import type { KycSubmission } from './kyc.types';
import { useForm } from '@tanstack/react-form';
import { useState } from 'react';
import { toast } from 'sonner';
import z from 'zod';
import {
  Field,
  FieldError,
  FieldLabel,
} from '@/components/ui/field';
import { Input } from '@/components/ui/input';
import { Label } from '@/components/ui/label';
import { Select, SelectContent, SelectGroup, SelectItem, SelectTrigger, SelectValue } from '@/components/ui/select';
import { Spinner } from '@/components/ui/spinner';
import { Button } from '../../ui/button';
import { DialogContent, DialogDescription, DialogFooter, DialogHeader, DialogTitle } from '../../ui/dialog';

const CnridSchema = z.object({
  cnrid: z.string().min(18, '身份证号应为18位').max(18, '身份证号应为18位'),
  name: z.string().min(2, '姓名应至少2个字符').max(10, '姓名应不超过10个字符'),
});

function CnridForm({ onSubmit }: { onSubmit: OnSubmit }) {
  const form = useForm({
    defaultValues: {
      cnrid: '',
      name: '',
    },
    validators: {
      onSubmit: CnridSchema,
    },
    onSubmit: async (values) => {
      await onSubmit({
        method: 'cnrid',
        ...values.value,
      }).catch(() => {
        toast('认证失败，请稍后再试');
      });
    },
  });
  return (
    <form
      onSubmit={(e) => {
        e.preventDefault();
        e.stopPropagation();
        void form.handleSubmit();
      }}
      className="flex flex-col gap-4"
    >
      <form.Field name="name">
        {field => (
          <Field>
            <FieldLabel htmlFor="name">姓名</FieldLabel>
            <Input
              id="name"
              name="name"
              value={field.state.value}
              onBlur={field.handleBlur}
              onChange={e => field.handleChange(e.target.value)}
            />
            <FieldError errors={field.state.meta.errors} />
          </Field>
        )}
      </form.Field>
      <form.Field name="cnrid">
        {field => (
          <Field>
            <FieldLabel htmlFor="cnrid">身份证号</FieldLabel>
            <Input
              id="cnrid"
              name="cnrid"
              value={field.state.value}
              onBlur={field.handleBlur}
              onChange={e => field.handleChange(e.target.value)}
            />
            <FieldError errors={field.state.meta.errors} />
          </Field>
        )}
      </form.Field>
      <DialogFooter>
        <form.Subscribe
          selector={state => [state.canSubmit, state.isPristine, state.isSubmitting]}
          children={([canSubmit, isPristine, isSubmitting]) => (
            <Button type="submit" disabled={!canSubmit || isPristine || isSubmitting}>{isSubmitting ? <Spinner /> : '开始认证'}</Button>
          )}
        />
      </DialogFooter>
    </form>
  );
}

const PassportSchema = z.object({
  passportId: z.string().min(9, '护照号应为9个字符').max(9, '护照号应为9个字符'),
});

function PassportForm({ onSubmit }: { onSubmit: OnSubmit }) {
  const form = useForm({
    defaultValues: {
      passportId: '',
    },
    validators: {
      onSubmit: PassportSchema,
    },
    onSubmit: async (values) => {
      await onSubmit({
        method: 'passport',
        ...values.value,
      }).catch(() => {
        toast('认证失败，请稍后再试');
      });
    },
  });
  return (
    <form
      onSubmit={(e) => {
        e.preventDefault();
        e.stopPropagation();
        void form.handleSubmit();
      }}
      className="flex flex-col gap-4"
    >
      <form.Field name="passportId">
        {field => (
          <Field>
            <FieldLabel htmlFor="passportId">护照号</FieldLabel>
            <Input
              id="passportId"
              name="passportId"
              value={field.state.value}
              onBlur={field.handleBlur}
              onChange={e => field.handleChange(e.target.value)}
            />
            <FieldError errors={field.state.meta.errors} />
          </Field>
        )}
      </form.Field>
      <DialogFooter>
        <form.Subscribe
          selector={state => [state.canSubmit, state.isPristine, state.isSubmitting]}
          children={([canSubmit, isPristine, isSubmitting]) => (
            <Button type="submit" disabled={!canSubmit || isPristine || isSubmitting}>{isSubmitting ? '...' : '开始认证'}</Button>
          )}
        />
      </DialogFooter>
    </form>
  );
}

type OnSubmit = (submission: KycSubmission) => Promise<void>;

export function KycMethodSelectionDialogView({ onSubmit }: { onSubmit: OnSubmit }) {
  const [kycMethod, setKycMethod] = useState<string | null>(null);

  return (
    <DialogContent className="max-w-md">
      <DialogHeader>
        <DialogTitle>选择身份认证模式</DialogTitle>
        <DialogDescription className="prose">
          <p>我们支持身份证和护照认证。</p>
        </DialogDescription>
      </DialogHeader>
      <Label htmlFor="selection">身份认证模式</Label>
      <Select onValueChange={setKycMethod}>
        <SelectTrigger className="w-[180px]">
          <SelectValue placeholder="请选择..." />
        </SelectTrigger>
        <SelectContent>
          <SelectGroup id="selection">
            <SelectItem value="cnrid">身份证</SelectItem>
            <SelectItem value="passport">护照</SelectItem>
          </SelectGroup>
        </SelectContent>
      </Select>
      {kycMethod === 'cnrid' && <CnridForm onSubmit={onSubmit} />}
      {kycMethod === 'passport' && <PassportForm onSubmit={onSubmit} />}
    </DialogContent>
  );
}