import { useAuth } from '../../../../auth/useAuth';
import { InventoryStatusCounts } from './InventoryStatusCounts';
import { inventorySubtotalSelection } from './inventory-presentation';
import { Filter } from 'lucide-react';
import { AnimatePresence, motion } from 'motion/react';
import { InventoryDesktopTable } from './InventoryDesktopTable';
import { InventoryMobileList } from './InventoryMobileList';
import type { InventoryStatisticsSectionProps } from './types';

export function InventoryStatisticsSection({
  inventoryFilters,
  setInventoryFilters,
  draftInventoryFilters,
  setDraftInventoryFilters,
  isInventoryFilterOpen,
  setIsInventoryFilterOpen,
  uniqueInventoryRegions,
  uniqueInventoryCities,
  uniqueInventoryBrands,
  uniqueInventoryTypes,
  uniqueInventoryModelsForType,
  filteredInventoryStats,
  inventoryTab,
  setInventoryTab,
  inventoryByRegion,
  expandedInventoryRegions,
  toggleInventoryRegion,
  inventoryByModel,
  expandedInventoryTypes,
  toggleInventoryType,
  setVehicleSelection: setShowPlateNumbers,
}: InventoryStatisticsSectionProps) {
  const { preview } = useAuth();
  const listProps = {
    inventoryTab,
    inventoryByRegion,
    expandedInventoryRegions,
    toggleInventoryRegion,
    inventoryByModel,
    expandedInventoryTypes,
    toggleInventoryType,
    setVehicleSelection: setShowPlateNumbers,
  };

  return (
    <div className="bg-white rounded-2xl border border-gray-100 shadow-sm mb-6 overflow-hidden min-h-[420px]">
      <div className="p-3 sm:p-4 border-b border-gray-50 bg-white flex items-center justify-between relative">
        <div className="flex items-center gap-3">
          <div className="w-1.5 h-6 bg-blue-600 rounded-full"></div>
          <div className="flex flex-col">
            <h2 className="text-lg font-bold text-gray-800 leading-tight">库存统计</h2>
            <span className="text-[10px] text-gray-400 font-medium">{preview ? '全量库存 · 汇总与明细口径一致' : '实时更新库存数据'}</span>
          </div>
        </div>

        <div className="flex items-center gap-6 ml-auto pr-2">
          <div className="flex flex-col items-end cursor-pointer hover:opacity-80 transition-opacity"
               onClick={() => setShowPlateNumbers(inventorySubtotalSelection(filteredInventoryStats, '库存总数'))}>
            <span className="text-[10px] text-gray-400 font-bold tracking-wider uppercase mb-0.5">总库存数据</span>
            <span className="text-2xl font-black text-gray-900 leading-none">
              {filteredInventoryStats.reduce((acc, s) => acc + s.quantity, 0)}
              <span className="text-xs font-bold text-gray-400 ml-1">台</span>
            </span>
          </div>

          <div className="relative">
            <button
              onClick={() => { if (!isInventoryFilterOpen) setDraftInventoryFilters({...inventoryFilters}); setIsInventoryFilterOpen(!isInventoryFilterOpen); }}
              className={`flex items-center gap-1.5 px-3 py-1.5 rounded-lg text-xs font-bold transition-all ${
                isInventoryFilterOpen || (inventoryFilters.region || inventoryFilters.city || inventoryFilters.brand || inventoryFilters.type || inventoryFilters.model)
                  ? 'bg-blue-600 text-white shadow-md'
                  : 'bg-gray-100 text-gray-600 hover:bg-gray-200'
              }`}
            >
              <Filter size={14} />
              <span>筛选</span>
              {(inventoryFilters.region || inventoryFilters.city || inventoryFilters.brand || inventoryFilters.type || inventoryFilters.model) && (
                <span className="w-2 h-2 bg-white rounded-full animate-pulse"></span>
              )}
            </button>

            <AnimatePresence>
              {isInventoryFilterOpen && (
                <>
                  <motion.div
                    initial={{ opacity: 0, y: 10, scale: 0.95 }}
                    animate={{ opacity: 1, y: 0, scale: 1 }}
                    exit={{ opacity: 0, y: 10, scale: 0.95 }}
                    className="fixed inset-x-4 top-20 max-h-[80vh] overflow-auto sm:inset-auto sm:top-20 sm:right-4 sm:w-72 bg-white rounded-xl shadow-2xl border border-slate-100 z-50 p-4"
                  >
                    <div className="flex justify-between items-center mb-4">
                      <h3 className="text-xs font-bold text-slate-800">库存统计 - 数据筛选</h3>
                      <button onClick={() => setDraftInventoryFilters({ region: '', city: '', brand: '', type: '', model: '' })} className="text-[10px] text-blue-500 hover:underline">重置所有</button>
                    </div>

                    <div className="space-y-3 text-left">
                      <div>
                        <label className="text-[10px] text-slate-400 block mb-1">区域</label>
                        <select value={draftInventoryFilters.region} onChange={(e) => setDraftInventoryFilters({...draftInventoryFilters, region: e.target.value})} className="w-full text-xs bg-white border border-slate-200 rounded-lg px-2 py-1.5 focus:outline-none focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 transition-all shadow-sm cursor-pointer">
                          <option value="">全部区域</option>
                          {uniqueInventoryRegions.map(r => <option key={r} value={r}>{r}</option>)}
                        </select>
                      </div>
                      <div>
                        <label className="text-[10px] text-slate-400 block mb-1">城市</label>
                        <select value={draftInventoryFilters.city} onChange={(e) => setDraftInventoryFilters({...draftInventoryFilters, city: e.target.value})} className="w-full text-xs bg-white border border-slate-200 rounded-lg px-2 py-1.5 focus:outline-none focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 transition-all shadow-sm cursor-pointer">
                          <option value="">全部城市</option>
                          {uniqueInventoryCities.map(c => <option key={c} value={c}>{c}</option>)}
                        </select>
                      </div>
                      <div>
                        <label className="text-[10px] text-slate-400 block mb-1">品牌</label>
                        <select value={draftInventoryFilters.brand} onChange={(e) => setDraftInventoryFilters({...draftInventoryFilters, brand: e.target.value})} className="w-full text-xs bg-white border border-slate-200 rounded-lg px-2 py-1.5 focus:outline-none focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 transition-all shadow-sm cursor-pointer">
                          <option value="">全部品牌</option>
                          {uniqueInventoryBrands.map(b => <option key={b} value={b}>{b}</option>)}
                        </select>
                      </div>
                      <div>
                        <label className="text-[10px] text-slate-400 block mb-1">车型</label>
                        <select value={draftInventoryFilters.type} onChange={(e) => setDraftInventoryFilters({...draftInventoryFilters, type: e.target.value, model: ''})} className="w-full text-xs bg-white border border-slate-200 rounded-lg px-2 py-1.5 focus:outline-none focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 transition-all shadow-sm cursor-pointer">
                          <option value="">全部车型</option>
                          {uniqueInventoryTypes.map(t => <option key={t} value={t}>{t}</option>)}
                        </select>
                      </div>
                      <div>
                        <label className="text-[10px] text-slate-400 block mb-1">批次</label>
                        <select value={draftInventoryFilters.model} onChange={(e) => setDraftInventoryFilters({...draftInventoryFilters, model: e.target.value})} className="w-full text-xs bg-white border border-slate-200 rounded-lg px-2 py-1.5 focus:outline-none focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 transition-all shadow-sm cursor-pointer">
                          <option value="">全部批次</option>
                          {uniqueInventoryModelsForType.map(m => <option key={m} value={m}>{m}</option>)}
                        </select>
                      </div>
                    </div>
                    <button onClick={() => { setInventoryFilters({...draftInventoryFilters}); setIsInventoryFilterOpen(false); }} className="w-full mt-4 py-2 bg-blue-600 text-white rounded-lg text-xs font-bold hover:bg-blue-700 transition-colors">确认</button>
                  </motion.div>
                </>
              )}
            </AnimatePresence>
          </div>
        </div>
      </div>

      {filteredInventoryStats.some(row => (row.pending ?? 0) > 0 || (row.abnormal ?? 0) > 0) && (
        <div className="border-b border-gray-100 px-4 py-2" data-testid="inventory-status-summary">
          <InventoryStatusCounts onSelect={setShowPlateNumbers} rows={filteredInventoryStats} />
        </div>
      )}

      <div className="px-4 py-3 bg-gray-50/50 border-b border-gray-100">
        <div className="flex bg-gray-200/50 p-1 rounded-lg w-fit shadow-inner">
          <button
            onClick={() => setInventoryTab('region')}
            className={`px-6 py-1.5 rounded-md text-xs font-bold transition-all ${
              inventoryTab === 'region' ? 'bg-white text-blue-600 shadow-sm' : 'text-gray-500 hover:text-gray-700'
            }`}
          >
            按区域
          </button>
          <button
            onClick={() => setInventoryTab('model')}
            className={`px-6 py-1.5 rounded-md text-xs font-bold transition-all ${
              inventoryTab === 'model' ? 'bg-white text-blue-600 shadow-sm' : 'text-gray-500 hover:text-gray-700'
            }`}
          >
            按车型
          </button>
        </div>
      </div>

      {/* Active Filters Bar */}
      {(inventoryFilters.region || inventoryFilters.city || inventoryFilters.brand || inventoryFilters.type || inventoryFilters.model) && (
        <div className="px-4 py-2 border-b border-gray-100 flex flex-wrap gap-2 items-center">
          {inventoryFilters.region && (
            <span className="px-2 py-0.5 bg-blue-50 text-blue-700 rounded text-[10px] flex items-center gap-1">
              区域: {inventoryFilters.region}
              <button onClick={() => setInventoryFilters({...inventoryFilters, region: ''})} className="hover:text-red-500 ml-0.5">×</button>
            </span>
          )}
          {inventoryFilters.city && (
            <span className="px-2 py-0.5 bg-blue-50 text-blue-700 rounded text-[10px] flex items-center gap-1">
              城市: {inventoryFilters.city}
              <button onClick={() => setInventoryFilters({...inventoryFilters, city: ''})} className="hover:text-red-500 ml-0.5">×</button>
            </span>
          )}
          {inventoryFilters.brand && (
            <span className="px-2 py-0.5 bg-blue-50 text-blue-700 rounded text-[10px] flex items-center gap-1">
              品牌: {inventoryFilters.brand}
              <button onClick={() => setInventoryFilters({...inventoryFilters, brand: ''})} className="hover:text-red-500 ml-0.5">×</button>
            </span>
          )}
          {inventoryFilters.type && (
            <span className="px-2 py-0.5 bg-blue-50 text-blue-700 rounded text-[10px] flex items-center gap-1">
              车型: {inventoryFilters.type}
              <button onClick={() => setInventoryFilters({...inventoryFilters, type: '', model: ''})} className="hover:text-red-500 ml-0.5">×</button>
            </span>
          )}
          {inventoryFilters.model && (
            <span className="px-2 py-0.5 bg-blue-50 text-blue-700 rounded text-[10px] flex items-center gap-1">
              批次: {inventoryFilters.model}
              <button onClick={() => setInventoryFilters({...inventoryFilters, model: ''})} className="hover:text-red-500 ml-0.5">×</button>
            </span>
          )}
          <button onClick={() => setInventoryFilters({ region: '', city: '', brand: '', type: '', model: '' })} className="text-[11px] text-red-500 font-bold ml-auto hover:text-red-600">清除</button>
        </div>
      )}

      {/* Desktop View Table */}
      <InventoryDesktopTable {...listProps} />

      {/* Mobile View */}
      <InventoryMobileList {...listProps} />
    </div>
  );
}