import type { BooleanField, Form, FormField, FormFieldGroup, ImageField, NumberField, ParagraphField, SelectField, StringField } from '@devvit/shared';
export type FormAction = 'CANCELED' | 'SUBMITTED';
export type FormEffectResponse<T> = {
    action: 'CANCELED';
} | {
    action: 'SUBMITTED';
    values: T;
};
/**
 * A function that returns a form. You can use this to dynamically generate a form.
 * @example
 * ```ts
 * const formKey = Devvit.createForm((data) => ({
 *   fields: data.fields,
 *   title: data.title,
 * }), callback);
 *
 * ...
 *
 * ui.showForm(formKey, {
 *  fields: [{ type: 'string', name: 'title', label: 'Title' }]
 *  title: 'My dynamic form'
 * });
 * ```
 * */
export type FormFunction<T extends {
    [key: string]: any;
} = {
    [key: string]: any;
}> = (data: T) => Form;
export type FormToFormValues<T extends Form | FormFunction = Form | FormFunction> = FormFieldsToFormValues<(T extends FormFunction ? ReturnType<T> : T)['fields']>;
/**
 * Input is a FormField[], output is a
 * {fieldNameA: fieldTypeA, fieldNameB: fieldTypeB}.
 */
type FormFieldsToFormValues<T extends readonly FormField[]> = T extends readonly [
    infer Field extends FormField,
    ...infer Rest extends FormField[]
] ? FormFieldToFormValue<Field> & FormFieldsToFormValues<Rest> : {
    [key: string]: any;
};
/** Input is a FormField, output is a {fieldName: fieldType}. */
type FormFieldToFormValue<T extends FormField> = T extends BooleanField ? {
    [_ in T['name']]: boolean;
} : T extends ImageField | ParagraphField | StringField ? FormFieldToRequiredFormValue<T, string> : T extends NumberField ? FormFieldToRequiredFormValue<T, number> : T extends SelectField ? {
    [_ in T['name']]: string[];
} : T extends FormFieldGroup ? FormFieldsToFormValues<T['fields']> : never;
/**
 * Input is a FormField, output is a {fieldName: fieldType} or
 * {fieldName?: fieldType}.
 */
type FormFieldToRequiredFormValue<T extends ImageField | ParagraphField | StringField | NumberField, V> = T extends {
    required: true;
} | {
    defaultValue: boolean | number | string;
} ? {
    [_ in T['name']]: V;
} : {
    [_ in T['name']]?: V;
};
export {};
//# sourceMappingURL=form-types.d.ts.map