'use client';

import * as React from 'react';
import { Button } from '@/components/ui/button';
import {
  Dialog,
  DialogContent,
  DialogDescription,
  DialogFooter,
  DialogHeader,
  DialogTitle,
} from '@/components/ui/dialog';
import { Input } from '@/components/ui/input';
import { Label } from '@/components/ui/label';
import { Select } from '@/components/ui/select';
import { Textarea } from '@/components/ui/textarea';
import { useCreateLead } from '@/lib/hooks/use-leads';
import { LEAD_SOURCES } from '@/lib/leads-api';

interface CreateLeadDialogProps {
  open: boolean;
  onOpenChange: (open: boolean) => void;
}

export function CreateLeadDialog({ open, onOpenChange }: CreateLeadDialogProps) {
  const createLead = useCreateLead();
  const [form, setForm] = React.useState({
    name: '',
    phone: '',
    email: '',
    source: 'website',
    score: '',
    notes: '',
  });

  const handleSubmit = (e: React.FormEvent) => {
    e.preventDefault();
    createLead.mutate(
      {
        name: form.name,
        phone: form.phone,
        email: form.email || undefined,
        source: form.source,
        score: form.score ? Number(form.score) : undefined,
        notes: form.notes ? { text: form.notes } : undefined,
      },
      {
        onSuccess: () => {
          setForm({ name: '', phone: '', email: '', source: 'website', score: '', notes: '' });
          onOpenChange(false);
        },
      },
    );
  };

  return (
    <Dialog open={open} onOpenChange={onOpenChange}>
      <DialogContent className="max-w-md sm:max-w-lg">
        <DialogHeader>
          <DialogTitle>Thêm lead mới</DialogTitle>
          <DialogDescription>
            Nhập thông tin khách hàng tiềm năng
          </DialogDescription>
        </DialogHeader>

        <form onSubmit={handleSubmit} className="space-y-4 py-2">
          <div className="space-y-2">
            <Label htmlFor="lead-name">Tên khách hàng *</Label>
            <Input
              id="lead-name"
              value={form.name}
              onChange={(e) => setForm((f) => ({ ...f, name: e.target.value }))}
              placeholder="Nguyễn Văn A"
              required
            />
          </div>

          <div className="grid grid-cols-1 gap-4 sm:grid-cols-2">
            <div className="space-y-2">
              <Label htmlFor="lead-phone">Số điện thoại *</Label>
              <Input
                id="lead-phone"
                value={form.phone}
                onChange={(e) => setForm((f) => ({ ...f, phone: e.target.value }))}
                placeholder="0901234567"
                required
              />
            </div>
            <div className="space-y-2">
              <Label htmlFor="lead-email">Email</Label>
              <Input
                id="lead-email"
                type="email"
                value={form.email}
                onChange={(e) => setForm((f) => ({ ...f, email: e.target.value }))}
                placeholder="email@example.com"
              />
            </div>
          </div>

          <div className="grid grid-cols-1 gap-4 sm:grid-cols-2">
            <div className="space-y-2">
              <Label htmlFor="lead-source">Nguồn</Label>
              <Select
                id="lead-source"
                value={form.source}
                onChange={(e) => setForm((f) => ({ ...f, source: e.target.value }))}
              >
                {LEAD_SOURCES.map((s) => (
                  <option key={s.value} value={s.value}>
                    {s.label}
                  </option>
                ))}
              </Select>
            </div>
            <div className="space-y-2">
              <Label htmlFor="lead-score">Điểm (0-100)</Label>
              <Input
                id="lead-score"
                type="number"
                min={0}
                max={100}
                value={form.score}
                onChange={(e) => setForm((f) => ({ ...f, score: e.target.value }))}
                placeholder="75"
              />
            </div>
          </div>

          <div className="space-y-2">
            <Label htmlFor="lead-notes">Ghi chú</Label>
            <Textarea
              id="lead-notes"
              value={form.notes}
              onChange={(e) => setForm((f) => ({ ...f, notes: e.target.value }))}
              placeholder="Thông tin bổ sung về khách hàng..."
              rows={3}
            />
          </div>

          <DialogFooter>
            <Button type="button" variant="outline" onClick={() => onOpenChange(false)}>
              Hủy
            </Button>
            <Button type="submit" disabled={createLead.isPending}>
              {createLead.isPending ? 'Đang tạo...' : 'Tạo lead'}
            </Button>
          </DialogFooter>
        </form>
      </DialogContent>
    </Dialog>
  );
}