)
    {
        if (suppliers.Count == 0) return;

        var domainCodes = suppliers
            .Select(s => s.DomainCode)
            .Where(d => !string.IsNullOrWhiteSpace(d))
            .Distinct()
            .ToList();

        if (domainCodes.Count == 0)
        {
            foreach (var s in suppliers)
                s.LocationName = (s.PurContact ?? "").Trim();
            return;
        }

        var locRows = await _locRep.AsQueryable()
            .Where(l => domainCodes.Contains(l.DomainCode))
            .ToListAsync();

        foreach (var s in suppliers)
        {
            if (string.IsNullOrWhiteSpace(s.DomainCode) || string.IsNullOrWhiteSpace(s.PurContact))
            {
                s.LocationName = (s.PurContact ?? "").Trim();
                continue;
            }

            var loc = locRows.Find(l =>
                string.Equals(l.DomainCode, s.DomainCode, StringComparison.OrdinalIgnoreCase)
                && string.Equals(l.Location, s.PurContact, StringComparison.OrdinalIgnoreCase));

            s.LocationName = FormatLocationDisplay(s.PurContact, loc);
        }
    }

    /// <summary>与 MySQL：TRIM(CONCAT(l.Location,' ',IFNULL(l.Descr,''))) 一致；无匹配时退回库位编码。</summary>
    private static string FormatLocationDisplay(string? purContact, AdoS0LocationMaster? loc)
    {
        if (loc != null && !string.IsNullOrWhiteSpace(loc.Location))
        {
            var tail = loc.Descr ?? "";
            return $"{loc.Location.Trim()} {tail}".Trim();
        }

        return (purContact ?? "").Trim();
    }

    private static string FormatApDay(int? value)
    {
        if (!value.HasValue || value.Value == 0) return "";
        var v = value.Value;
        var prefix = v > 200 ? "下月" : "每月";
        var day = (v % 100).ToString("00");
        if (day == "31") day = "最后";
        return $"{prefix}{day}日";
    }
}