var __awaiter = this && this.__awaiter || function (thisArg, _arguments, P, generator) {
  function adopt(value) {
    return value instanceof P ? value : new P(function (resolve) {
      resolve(value);
    });
  }
  return new (P || (P = Promise))(function (resolve, reject) {
    function fulfilled(value) {
      try {
        step(generator.next(value));
      } catch (e) {
        reject(e);
      }
    }
    function rejected(value) {
      try {
        step(generator["throw"](value));
      } catch (e) {
        reject(e);
      }
    }
    function step(result) {
      result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected);
    }
    step((generator = generator.apply(thisArg, _arguments || [])).next());
  });
};
import { h, defineComponent, computed, toRef, ref, provide, inject, watch, Transition, onMounted } from 'vue';
import Schema from 'async-validator';
import { get } from 'lodash-es';
import { createId } from 'seemly';
import { formItemInjectionKey } from "../../_mixins/use-form-item.mjs";
import { useConfig, useTheme, useThemeClass } from "../../_mixins/index.mjs";
import { warn, createKey, useInjectionInstanceCollection, keysOf, resolveWrappedSlot } from "../../_utils/index.mjs";
import { formLight } from "../styles/index.mjs";
import { formItemMisc, formItemSize, formItemRule } from "./utils.mjs";
import { formInjectionKey, formItemInstsInjectionKey } from "./context.mjs";
import style from "./styles/form-item.cssr.mjs";
export const formItemProps = Object.assign(Object.assign({}, useTheme.props), {
  label: String,
  labelWidth: [Number, String],
  labelStyle: [String, Object],
  labelAlign: String,
  labelPlacement: String,
  path: String,
  first: Boolean,
  rulePath: String,
  required: Boolean,
  showRequireMark: {
    type: Boolean,
    default: undefined
  },
  requireMarkPlacement: String,
  showFeedback: {
    type: Boolean,
    default: undefined
  },
  rule: [Object, Array],
  size: String,
  ignorePathChange: Boolean,
  validationStatus: String,
  feedback: String,
  showLabel: {
    type: Boolean,
    default: undefined
  },
  labelProps: Object
});
export const formItemPropKeys = keysOf(formItemProps);
// wrap sync validator
function wrapValidator(validator, async) {
  return (...args) => {
    try {
      const validateResult = validator(...args);
      if (!async && (typeof validateResult === 'boolean' || validateResult instanceof Error || Array.isArray(validateResult)) || (
      // Error[]
      validateResult === null || validateResult === void 0 ? void 0 : validateResult.then)) {
        return validateResult;
      } else if (validateResult === undefined) {
        return true;
      } else {
        warn('form-item/validate', `You return a ${typeof validateResult} ` + 'typed value in the validator method, which is not recommended. Please use ' + (async ? '`Promise`' : '`boolean`, `Error` or `Promise`') + ' typed value instead.');
        return true;
      }
    } catch (err) {
      warn('form-item/validate', 'An error is catched in the validation, ' + "so the validation won't be done. Your callback in `validate` method of " + "`n-form` or `n-form-item` won't be called in this validation.");
      console.error(err);
      // If returns undefined, async-validator won't trigger callback
      // so the result will be abandoned, which means not true and not false
      return undefined;
    }
  };
}
export default defineComponent({
  name: 'FormItem',
  props: formItemProps,
  setup(props) {
    useInjectionInstanceCollection(formItemInstsInjectionKey, 'formItems', toRef(props, 'path'));
    const {
      mergedClsPrefixRef,
      inlineThemeDisabled
    } = useConfig(props);
    const NForm = inject(formInjectionKey, null);
    const formItemSizeRefs = formItemSize(props);
    const formItemMiscRefs = formItemMisc(props);
    const {
      validationErrored: validationErroredRef,
      validationWarned: validationWarnedRef
    } = formItemMiscRefs;
    const {
      mergedRequired: mergedRequiredRef,
      mergedRules: mergedRulesRef
    } = formItemRule(props);
    const {
      mergedSize: mergedSizeRef
    } = formItemSizeRefs;
    const {
      mergedLabelPlacement: labelPlacementRef,
      mergedLabelAlign: labelTextAlignRef,
      mergedRequireMarkPlacement: mergedRequireMarkPlacementRef
    } = formItemMiscRefs;
    const renderExplainsRef = ref([]);
    const feedbackIdRef = ref(createId());
    const mergedDisabledRef = NForm ? toRef(NForm.props, 'disabled') : ref(false);
    const themeRef = useTheme('Form', '-form-item', style, formLight, props, mergedClsPrefixRef);
    watch(toRef(props, 'path'), () => {
      if (props.ignorePathChange) return;
      restoreValidation();
    });
    function restoreValidation() {
      renderExplainsRef.value = [];
      validationErroredRef.value = false;
      validationWarnedRef.value = false;
      if (props.feedback) {
        feedbackIdRef.value = createId();
      }
    }
    function handleContentBlur() {
      void internalValidate('blur');
    }
    function handleContentChange() {
      void internalValidate('change');
    }
    function handleContentFocus() {
      void internalValidate('focus');
    }
    function handleContentInput() {
      void internalValidate('input');
    }
    function validate(options, callback) {
      return __awaiter(this, void 0, void 0, function* () {
        /** the following code is for compatibility */
        let trigger;
        let validateCallback;
        let shouldRuleBeApplied;
        let asyncValidatorOptions;
        if (typeof options === 'string') {
          trigger = options;
          validateCallback = callback;
        } else if (options !== null && typeof options === 'object') {
          trigger = options.trigger;
          validateCallback = options.callback;
          shouldRuleBeApplied = options.shouldRuleBeApplied;
          asyncValidatorOptions = options.options;
        }
        yield new Promise((resolve, reject) => {
          void internalValidate(trigger, shouldRuleBeApplied, asyncValidatorOptions).then(({
            valid,
            errors,
            warnings
          }) => {
            if (valid) {
              if (validateCallback) {
                validateCallback(undefined, {
                  warnings
                });
              }
              resolve();
            } else {
              if (validateCallback) {
                validateCallback(errors, {
                  warnings
                });
              }
              reject(errors);
            }
          });
        });
      });
    }
    const internalValidate = (trigger = null, shouldRuleBeApplied = () => true, options = {
      suppressWarning: true
    }) => __awaiter(this, void 0, void 0, function* () {
      const {
        path
      } = props;
      if (!options) {
        options = {};
      } else {
        if (!options.first) options.first = props.first;
      }
      const {
        value: rules
      } = mergedRulesRef;
      const value = NForm ? get(NForm.props.model, path || '') : undefined;
      const messageRenderers = {};
      const originalMessageRendersMessage = {};
      const activeRules = (!trigger ? rules : rules.filter(rule => {
        if (Array.isArray(rule.trigger)) {
          return rule.trigger.includes(trigger);
        } else {
          return rule.trigger === trigger;
        }
      })).filter(shouldRuleBeApplied).map((rule, i) => {
        const shallowClonedRule = Object.assign({}, rule);
        if (shallowClonedRule.validator) {
          shallowClonedRule.validator = wrapValidator(shallowClonedRule.validator, false);
        }
        if (shallowClonedRule.asyncValidator) {
          shallowClonedRule.asyncValidator = wrapValidator(shallowClonedRule.asyncValidator, true);
        }
        if (shallowClonedRule.renderMessage) {
          const rendererKey = `__renderMessage__${i}`;
          originalMessageRendersMessage[rendererKey] = shallowClonedRule.message;
          shallowClonedRule.message = rendererKey;
          messageRenderers[rendererKey] = shallowClonedRule.renderMessage;
        }
        return shallowClonedRule;
      });
      const activeErrorRules = activeRules.filter(r => r.level !== 'warning');
      const activeWarningRules = activeRules.filter(r => r.level === 'warning');
      const mergedPath = path !== null && path !== void 0 ? path : '__n_no_path__';
      const validator = new Schema({
        [mergedPath]: activeErrorRules
      });
      const warningValidator = new Schema({
        [mergedPath]: activeWarningRules
      });
      const {
        validateMessages
      } = (NForm === null || NForm === void 0 ? void 0 : NForm.props) || {};
      if (validateMessages) {
        validator.messages(validateMessages);
        warningValidator.messages(validateMessages);
      }
      const renderMessages = errors => {
        renderExplainsRef.value = errors.map(error => {
          const transformedMessage = (error === null || error === void 0 ? void 0 : error.message) || '';
          return {
            key: transformedMessage,
            render: () => {
              if (transformedMessage.startsWith('__renderMessage__')) {
                return messageRenderers[transformedMessage]();
              }
              return transformedMessage;
            }
          };
        });
        errors.forEach(error => {
          var _a;
          if ((_a = error.message) === null || _a === void 0 ? void 0 : _a.startsWith('__renderMessage__')) {
            error.message = originalMessageRendersMessage[error.message];
          }
        });
      };
      const validationResult = {
        valid: true,
        errors: undefined,
        warnings: undefined
      };
      if (activeErrorRules.length) {
        const errors = yield new Promise(resolve => {
          void validator.validate({
            [mergedPath]: value
          }, options, resolve);
        });
        if (errors === null || errors === void 0 ? void 0 : errors.length) {
          validationErroredRef.value = true;
          validationResult.valid = false;
          validationResult.errors = errors;
          renderMessages(errors);
        }
      }
      // if there are already errors, warning check can be skipped
      if (activeWarningRules.length && !validationResult.errors) {
        const warnings = yield new Promise(resolve => {
          void warningValidator.validate({
            [mergedPath]: value
          }, options, resolve);
        });
        if (warnings === null || warnings === void 0 ? void 0 : warnings.length) {
          renderMessages(warnings);
          validationWarnedRef.value = true;
          validationResult.warnings = warnings;
        }
      }
      if (!validationResult.errors && !validationResult.warnings) {
        restoreValidation();
      }
      return validationResult;
    });
    provide(formItemInjectionKey, {
      path: toRef(props, 'path'),
      disabled: mergedDisabledRef,
      mergedSize: formItemSizeRefs.mergedSize,
      mergedValidationStatus: formItemMiscRefs.mergedValidationStatus,
      restoreValidation,
      handleContentBlur,
      handleContentChange,
      handleContentFocus,
      handleContentInput
    });
    const exposedRef = {
      validate,
      restoreValidation,
      internalValidate
    };
    const labelElementRef = ref(null);
    onMounted(() => {
      if (!formItemMiscRefs.isAutoLabelWidth.value) return;
      const labelElement = labelElementRef.value;
      if (labelElement !== null) {
        const memoizedWhitespace = labelElement.style.whiteSpace;
        labelElement.style.whiteSpace = 'nowrap';
        labelElement.style.width = '';
        NForm === null || NForm === void 0 ? void 0 : NForm.deriveMaxChildLabelWidth(Number(getComputedStyle(labelElement).width.slice(0, -2)));
        labelElement.style.whiteSpace = memoizedWhitespace;
      }
    });
    const cssVarsRef = computed(() => {
      var _a;
      const {
        value: size
      } = mergedSizeRef;
      const {
        value: labelPlacement
      } = labelPlacementRef;
      const direction = labelPlacement === 'top' ? 'vertical' : 'horizontal';
      const {
        common: {
          cubicBezierEaseInOut
        },
        self: {
          labelTextColor,
          asteriskColor,
          lineHeight,
          feedbackTextColor,
          feedbackTextColorWarning,
          feedbackTextColorError,
          feedbackPadding,
          labelFontWeight,
          [createKey('labelHeight', size)]: labelHeight,
          [createKey('blankHeight', size)]: blankHeight,
          [createKey('feedbackFontSize', size)]: feedbackFontSize,
          [createKey('feedbackHeight', size)]: feedbackHeight,
          [createKey('labelPadding', direction)]: labelPadding,
          [createKey('labelTextAlign', direction)]: labelTextAlign,
          [createKey(createKey('labelFontSize', labelPlacement), size)]: labelFontSize
        }
      } = themeRef.value;
      let mergedLabelTextAlign = (_a = labelTextAlignRef.value) !== null && _a !== void 0 ? _a : labelTextAlign;
      if (labelPlacement === 'top') {
        mergedLabelTextAlign = mergedLabelTextAlign === 'right' ? 'flex-end' : 'flex-start';
      }
      const cssVars = {
        '--n-bezier': cubicBezierEaseInOut,
        '--n-line-height': lineHeight,
        '--n-blank-height': blankHeight,
        '--n-label-font-size': labelFontSize,
        '--n-label-text-align': mergedLabelTextAlign,
        '--n-label-height': labelHeight,
        '--n-label-padding': labelPadding,
        '--n-label-font-weight': labelFontWeight,
        '--n-asterisk-color': asteriskColor,
        '--n-label-text-color': labelTextColor,
        '--n-feedback-padding': feedbackPadding,
        '--n-feedback-font-size': feedbackFontSize,
        '--n-feedback-height': feedbackHeight,
        '--n-feedback-text-color': feedbackTextColor,
        '--n-feedback-text-color-warning': feedbackTextColorWarning,
        '--n-feedback-text-color-error': feedbackTextColorError
      };
      return cssVars;
    });
    const themeClassHandle = inlineThemeDisabled ? useThemeClass('form-item', computed(() => {
      var _a;
      return `${mergedSizeRef.value[0]}${labelPlacementRef.value[0]}${((_a = labelTextAlignRef.value) === null || _a === void 0 ? void 0 : _a[0]) || ''}`;
    }), cssVarsRef, props) : undefined;
    const reverseColSpaceRef = computed(() => {
      // label placement left
      // require-mark-placement | label align | areas (1fr auto)
      // left                   | left        | mark text (need reverse)
      // left                   | right       | mark text (okay)
      // right                  | left        | mark text (okay)
      // right                  | right       | mark text (okay)
      // right-hanging          | left        | text mark (okay)
      // right-hanging          | right       | text mark (okay)
      return labelPlacementRef.value === 'left' && mergedRequireMarkPlacementRef.value === 'left' && labelTextAlignRef.value === 'left';
    });
    return Object.assign(Object.assign(Object.assign(Object.assign({
      labelElementRef,
      mergedClsPrefix: mergedClsPrefixRef,
      mergedRequired: mergedRequiredRef,
      feedbackId: feedbackIdRef,
      renderExplains: renderExplainsRef,
      reverseColSpace: reverseColSpaceRef
    }, formItemMiscRefs), formItemSizeRefs), exposedRef), {
      cssVars: inlineThemeDisabled ? undefined : cssVarsRef,
      themeClass: themeClassHandle === null || themeClassHandle === void 0 ? void 0 : themeClassHandle.themeClass,
      onRender: themeClassHandle === null || themeClassHandle === void 0 ? void 0 : themeClassHandle.onRender
    });
  },
  render() {
    const {
      $slots,
      mergedClsPrefix,
      mergedShowLabel,
      mergedShowRequireMark,
      mergedRequireMarkPlacement,
      onRender
    } = this;
    const renderedShowRequireMark = mergedShowRequireMark !== undefined ? mergedShowRequireMark : this.mergedRequired;
    onRender === null || onRender === void 0 ? void 0 : onRender();
    const renderLabel = () => {
      const labelText = this.$slots.label ? this.$slots.label() : this.label;
      if (!labelText) return null;
      const textNode = h("span", {
        class: `${mergedClsPrefix}-form-item-label__text`
      }, labelText);
      const markNode = renderedShowRequireMark ? h("span", {
        class: `${mergedClsPrefix}-form-item-label__asterisk`
      }, mergedRequireMarkPlacement !== 'left' ? '\u00A0*' : '*\u00A0') : mergedRequireMarkPlacement === 'right-hanging' && h("span", {
        class: `${mergedClsPrefix}-form-item-label__asterisk-placeholder`
      }, '\u00A0*');
      const {
        labelProps
      } = this;
      return h("label", Object.assign({}, labelProps, {
        class: [labelProps === null || labelProps === void 0 ? void 0 : labelProps.class, `${mergedClsPrefix}-form-item-label`, `${mergedClsPrefix}-form-item-label--${mergedRequireMarkPlacement}-mark`, this.reverseColSpace && `${mergedClsPrefix}-form-item-label--reverse-columns-space`],
        style: this.mergedLabelStyle,
        ref: "labelElementRef"
      }), mergedRequireMarkPlacement === 'left' ? [markNode, textNode] : [textNode, markNode]);
    };
    return h("div", {
      class: [`${mergedClsPrefix}-form-item`, this.themeClass, `${mergedClsPrefix}-form-item--${this.mergedSize}-size`, `${mergedClsPrefix}-form-item--${this.mergedLabelPlacement}-labelled`, this.isAutoLabelWidth && `${mergedClsPrefix}-form-item--auto-label-width`, !mergedShowLabel && `${mergedClsPrefix}-form-item--no-label`],
      style: this.cssVars
    }, mergedShowLabel && renderLabel(), h("div", {
      class: [`${mergedClsPrefix}-form-item-blank`, this.mergedValidationStatus && `${mergedClsPrefix}-form-item-blank--${this.mergedValidationStatus}`]
    }, $slots), this.mergedShowFeedback ? h("div", {
      key: this.feedbackId,
      class: `${mergedClsPrefix}-form-item-feedback-wrapper`
    }, h(Transition, {
      name: "fade-down-transition",
      mode: "out-in"
    }, {
      default: () => {
        const {
          mergedValidationStatus
        } = this;
        return resolveWrappedSlot($slots.feedback, children => {
          var _a;
          const {
            feedback
          } = this;
          const feedbackNodes = children || feedback ? h("div", {
            key: "__feedback__",
            class: `${mergedClsPrefix}-form-item-feedback__line`
          }, children || feedback) : this.renderExplains.length ? (_a = this.renderExplains) === null || _a === void 0 ? void 0 : _a.map(({
            key,
            render
          }) => h("div", {
            key: key,
            class: `${mergedClsPrefix}-form-item-feedback__line`
          }, render())) : null;
          return feedbackNodes ? mergedValidationStatus === 'warning' ? h("div", {
            key: "controlled-warning",
            class: `${mergedClsPrefix}-form-item-feedback ${mergedClsPrefix}-form-item-feedback--warning`
          }, feedbackNodes) : mergedValidationStatus === 'error' ? h("div", {
            key: "controlled-error",
            class: `${mergedClsPrefix}-form-item-feedback ${mergedClsPrefix}-form-item-feedback--error`
          }, feedbackNodes) : mergedValidationStatus === 'success' ? h("div", {
            key: "controlled-success",
            class: `${mergedClsPrefix}-form-item-feedback ${mergedClsPrefix}-form-item-feedback--success`
          }, feedbackNodes) : h("div", {
            key: "controlled-default",
            class: `${mergedClsPrefix}-form-item-feedback`
          }, feedbackNodes) : null;
        });
      }
    })) : null);
  }
});