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

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

[ApiController]
[Route("api/s0/sales/product-design-cycles")]
[AllowAnonymous]
[NonUnify]
public class AdoS0ProductDesignCyclesController : ControllerBase
{
    private readonly SqlSugarRepository<AdoS0ProductDesignCycle> _rep;
    private readonly SqlSugarRepository<AdoS0ItemMaster> _itemMasterRep;

    public AdoS0ProductDesignCyclesController(
        SqlSugarRepository<AdoS0ProductDesignCycle> rep,
        SqlSugarRepository<AdoS0ItemMaster> itemMasterRep)
    {
        _rep = rep;
        _itemMasterRep = itemMasterRep;
    }

    [HttpGet]
    public async Task<IActionResult> GetPagedAsync([FromQuery] AdoS0ProductDesignCycleQueryDto q)
    {
        (q.Page, q.PageSize) = PagingGuard.Normalize(q.Page, q.PageSize);

        var query = _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.ItemType), x => x.ItemType == q.ItemType)
            .WhereIF(!string.IsNullOrWhiteSpace(q.OwnerApplication), x => x.OwnerApplication == q.OwnerApplication)
            .WhereIF(q.IsActive.HasValue, x => x.IsActive == q.IsActive!.Value);

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

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

    /// <summary>
    /// 在 PDC 实体基础上附带 ItemMaster 命中校验信息。
    /// 统计口径：
    ///   - ItemMaster.ItemType = PDC.item_type；
    ///   - PDC.domain_code 有值 → ItemMaster.Domain = domain_code；为 NULL → 不限 Domain；
    ///   - OwnerApplication / Status 均不参与过滤。
    /// 实现：2 次查询（PDC 主列表上游已查 + ItemMaster 按 ItemType IN 一次性拉取相关列），
    /// 内存按 (ItemType, Domain) 分组计算 count / top3，避免 N+1。
    /// </summary>
    private async Task<List<AdoS0ProductDesignCycleRowDto>> BuildRowsWithItemMasterMatchAsync(
        List<AdoS0ProductDesignCycle> entities)
    {
        if (entities.Count == 0) return new List<AdoS0ProductDesignCycleRowDto>();

        var distinctItemTypes = entities
            .Select(e => e.ItemType)
            .Where(t => !string.IsNullOrWhiteSpace(t))
            .Distinct()
            .ToList();

        // 候选 ItemMaster 行（仅当前页相关 ItemType）；空集合不发起查询。
        var candidates = distinctItemTypes.Count == 0
            ? new List<AdoS0ItemMaster>()
            : await _itemMasterRep.AsQueryable()
                .Where(x => distinctItemTypes.Contains(x.ItemType!))
                .Select(x => new AdoS0ItemMaster
                {
                    Id = x.Id,
                    ItemType = x.ItemType,
                    DomainCode = x.DomainCode,
                    ItemNum = x.ItemNum,
                    Descr = x.Descr,
                })
                .ToListAsync();

        return entities.Select(e =>
        {
            var matched = candidates.Where(c =>
                c.ItemType == e.ItemType &&
                (string.IsNullOrWhiteSpace(e.DomainCode) || c.DomainCode == e.DomainCode))
                .ToList();

            var samples = matched
                .OrderBy(c => c.Id)
                .Take(3)
                .Select(c => string.IsNullOrWhiteSpace(c.Descr) ? c.ItemNum : $"{c.ItemNum} / {c.Descr}")
                .ToList();

            return new AdoS0ProductDesignCycleRowDto
            {
                Id = e.Id,
                CompanyRefId = e.CompanyRefId,
                FactoryRefId = e.FactoryRefId,
                DomainCode = e.DomainCode,
                ItemType = e.ItemType,
                OwnerApplication = e.OwnerApplication,
                StdHours = e.StdHours,
                IsActive = e.IsActive,
                CreateUser = e.CreateUser,
                CreateTime = e.CreateTime,
                UpdateUser = e.UpdateUser,
                UpdateTime = e.UpdateTime,
                ItemMasterMatchedCount = matched.Count,
                ItemMasterSampleItems = samples,
            };
        }).ToList();
    }

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

    [HttpPost]
    public async Task<IActionResult> CreateAsync([FromBody] AdoS0ProductDesignCycleUpsertDto dto)
    {
        if (await _rep.IsAnyAsync(x => x.FactoryRefId == dto.FactoryRefId && x.ItemType == dto.ItemType && x.OwnerApplication == dto.OwnerApplication))
            return AdoS0ApiErrors.Conflict(AdoS0ErrorCodes.DuplicateCode, "该工厂下此物料类型+属性组合已存在");

        var entity = new AdoS0ProductDesignCycle
        {
            CompanyRefId = dto.CompanyRefId,
            FactoryRefId = dto.FactoryRefId,
            DomainCode = dto.DomainCode,
            ItemType = dto.ItemType,
            OwnerApplication = dto.OwnerApplication,
            StdHours = dto.StdHours,
            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] AdoS0ProductDesignCycleUpsertDto 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.ItemType == dto.ItemType && x.OwnerApplication == dto.OwnerApplication))
            return AdoS0ApiErrors.Conflict(AdoS0ErrorCodes.DuplicateCode, "该工厂下此物料类型+属性组合已存在");

        entity.CompanyRefId = dto.CompanyRefId;
        entity.FactoryRefId = dto.FactoryRefId;
        entity.DomainCode = dto.DomainCode;
        entity.ItemType = dto.ItemType;
        entity.OwnerApplication = dto.OwnerApplication;
        entity.StdHours = dto.StdHours;
        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] AdoS0ProductDesignCycleToggleActiveDto 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();
        await _rep.DeleteAsync(item);
        return Ok(new { message = "删除成功" });
    }
}