import { AnimatePresence, motion } from 'motion/react';
import { ChevronDown, Maximize2, Truck } from 'lucide-react';
import Blur from '../../../components/Blur';
import type { TargetSummary, TargetVehicle } from '../types';
import { fmtDateLabel, fmtKm, fmtPercent, getTargetAssessment } from './model';

interface TargetDetailPanelProps {
  target: TargetSummary | undefined;
  expandedTargetId: number | null;
  selectedYear: number | undefined;
  vehicles: TargetVehicle[];
  currentDateLabel: string;
  onOpenFullscreen: () => void;
  onExpandTarget: (targetId: number) => void;
  onAssessmentYearChange: (targetId: number, year: number) => void;
  onViewAll: (target: TargetSummary) => void;
}

export default function TargetDetailPanel({
  target,
  expandedTargetId,
  selectedYear,
  vehicles,
  currentDateLabel,
  onOpenFullscreen,
  onExpandTarget,
  onAssessmentYearChange,
  onViewAll,
}: TargetDetailPanelProps) {
  const assessment = target ? getTargetAssessment(target, selectedYear) : null;
  const primaryCompletion = assessment?.completionRate ?? target?.avgCompletion ?? 0;
  const primaryQualified = assessment?.qualifiedCount ?? target?.yearQualifiedCount ?? 0;
  const primaryQualifiedLabel = assessment ? `${assessment.label}达标:` : '达标:';

  return (
    <div className="w-full landscape:w-1/3 flex-shrink-0 space-y-2 flex flex-col landscape:overflow-hidden">
      <div className="flex items-center justify-between px-2 flex-shrink-0">
        <div className="flex min-w-0 items-center gap-2">
          <div className="w-1 h-4 bg-blue-600 rounded-full" />
          <div className="min-w-0">
            <h3 className="truncate text-xs font-black text-slate-700">当前车型考核详情</h3>
            <p className="mt-0.5 truncate text-[9px] font-bold text-slate-400">{target?.targetName || '请选择车型'}</p>
          </div>
        </div>
        <button
          onClick={onOpenFullscreen}
          className="p-1.5 bg-white text-slate-400 rounded-lg border border-slate-100 shadow-sm hover:text-blue-600 transition-colors"
        >
          <Maximize2 size={14} />
        </button>
      </div>

      <div className="grid grid-cols-1 gap-1.5 overflow-y-auto no-scrollbar pb-2">
        {target && (
          <div
            className="bg-white px-3 py-2 rounded-xl border border-slate-100 shadow-sm flex flex-col active:bg-slate-50 transition-all cursor-pointer"
            onClick={() => onExpandTarget(target.id)}
          >
            <div className="flex items-center justify-between">
              <div className="flex items-center gap-3 overflow-hidden flex-1">
                <div className="w-8 h-8 rounded-lg bg-slate-50 flex items-center justify-center flex-shrink-0">
                  <Truck size={14} className="text-slate-400" />
                </div>
                <div className="overflow-hidden flex-1">
                  <div className="flex items-center gap-1.5">
                    <span className="text-xs font-black text-slate-900">{target.targetName}</span>
                    <span className="text-[8px] px-1 rounded bg-blue-50 text-blue-600 font-bold">{target.vehicleCount}台</span>
                  </div>
                  <div className="flex items-center gap-2">
                    <div className="flex items-center gap-1">
                      <span className="text-[9px] text-slate-400">{assessment ? `${assessment.label}完成:` : '完成率:'}</span>
                      <span className={`text-[9px] font-bold ${primaryCompletion >= 90 ? 'text-emerald-500' : 'text-blue-500'}`}>{fmtPercent(primaryCompletion)}</span>
                    </div>
                    <div className="flex items-center gap-1">
                      <span className="text-[9px] text-slate-400">{primaryQualifiedLabel}</span>
                      <span className="text-[9px] font-bold text-slate-600">{primaryQualified}台</span>
                    </div>
                  </div>
                </div>
              </div>
              <div className="text-right flex-shrink-0 ml-2 flex items-center gap-3">
                <div className="flex flex-col items-end">
                  <div className="text-sm font-black text-slate-900 leading-none mb-0.5">
                    {fmtKm(target.todayTotal)} <span className="text-[8px] text-slate-300 font-bold uppercase">KM</span>
                  </div>
                  <div className="text-[8px] font-bold text-slate-300">
                    累计: {fmtKm(target.cumulativeTotal)} KM
                  </div>
                </div>
                <motion.div
                  animate={{ rotate: 180 }}
                  className="text-slate-300"
                >
                  <ChevronDown size={14} />
                </motion.div>
              </div>
            </div>

            <AnimatePresence initial={false} mode="wait">
              {expandedTargetId === target.id && (
                <motion.div
                  initial={{ height: 0, opacity: 0 }}
                  animate={{ height: 'auto', opacity: 1 }}
                  exit={{ height: 0, opacity: 0 }}
                  transition={{ duration: 0.18, ease: 'easeOut' }}
                  className="overflow-hidden"
                >
                  <div className="pt-3 mt-2 border-t border-slate-50 grid grid-cols-2 gap-x-4 gap-y-3">
                    <div className="col-span-2 flex items-center justify-between gap-3 bg-blue-50/70 p-2 rounded-lg">
                      <span className="text-[10px] font-black text-blue-700">考核年度</span>
                      <select
                        value={assessment?.yearNumber || ''}
                        onClick={(event) => event.stopPropagation()}
                        onChange={(event) => {
                          event.stopPropagation();
                          onAssessmentYearChange(target.id, Number(event.target.value));
                        }}
                        className="bg-white border border-blue-100 rounded-lg px-2 py-1 text-[10px] font-bold text-blue-700 outline-none"
                      >
                        {target.yearlyAssessments.map(item => (
                          <option key={item.yearNumber} value={item.yearNumber}>
                            {item.label}
                          </option>
                        ))}
                      </select>
                    </div>
                    <div className="col-span-2 bg-slate-50/80 rounded-lg p-2 grid grid-cols-2 gap-3">
                      <div className="space-y-0.5">
                        <p className="text-[8px] font-bold text-slate-400 uppercase tracking-wider">总考核区间</p>
                        {target.periods.map((period, index) => (
                          <p key={index} className="text-[10px] font-black text-slate-700">{period}</p>
                        ))}
                      </div>
                      <div className="space-y-0.5">
                        <p className="text-[8px] font-bold text-slate-400 uppercase tracking-wider">总考核里程</p>
                        <p className="text-[10px] font-black text-slate-700">{fmtKm(target.totalMileagePerVehicle * target.vehicleCount)} km</p>
                      </div>
                    </div>
                    {assessment ? (
                      <>
                        <div className="space-y-0.5">
                          <p className="text-[8px] font-bold text-slate-400 uppercase tracking-wider">{assessment.label}区间</p>
                          {(assessment.periods.length > 0 ? assessment.periods : [`${assessment.startDate} ~ ${assessment.endDate}`]).map((period, index) => (
                            <p key={index} className="text-[10px] font-black text-slate-700">{period}</p>
                          ))}
                        </div>
                        <div className="space-y-0.5">
                          <p className="text-[8px] font-bold text-slate-400 uppercase tracking-wider">{assessment.label}任务/辆</p>
                          <p className="text-[10px] font-black text-slate-700">{fmtKm(target.annualMileagePerVehicle * assessment.yearNumber)} km</p>
                        </div>
                        <div className="space-y-0.5">
                          <p className="text-[8px] font-bold text-slate-400 uppercase tracking-wider">{assessment.label}已进入车辆</p>
                          <p className="text-[10px] font-black text-blue-600">{assessment.vehicleCount} 台</p>
                          {assessment.vehicleCount < target.vehicleCount && (
                            <p className="text-[8px] font-bold text-slate-400">其余 {target.vehicleCount - assessment.vehicleCount} 台尚未进入{assessment.label}</p>
                          )}
                        </div>
                        <div className="space-y-0.5">
                          <p className="text-[8px] font-bold text-slate-400 uppercase tracking-wider">{assessment.label}需完成</p>
                          <p className="text-[10px] font-black text-slate-700">{fmtKm(assessment.target)} km</p>
                        </div>
                        <div className="space-y-0.5">
                          <p className="text-[8px] font-bold text-slate-400 uppercase tracking-wider">{assessment.label}已完成</p>
                          <p className="text-[10px] font-black text-emerald-600">{fmtKm(assessment.completed)} km</p>
                          <p className="text-[8px] font-bold text-slate-300">
                            数据截至 {assessment.daysLeft === 0 ? fmtDateLabel(assessment.endDate) : currentDateLabel}
                          </p>
                        </div>
                        <div className="space-y-0.5">
                          <p className="text-[8px] font-bold text-slate-400 uppercase tracking-wider">{assessment.label}完成率</p>
                          <p className="text-[10px] font-black text-blue-600">{fmtPercent(assessment.completionRate)}</p>
                        </div>
                        <div className="space-y-0.5">
                          <p className="text-[8px] font-bold text-slate-400 uppercase tracking-wider">{assessment.label}达标率</p>
                          <p className="text-[10px] font-black text-emerald-600">{fmtPercent(assessment.qualifiedRate)} ({assessment.qualifiedCount}台)</p>
                        </div>
                        <div className="space-y-0.5">
                          <p className="text-[8px] font-bold text-slate-400 uppercase tracking-wider">{assessment.label}剩余里程</p>
                          <p className="text-[10px] font-black text-rose-500">{fmtKm(assessment.remaining)} km</p>
                        </div>
                        <div className="space-y-0.5">
                          <p className="text-[8px] font-bold text-slate-400 uppercase tracking-wider">{assessment.label}日均需完成</p>
                          <p className="text-[10px] font-black text-blue-500">
                            {assessment.daysLeft > 0 ? `${fmtKm(assessment.dailyTarget)} km` : '考核已到期'}
                          </p>
                        </div>
                      </>
                    ) : (
                      <div className="col-span-2 bg-slate-50 p-2 rounded-lg text-[10px] font-bold text-slate-400">
                        暂无第一年度车辆，当前车型车辆已进入后续考核年度。
                      </div>
                    )}
                    <div className="col-span-2 flex items-center justify-between bg-slate-50 p-2 rounded-lg">
                      <span className="text-[9px] font-bold text-slate-500">{assessment ? `${assessment.label}剩余考核天数` : '剩余考核天数'}</span>
                      <span className="text-[10px] font-black text-slate-900">{assessment?.daysLeft ?? target.daysLeft} 天</span>
                    </div>

                    <div className="col-span-2 space-y-2 mt-2">
                      <div className="flex items-center justify-between px-1">
                        <span className="text-[9px] font-black text-slate-400 uppercase tracking-widest">车辆明细 (前5台)</span>
                        <button
                          onClick={(event) => {
                            event.stopPropagation();
                            onViewAll(target);
                          }}
                          className="text-[8px] text-blue-500 font-bold hover:underline"
                        >
                          查看全部
                        </button>
                      </div>
                      <div className="space-y-1">
                        {vehicles.slice(0, 5).map(vehicle => (
                          <div key={vehicle.plateNumber} className="bg-slate-50/50/50 px-2 py-1.5 rounded-lg flex items-center justify-between">
                            <div className="flex items-center gap-2">
                              <span className="text-[10px] font-mono font-bold text-slate-700"><Blur>{vehicle.plateNumber}</Blur></span>
                              <span className="text-[7px] px-1 rounded bg-green-100 text-green-600 font-bold">
                                在线
                              </span>
                            </div>
                            <div className="text-right">
                              <span className="text-[10px] font-black text-blue-600">{vehicle.todayMileage}</span>
                              <span className="text-[8px] text-slate-400 ml-1">KM</span>
                            </div>
                          </div>
                        ))}
                      </div>
                    </div>
                  </div>
                </motion.div>
              )}
            </AnimatePresence>
          </div>
        )}
      </div>
    </div>
  );
}