feat: apply friend modal

Signed-off-by: Innei <i@innei.in>

src/app/friends/page.tsx

@@ -16,6 +16,7 @@ import { Form, FormInput } from '~/components/ui/form'
 import { Loading } from '~/components/ui/loading'
 import { BottomToUpTransitionView } from '~/components/ui/transition/BottomToUpTransitionView'
 import { shuffle } from '~/lib/_'
+import { toast } from '~/lib/toast'
 import { useAggregationSelector } from '~/providers/root/aggregation-data-provider'
 import { useModalStack } from '~/providers/root/modal-stack-provider'
 import { apiClient } from '~/utils/request'
@@ -285,16 +286,79 @@ const ApplyLinkInfo: FC = () => {
 const FormModal = () => {
   const { dismissTop } = useModalStack()
   const inputs = useRef([
-    { name: 'author', placeholder: '昵称 *', required: true },
-    { name: 'name', placeholder: '站点标题 *', required: true },
-    { name: 'url', placeholder: '网站 * https://', required: true },
-    { name: 'avatar', placeholder: '头像链接 * https://', required: true },
-    { name: 'email', placeholder: '留下你的邮箱哦 *', required: true },
+    {
+      name: 'author',
+      placeholder: '昵称 *',
+      rules: [
+        {
+          validator: (value: string) => !!value,
+          message: '昵称不能为空',
+        },
+        {
+          validator: (value: string) => value.length <= 20,
+          message: '昵称不能超过20个字符',
+        },
+      ],
+    },
+    {
+      name: 'name',
+      placeholder: '站点标题 *',
+      rules: [
+        {
+          validator: (value: string) => !!value,
+          message: '站点标题不能为空',
+        },
+        {
+          validator: (value: string) => value.length <= 20,
+          message: '站点标题不能超过20个字符',
+        },
+      ],
+    },
+    {
+      name: 'url',
+      placeholder: '网站 * https://',
+      rules: [
+        {
+          validator: isHttpsUrl,
+          message: '请输入正确的网站链接 https://',
+        },
+      ],
+    },
+    {
+      name: 'avatar',
+      placeholder: '头像链接 * https://',
+      rules: [
+        {
+          validator: isHttpsUrl,
+          message: '请输入正确的头像链接 https://',
+        },
+      ],
+    },
+    {
+      name: 'email',
+      placeholder: '留下你的邮箱哦 *',
+
+      rules: [
+        {
+          validator: isEmail,
+          message: '请输入正确的邮箱',
+        },
+      ],
+    },
     {
       name: 'description',
       placeholder: '一句话描述一下自己吧 *',
-      maxLength: 50,
-      required: true,
+
+      rules: [
+        {
+          validator: (value: string) => !!value,
+          message: '一句话描述一下自己吧',
+        },
+        {
+          validator: (value: string) => value.length <= 50,
+          message: '一句话描述不要超过50个字啦',
+        },
+      ],
     },
   ]).current
   const [state, setState] = useState({
@@ -314,13 +378,17 @@ const FormModal = () => {
     setValue(e.target.name as keyof typeof state, e.target.value)
   }, [])
 
-  const handleSubmit = useCallback((e: any) => {
-    e.preventDefault()
+  const handleSubmit = useCallback(
+    (e: any) => {
+      e.preventDefault()
 
-    apiClient.link.applyLink({ ...state }).then(() => {
-      dismissTop()
-    })
-  }, [])
+      apiClient.link.applyLink({ ...state }).then(() => {
+        dismissTop()
+        toast.success('好耶！')
+      })
+    },
+    [state],
+  )
   return (
     <Form className="w-[300px] space-y-4 text-center" onSubmit={handleSubmit}>
       {inputs.map((input) => (
@@ -333,9 +401,27 @@ const FormModal = () => {
         />
       ))}
 
-      <StyledButton variant="primary" onClick={handleSubmit}>
+      <StyledButton variant="primary" type="submit">
         好耶！
       </StyledButton>
     </Form>
   )
 }
+
+const isHttpsUrl = (value: string) => {
+  return (
+    /^https?:\/\/.*/.test(value) &&
+    (() => {
+      try {
+        new URL(value)
+        return true
+      } catch {
+        return false
+      }
+    })()
+  )
+}
+
+const isEmail = (value: string) => {
+  return /^.+@.+\..+$/.test(value)
+}

src/components/ui/form/Form.tsx

@@ -1,4 +1,5 @@
-import { useRef } from 'react'
+import { useCallback, useMemo, useRef } from 'react'
+import { produce } from 'immer'
 import { atom } from 'jotai'
 import type {
   DetailedHTMLProps,
@@ -9,20 +10,27 @@ import type { Field } from './types'
 
 import { jotaiStore } from '~/lib/store'
 
-import { FormContext } from './FormContext'
+import { FormConfigContext, FormContext, useForm } from './FormContext'
 
 export const Form = (
   props: PropsWithChildren<
-    DetailedHTMLProps<FormHTMLAttributes<HTMLFormElement>, HTMLFormElement>
+    DetailedHTMLProps<FormHTMLAttributes<HTMLFormElement>, HTMLFormElement> & {
+      showErrorMessage?: boolean
+    }
   >,
 ) => {
+  const { showErrorMessage = true, ...formProps } = props
   const fieldsAtom = useRef(atom({})).current
   return (
     <FormContext.Provider
       value={
         useRef({
+          showErrorMessage,
           fields: fieldsAtom,
-
+          getField: (name: string) => {
+            // @ts-expect-error
+            return jotaiStore.get(fieldsAtom)[name]
+          },
           addField: (name: string, field: Field) => {
             jotaiStore.set(fieldsAtom, (p) => {
               return {
@@ -43,7 +51,11 @@ export const Form = (
         }).current
       }
     >
-      <FormInternal {...props} />
+      <FormConfigContext.Provider
+        value={useMemo(() => ({ showErrorMessage }), [showErrorMessage])}
+      >
+        <FormInternal {...formProps} />
+      </FormConfigContext.Provider>
     </FormContext.Provider>
   )
 }
@@ -54,13 +66,49 @@ const FormInternal = (
   >,
 ) => {
   const { onSubmit, ...rest } = props
+  const fieldsAtom = useForm().fields
+  const handleSubmit = useCallback(
+    async (e: React.FormEvent<HTMLFormElement>) => {
+      e.preventDefault()
+
+      const fields = jotaiStore.get(fieldsAtom)
+      for await (const [key, field] of Object.entries(fields)) {
+        const $ref = field.$ref
+        if (!$ref) continue
+        const value = $ref.value
+        const rules = field.rules
+        for (let i = 0; i < rules.length; i++) {
+          const rule = rules[i]
+          try {
+            const isOk = await rule.validator(value)
+            if (!isOk) {
+              console.error(
+                `Form validation failed, at field \`${key}\`` +
+                  `, got value \`${value}\``,
+              )
+              $ref.focus()
+              if (rule.message) {
+                jotaiStore.set(fieldsAtom, (prev) => {
+                  return produce(prev, (draft) => {
+                    ;(draft[key] as Field).rules[i].status = 'error'
+                  })
+                })
+              }
+              return
+            }
+          } catch (e) {
+            console.error('validate function throw error', e)
+            return
+          }
+        }
+      }
+
+      onSubmit?.(e)
+    },
+    [onSubmit],
+  )
   return (
-    <form
-      onSubmit={(e) => {
-        onSubmit?.(e)
-      }}
-      {...rest}
-    >
+    <form onSubmit={handleSubmit} {...rest}>
       {props.children}
     </form>
   )

src/components/ui/form/FormContext.tsx

@@ -1,15 +1,20 @@
 import { createContext, useContext } from 'react'
-import type { Atom } from 'jotai'
+import { atom } from 'jotai'
 import type { Field } from './types'
 
+const initialFields = atom({} as { [key: string]: Field })
 export const FormContext = createContext<{
-  fields: Atom<{
-    [key: string]: Field
-  }>
+  fields: typeof initialFields
 
   addField: (name: string, field: Field) => void
   removeField: (name: string) => void
+  getField: (name: string) => Field | undefined
+}>(null!)
+
+export const FormConfigContext = createContext<{
+  showErrorMessage?: boolean
 }>(null!)
 export const useForm = () => {
   return useContext(FormContext)
 }
+export const useFormConfig = () => useContext(FormConfigContext)

src/components/ui/form/FormInput.tsx

@@ -1,44 +1,95 @@
-import { memo, useEffect } from 'react'
+import { memo, useCallback, useEffect, useRef } from 'react'
+import { produce } from 'immer'
+import { useAtomValue } from 'jotai'
+import { selectAtom } from 'jotai/utils'
 import type { DetailedHTMLProps, FC, InputHTMLAttributes } from 'react'
 import type { FormFieldBaseProps } from './types'
 
+import { AutoResizeHeight } from '~/components/widgets/shared/AutoResizeHeight'
+import { jotaiStore } from '~/lib/store'
 import { clsxm } from '~/utils/helper'
 
-import { useForm } from './FormContext'
+import { useForm, useFormConfig } from './FormContext'
 
 export const FormInput: FC<
   DetailedHTMLProps<InputHTMLAttributes<HTMLInputElement>, HTMLInputElement> &
     FormFieldBaseProps<string>
-> = memo(({ className, rules, ...rest }) => {
+> = memo(({ className, rules, onKeyDown, ...rest }) => {
   const FormCtx = useForm()
   if (!FormCtx) throw new Error('FormInput must be used inside <FormContext />')
-  const { addField, removeField } = FormCtx
+  const { showErrorMessage } = useFormConfig()
+  const { addField, removeField, fields } = FormCtx
+  const inputRef = useRef<HTMLInputElement>(null)
 
+  const errorMessage = useAtomValue(
+    selectAtom(
+      fields,
+      useCallback(
+        (atomValue) => {
+          if (!rest.name) return
+          return atomValue[rest.name]?.rules.find(
+            (rule) => rule.status === 'error',
+          )?.message
+        },
+        [rest.name],
+      ),
+    ),
+  )
   useEffect(() => {
     const name = rest.name
     if (!rules) return
     if (!name) return
 
     addField(name, {
       rules,
+      $ref: inputRef.current,
     })
 
     return () => {
       removeField(name)
     }
   }, [rest.name, rules])
 
+  const handleKeyDown = useCallback(
+    (e: React.KeyboardEvent<HTMLInputElement>) => {
+      if (onKeyDown) onKeyDown(e)
+      // const currentField =
+      jotaiStore.set(fields, (p) => {
+        return produce(p, (draft) => {
+          if (!rest.name) return
+          draft[rest.name].rules.forEach((rule) => {
+            if (rule.status === 'error') rule.status = 'success'
+          })
+        })
+      })
+    },
+    [fields, onKeyDown, rest.name],
+  )
+
   return (
-    <input
-      className={clsxm(
-        'relative h-12 w-full rounded-lg bg-gray-200/50 px-3 dark:bg-zinc-800/50',
-        'ring-accent/80 duration-200 focus:ring-2',
-        'appearance-none',
-        className,
+    <>
+      <input
+        ref={inputRef}
+        className={clsxm(
+          'relative h-12 w-full rounded-lg bg-gray-200/50 px-3 dark:bg-zinc-800/50',
+          'ring-accent/80 duration-200 focus:ring-2',
+          'appearance-none',
+          !!errorMessage && 'ring-2 ring-red-400 dark:ring-orange-700',
+          className,
+        )}
+        type="text"
+        onKeyDown={handleKeyDown}
+        {...rest}
+      />
+
+      {showErrorMessage && (
+        <AutoResizeHeight duration={0.2}>
+          <p className="text-left text-sm text-red-400 dark:text-orange-700">
+            {errorMessage}
+          </p>
+        </AutoResizeHeight>
       )}
-      type="text"
-      {...rest}
-    />
+    </>
   )
 })