/**
 * @license
 * SPDX-License-Identifier: Apache-2.0
 */

import React, { useState } from 'react';
import { AccountabilityCase, CaseCategory, CreateCaseInput } from '../types';
import { FilePlus2, X, Plus, AlertCircle } from 'lucide-react';

interface CreateCaseFormProps {
  onClose: () => void;
  onSubmit: (newCase: CreateCaseInput) => void;
}

export default function CreateCaseForm({ onClose, onSubmit }: CreateCaseFormProps) {
  const [title, setTitle] = useState('');
  const [category, setCategory] = useState<CaseCategory>('asset');
  const [accusedName, setAccusedName] = useState('');
  const [accusedDept, setAccusedDept] = useState('');
  const [accusedPost, setAccusedPost] = useState('');
  const [incidentAmount, setIncidentAmount] = useState<number>(0);
  const [description, setDescription] = useState('');
  const [investigationTeamInput, setInvestigationTeamInput] = useState('');

  const [error, setError] = useState('');

  const handleSubmit = (e: React.FormEvent) => {
    e.preventDefault();
    if (!title.trim()) return setError('请输入案件名称');
    if (!accusedName.trim()) return setError('请输入被问责人姓名');
    if (!accusedDept.trim()) return setError('请输入被问责人部门');
    if (!accusedPost.trim()) return setError('请输入被问责人职务');
    if (!description.trim()) return setError('请输入违规事实描述');

    const team = investigationTeamInput.split(/[,，\s]+/).filter(Boolean);
    if (team.length === 0) {
      team.push('王严明', '陈调查'); // 默认调查人
    }

    onSubmit({
      title,
      category,
      accusedName,
      accusedDept,
      accusedPost,
      incidentAmount,
      description,
      investigationTeam: team,
    });
  };

  return (
    <div className="fixed inset-0 bg-slate-950/60 backdrop-blur-xs flex items-center justify-center p-4 z-50 animate-fade-in" id="create-case-modal">
      <div className="bg-white rounded-xl shadow-xl border border-slate-200 w-full max-w-xl overflow-hidden flex flex-col max-h-[90vh]">
        
        {/* 头部 */}
        <div className="bg-slate-900 text-white p-4 flex justify-between items-center">
          <div className="flex items-center gap-2">
            <FilePlus2 className="w-5 h-5 text-blue-400" />
            <h3 className="text-sm font-bold">发起银行内部问责立案</h3>
          </div>
          <button onClick={onClose} className="text-slate-400 hover:text-white transition-colors cursor-pointer">
            <X className="w-5 h-5" />
          </button>
        </div>

        {/* 表单体 */}
        <form onSubmit={handleSubmit} className="p-6 space-y-4 overflow-y-auto flex-1 text-slate-700 text-xs">
          {error && (
            <div className="bg-red-50 border border-red-200 text-red-700 p-2.5 rounded-lg flex items-center gap-2">
              <AlertCircle className="w-4 h-4 text-red-500 shrink-0" />
              <span>{error}</span>
            </div>
          )}

          {/* 案件基本信息 */}
          <div className="space-y-3">
            <div>
              <label className="block text-[11px] font-bold text-slate-600 mb-1">案件/违规事由名称 *</label>
              <input
                type="text"
                placeholder="例如：关于某分行违规发放流贷造成损失责任问责案"
                value={title}
                onChange={(e) => setTitle(e.target.value)}
                className="w-full text-xs px-3 py-2 border border-slate-200 rounded-lg focus:outline-none focus:border-blue-500"
              />
            </div>

            <div className="grid grid-cols-2 gap-3">
              <div>
                <label className="block text-[11px] font-bold text-slate-600 mb-1">案件分类 *</label>
                <select
                  value={category}
                  onChange={(e) => setCategory(e.target.value as CaseCategory)}
                  className="w-full text-xs px-3 py-2 border border-slate-200 rounded-lg bg-white focus:outline-none focus:border-blue-500"
                >
                  <option value="asset">问题资产问责案 (时限90天)</option>
                  <option value="non-asset">非问题资产问责案 (时限30工作日)</option>
                </select>
              </div>
              <div>
                <label className="block text-[11px] font-bold text-slate-600 mb-1">涉案/事件涉及金额 (万元)</label>
                <input
                  type="number"
                  placeholder="例如：1200"
                  value={incidentAmount || ''}
                  onChange={(e) => setIncidentAmount(Number(e.target.value))}
                  className="w-full text-xs px-3 py-2 border border-slate-200 rounded-lg focus:outline-none focus:border-blue-500"
                />
              </div>
            </div>
          </div>

          {/* 被问责人信息 */}
          <div className="bg-slate-50 p-3 rounded-lg border border-slate-100 space-y-3">
            <h4 className="font-bold text-slate-800 border-b border-slate-200 pb-1 flex items-center gap-1">
              被问责人（责任人）档案信息
            </h4>
            
            <div className="grid grid-cols-3 gap-2">
              <div>
                <label className="block text-[10px] text-slate-500 mb-1">姓名 *</label>
                <input
                  type="text"
                  placeholder="张建国"
                  value={accusedName}
                  onChange={(e) => setAccusedName(e.target.value)}
                  className="w-full text-xs px-2.5 py-1.5 border border-slate-200 bg-white rounded-md focus:outline-none focus:border-blue-500"
                />
              </div>
              <div>
                <label className="block text-[10px] text-slate-500 mb-1">部门 *</label>
                <input
                  type="text"
                  placeholder="普惠金融部"
                  value={accusedDept}
                  onChange={(e) => setAccusedDept(e.target.value)}
                  className="w-full text-xs px-2.5 py-1.5 border border-slate-200 bg-white rounded-md focus:outline-none focus:border-blue-500"
                />
              </div>
              <div>
                <label className="block text-[10px] text-slate-500 mb-1">职务 *</label>
                <input
                  type="text"
                  placeholder="高级客户经理"
                  value={accusedPost}
                  onChange={(e) => setAccusedPost(e.target.value)}
                  className="w-full text-xs px-2.5 py-1.5 border border-slate-200 bg-white rounded-md focus:outline-none focus:border-blue-500"
                />
              </div>
            </div>
          </div>

          {/* 调查组指定 */}
          <div>
            <label className="block text-[11px] font-bold text-slate-600 mb-1">指定问责调查组成员</label>
            <input
              type="text"
              placeholder="请输入调查人名字，用逗号或空格分隔，例如：王严明, 陈调查"
              value={investigationTeamInput}
              onChange={(e) => setInvestigationTeamInput(e.target.value)}
              className="w-full text-xs px-3 py-2 border border-slate-200 rounded-lg focus:outline-none focus:border-blue-500"
            />
            <p className="text-[10px] text-slate-400 mt-1">
              留空将自动指定系统合规调查处的资深调查专家：【王严明】、【陈调查】。
            </p>
          </div>

          {/* 违规事实描述 */}
          <div>
            <label className="block text-[11px] font-bold text-slate-600 mb-1">违规基本事实与立案审查意见 *</label>
            <textarea
              rows={4}
              placeholder="请详尽输入经审计/风险条线核查出的员工违规操作基本事实。这将被归档入原始立案证据并在后续事实见面、申辩、审理中作为基础依据..."
              value={description}
              onChange={(e) => setDescription(e.target.value)}
              className="w-full text-xs px-3 py-2 border border-slate-200 rounded-lg focus:outline-none focus:border-blue-500 font-sans"
            />
          </div>

          {/* 底栏按钮 */}
          <div className="flex justify-end gap-2 pt-4 border-t border-slate-100">
            <button
              type="button"
              onClick={onClose}
              className="px-4 py-2 border border-slate-200 hover:bg-slate-50 text-slate-700 rounded-lg font-semibold cursor-pointer"
            >
              取消
            </button>
            <button
              type="submit"
              className="px-4 py-2 bg-blue-600 hover:bg-blue-700 text-white rounded-lg font-semibold shadow-sm flex items-center gap-1.5 cursor-pointer"
            >
              <Plus className="w-4 h-4" />
              确认立案并成立调查组
            </button>
          </div>
        </form>
      </div>
    </div>
  );
}