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import { CloseOutlined } from '@ant-design/icons';
import { Button, Card, Divider, Form, Input, Select } from 'antd';
import { useMemo } from 'react';
import { useTranslation } from 'react-i18next';
import {
  Operator,
  SwitchElseTo,
  SwitchLogicOperatorOptions,
  SwitchOperatorOptions,
} from '../../constant';
import { useBuildFormSelectOptions } from '../../form-hooks';
import { useBuildComponentIdSelectOptions } from '../../hooks/use-get-begin-query';
import { IOperatorForm } from '../../interface';
import { getOtherFieldValues } from '../../utils';

import { ISwitchForm } from '@/interfaces/database/flow';
import styles from './index.less';

const SwitchForm = ({ onValuesChange, node, form }: IOperatorForm) => {
  const { t } = useTranslation();
  const buildCategorizeToOptions = useBuildFormSelectOptions(
    Operator.Switch,
    node?.id,
  );

  const getSelectedConditionTos = () => {
    const conditions: ISwitchForm['conditions'] =
      form?.getFieldValue('conditions');

    return conditions?.filter((x) => !!x).map((x) => x?.to) ?? [];
  };

  const switchOperatorOptions = useMemo(() => {
    return SwitchOperatorOptions.map((x) => ({
      value: x.value,
      label: t(`flow.switchOperatorOptions.${x.label}`),
    }));
  }, [t]);

  const switchLogicOperatorOptions = useMemo(() => {
    return SwitchLogicOperatorOptions.map((x) => ({
      value: x,
      label: t(`flow.switchLogicOperatorOptions.${x}`),
    }));
  }, [t]);

  const componentIdOptions = useBuildComponentIdSelectOptions(
    node?.id,
    node?.parentId,
  );

  return (
    <Form
      form={form}
      name="dynamic_form_complex"
      autoComplete="off"
      initialValues={{ conditions: [{}] }}
      onValuesChange={onValuesChange}
      layout={'vertical'}
    >
      <Form.List name="conditions">
        {(fields, { add, remove }) => (
          <div style={{ display: 'flex', rowGap: 16, flexDirection: 'column' }}>
            {fields.map((field) => {
              return (
                <Card
                  size="small"
                  title={`Case ${field.name + 1}`}
                  key={field.key}
                  className={styles.caseCard}
                  extra={
                    <CloseOutlined
                      onClick={() => {
                        remove(field.name);
                      }}
                    />
                  }
                >
                  <Form.Item noStyle dependencies={[field.name, 'items']}>
                    {({ getFieldValue }) =>
                      getFieldValue(['conditions', field.name, 'items'])
                        ?.length > 1 && (
                        <Form.Item
                          label={t('flow.logicalOperator')}
                          name={[field.name, 'logical_operator']}
                        >
                          <Select options={switchLogicOperatorOptions} />
                        </Form.Item>
                      )
                    }
                  </Form.Item>
                  <Form.Item
                    label={t('flow.nextStep')}
                    name={[field.name, 'to']}
                  >
                    <Select
                      allowClear
                      options={buildCategorizeToOptions([
                        form?.getFieldValue(SwitchElseTo),
                        ...getOtherFieldValues(
                          form!,
                          'conditions',
                          field,
                          'to',
                        ),
                      ])}
                    />
                  </Form.Item>
                  <Form.Item label="Condition">
                    <Form.List name={[field.name, 'items']}>
                      {(subFields, subOpt) => (
                        <div
                          style={{
                            display: 'flex',
                            flexDirection: 'column',
                            rowGap: 16,
                          }}
                        >
                          {subFields.map((subField) => (
                            <Card
                              key={subField.key}
                              title={null}
                              size="small"
                              className={styles.conditionCard}
                              bordered
                              extra={
                                <CloseOutlined
                                  onClick={() => {
                                    subOpt.remove(subField.name);
                                  }}
                                />
                              }
                            >
                              <Form.Item
                                label={t('flow.componentId')}
                                name={[subField.name, 'cpn_id']}
                              >
                                <Select
                                  placeholder={t('flow.componentId')}
                                  options={componentIdOptions}
                                />
                              </Form.Item>
                              <Form.Item
                                label={t('flow.operator')}
                                name={[subField.name, 'operator']}
                              >
                                <Select
                                  placeholder={t('flow.operator')}
                                  options={switchOperatorOptions}
                                />
                              </Form.Item>
                              <Form.Item
                                label={t('flow.value')}
                                name={[subField.name, 'value']}
                              >
                                <Input placeholder={t('flow.value')} />
                              </Form.Item>
                            </Card>
                          ))}
                          <Button
                            onClick={() => {
                              form?.setFieldValue(
                                ['conditions', field.name, 'logical_operator'],
                                SwitchLogicOperatorOptions[0],
                              );
                              subOpt.add({
                                operator: SwitchOperatorOptions[0].value,
                              });
                            }}
                            block
                            className={styles.addButton}
                          >
                            + Add Condition
                          </Button>
                        </div>
                      )}
                    </Form.List>
                  </Form.Item>
                </Card>
              );
            })}

            <Button onClick={() => add()} block className={styles.addButton}>
              + Add Case
            </Button>
          </div>
        )}
      </Form.List>
      <Divider />
      <Form.Item
        label={'ELSE'}
        name={[SwitchElseTo]}
        className={styles.elseCase}
      >
        <Select
          allowClear
          options={buildCategorizeToOptions(getSelectedConditionTos())}
        />
      </Form.Item>
    </Form>
  );
};

export default SwitchForm;