From fd14f8a6c1d3366e9152a6c64ac94987b7e64a03 Mon Sep 17 00:00:00 2001
From: Rynare <rynare.of.legend@gmail.com>
Date: Sat, 26 Apr 2025 00:26:10 +0700
Subject: [PATCH] update tampilan landing page, add new modal, update table,
 new library for dependecies, update style tailwind, add type safe for ts,
 update nuxt config.

---
 app.vue                                       |   1 +
 assets/css/main.tw.css                        |  37 ++++++
 .../landing/demo/modalMakePrediction.vue      |  67 ++++++++++
 components/landing/header.vue                 |   2 +-
 components/landing/introduction/hero-sct.vue  |   6 +-
 components/my/date-picker.vue                 |  78 ++++++++++++
 components/my/form/input-with-type.vue        |  50 ++++++++
 components/my/input-currency.vue              |   3 +
 components/my/input-number.vue                |  25 ++++
 components/my/modal/update-prediction-row.vue |   4 +
 composables/usePredictionTable.ts             |  38 ++++++
 composables/useSpreadsheet.ts                 |  45 +++++++
 nuxt.config.ts                                |   9 +-
 package-lock.json                             | 114 ++++++++++++++++++
 package.json                                  |   4 +
 pages/demo.vue                                |  88 +++++++++++++-
 .../landing-page/demo/modalMakePrediction.ts  |  13 ++
 utils/spreadsheet/sheetsToJSON.ts             |  13 ++
 18 files changed, 588 insertions(+), 9 deletions(-)
 create mode 100644 assets/css/main.tw.css
 create mode 100644 components/landing/demo/modalMakePrediction.vue
 create mode 100644 components/my/date-picker.vue
 create mode 100644 components/my/form/input-with-type.vue
 create mode 100644 components/my/input-currency.vue
 create mode 100644 components/my/input-number.vue
 create mode 100644 components/my/modal/update-prediction-row.vue
 create mode 100644 composables/usePredictionTable.ts
 create mode 100644 composables/useSpreadsheet.ts
 create mode 100644 types/landing-page/demo/modalMakePrediction.ts
 create mode 100644 utils/spreadsheet/sheetsToJSON.ts

diff --git a/app.vue b/app.vue
index 8f62b8b..9343435 100644
--- a/app.vue
+++ b/app.vue
@@ -1,3 +1,4 @@
 <template>
   <NuxtPage />
+  <NuxtUiNotifications />
 </template>
diff --git a/assets/css/main.tw.css b/assets/css/main.tw.css
new file mode 100644
index 0000000..40c6c9e
--- /dev/null
+++ b/assets/css/main.tw.css
@@ -0,0 +1,37 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+/* assets/css/main.css */
+.nuxtui-btn {
+  @apply
+    focus:outline-none
+    disabled:cursor-not-allowed
+    disabled:opacity-75
+    aria-disabled:cursor-not-allowed
+    aria-disabled:opacity-75
+    flex-shrink-0
+    font-medium
+    rounded-md
+    text-sm
+    gap-x-1.5
+    px-2.5
+    py-1.5
+    shadow-sm
+    text-white
+    dark:text-gray-900
+    bg-blue-500
+    hover:bg-blue-600
+    disabled:bg-blue-500
+    aria-disabled:bg-blue-500
+    dark:bg-blue-400
+    dark:hover:bg-blue-500
+    dark:disabled:bg-blue-400
+    dark:aria-disabled:bg-blue-400
+    focus-visible:outline
+    focus-visible:outline-2
+    focus-visible:outline-offset-2
+    focus-visible:outline-blue-500
+    dark:focus-visible:outline-blue-400
+    inline-flex
+    items-center;
+}
diff --git a/components/landing/demo/modalMakePrediction.vue b/components/landing/demo/modalMakePrediction.vue
new file mode 100644
index 0000000..909f82c
--- /dev/null
+++ b/components/landing/demo/modalMakePrediction.vue
@@ -0,0 +1,67 @@
+<template>
+    <div>
+        <NuxtUiButton @click="modalShown = true" color="blue" label="Analyze" />
+        <NuxtUiModal v-model="modalShown">
+            <NuxtUiCard>
+                <div class="space-y-2 mb-4">
+                    <h2 class="text-lg font-bold text-center">
+                        Prediction Setup
+                    </h2>
+                    <NuxtUiAlert variant="soft" color="orange"
+                        description="Please fill form honestly for better prediction." />
+                    <NuxtUiDivider label="Form" />
+                    <NuxtUiFormGroup label="Record type">
+                        <NuxtUiSelectMenu v-model="model.recordPeriod" :options="recordOptions"
+                            placeholder="Select period" />
+                    </NuxtUiFormGroup>
+                    <NuxtUiFormGroup label="Product">
+                        <NuxtUiSelectMenu v-model="model.selectedProduct" :options="props.products"
+                            placeholder="Select product to predict" />
+                    </NuxtUiFormGroup>
+                    <NuxtUiFormGroup label="Prediction type">
+                        <NuxtUiSelectMenu v-model="model.predictionPeriod" :options="predictionOptions"
+                            placeholder="Select prediction period" />
+                    </NuxtUiFormGroup>
+                </div>
+                <div class="flex justify-end gap-2">
+                    <NuxtUiButton label="Cancel" color="red" @click="modalShown = false" />
+                    <NuxtUiButton @click="() => {
+                        emit('prepared')
+                        modalShown = false
+                    }">Analyze Now!</NuxtUiButton>
+                </div>
+            </NuxtUiCard>
+        </NuxtUiModal>
+    </div>
+</template>
+<script lang="ts" setup>
+import type { TDurationType, TModalMakePredictionModel, TModalMakePredictionProps } from '~/types/landing-page/demo/modalMakePrediction';
+
+const modalShown = ref<boolean>(false)
+const model = defineModel<TModalMakePredictionModel>({
+    default: {
+        recordPeriod: undefined,
+        selectedProduct: undefined,
+        predictionPeriod: undefined,
+    },
+    required: true
+})
+
+watch(() => model.value.recordPeriod, () => {
+    model.value.predictionPeriod = undefined
+})
+
+const props = withDefaults(defineProps<TModalMakePredictionProps>(), {
+    products: undefined
+})
+
+const emit = defineEmits(['prepared'])
+
+const recordOptions: TDurationType[] = ['daily', 'weekly', 'monthly']
+const predictionOptions = computed(() => {
+    return filterPeriods(recordOptions, model.value.recordPeriod).filter(v => v !== 'daily')
+})
+function filterPeriods(periods: TDurationType[], current?: TDurationType) {
+    return periods.filter(p => periods.indexOf(p) >= periods.indexOf(current || 'daily'));
+}
+</script>
\ No newline at end of file
diff --git a/components/landing/header.vue b/components/landing/header.vue
index ae3a1c7..c440504 100644
--- a/components/landing/header.vue
+++ b/components/landing/header.vue
@@ -75,7 +75,7 @@
                 </nav>
             </div>
             <NuxtUiModal v-model="authModalIsOpen" prevent-close :ui="{
-                width: 'w-full max-w-[400px]',
+                width: 'w-full max-w-screen-mobile sm:max-w-screen-mobile',
             }">
                 <Auth @vue:mounted="authSection = 'login'">
                     <div class="flex justify-end">
diff --git a/components/landing/introduction/hero-sct.vue b/components/landing/introduction/hero-sct.vue
index a91dbe3..95974a2 100644
--- a/components/landing/introduction/hero-sct.vue
+++ b/components/landing/introduction/hero-sct.vue
@@ -1,6 +1,6 @@
 <template>
-    <section class="mt-20 pb-20 md:mt-32 md:pb-32 mx-auto min-h-screen flex gap-3 flex-col sm:flex-row">
-        <div class="flex flex-col justify-center space-y-6 sm:w-[60%] py-10">
+    <section class="mx-auto md:min-h-screen flex gap-3 flex-col md:flex-row md:py-10">
+        <div class="flex flex-col justify-center space-y-6 md:w-[60%] py-10 tablet:py-20">
             <div class="space-y-2">
                 <h1 class="text-4xl font-bold tracking-tighter sm:text-5xl md:text-6xl">
                     Predict the Future with ARIMA
@@ -22,7 +22,7 @@
                 </NuxtUiButton>
             </div>
         </div>
-        <Placeholder class="aspect-video flex-grow bg-gray-500" />
+        <NuxtImg src="https://placehold.co/600x400/png" format="webp" class="grow" />
     </section>
 </template>
 <style>
diff --git a/components/my/date-picker.vue b/components/my/date-picker.vue
new file mode 100644
index 0000000..20e037e
--- /dev/null
+++ b/components/my/date-picker.vue
@@ -0,0 +1,78 @@
+<script setup lang="ts">
+import { DatePicker as VCalendarDatePicker } from 'v-calendar'
+// @ts-ignore
+import type { DatePickerDate, DatePickerRangeObject } from 'v-calendar/dist/types/src/use/datePicker'
+import 'v-calendar/dist/style.css'
+
+defineOptions({
+    inheritAttrs: false
+})
+
+const props = defineProps({
+    modelValue: {
+        type: [Date, Object] as PropType<DatePickerDate | DatePickerRangeObject | null>,
+        default: null
+    },
+    calendarColumn: {
+        type: Number,
+        default: 2
+    }
+})
+
+const emit = defineEmits(['update:model-value', 'close'])
+
+const date = computed({
+    get: () => props.modelValue,
+    set: (value) => {
+        emit('update:model-value', value)
+        emit('close')
+    }
+})
+
+const attrs = {
+    'transparent': true,
+    'borderless': true,
+    'color': 'primary',
+    'is-dark': { selector: 'html', darkClass: 'dark' },
+    'first-day-of-week': 2
+}
+
+function onDayClick(_: any, event: MouseEvent): void {
+    const target = event.target as HTMLElement
+    target.blur()
+}
+</script>
+
+<template>
+    <VCalendarDatePicker v-if="date && (date as DatePickerRangeObject)?.start && (date as DatePickerRangeObject)?.end"
+        v-model.range="date" :columns="props.calendarColumn" v-bind="{ ...attrs, ...$attrs }" @dayclick="onDayClick" />
+    <VCalendarDatePicker v-else v-model="date" v-bind="{ ...attrs, ...$attrs }" @dayclick="onDayClick" />
+</template>
+
+<style>
+:root {
+    --vc-gray-50: rgb(var(--color-gray-50));
+    --vc-gray-100: rgb(var(--color-gray-100));
+    --vc-gray-200: rgb(var(--color-gray-200));
+    --vc-gray-300: rgb(var(--color-gray-300));
+    --vc-gray-400: rgb(var(--color-gray-400));
+    --vc-gray-500: rgb(var(--color-gray-500));
+    --vc-gray-600: rgb(var(--color-gray-600));
+    --vc-gray-700: rgb(var(--color-gray-700));
+    --vc-gray-800: rgb(var(--color-gray-800));
+    --vc-gray-900: rgb(var(--color-gray-900));
+}
+
+.vc-primary {
+    --vc-accent-50: rgb(var(--color-primary-50));
+    --vc-accent-100: rgb(var(--color-primary-100));
+    --vc-accent-200: rgb(var(--color-primary-200));
+    --vc-accent-300: rgb(var(--color-primary-300));
+    --vc-accent-400: rgb(var(--color-primary-400));
+    --vc-accent-500: rgb(var(--color-primary-500));
+    --vc-accent-600: rgb(var(--color-primary-600));
+    --vc-accent-700: rgb(var(--color-primary-700));
+    --vc-accent-800: rgb(var(--color-primary-800));
+    --vc-accent-900: rgb(var(--color-primary-900));
+}
+</style>
\ No newline at end of file
diff --git a/components/my/form/input-with-type.vue b/components/my/form/input-with-type.vue
new file mode 100644
index 0000000..dc647dc
--- /dev/null
+++ b/components/my/form/input-with-type.vue
@@ -0,0 +1,50 @@
+<template>
+    <div class="flex">
+        <NuxtUiFormGroup label="Type">
+            <NuxtUiSelectMenu v-model="valueFormat" :options="valueFormatOptions" placeholder="Select input type"
+                option-attribute="label" value-attribute="value" />
+        </NuxtUiFormGroup>
+        <NuxtUiFormGroup class="grow" label="Value" v-if="valueFormat === 'text'">
+            <NuxtUiInput />
+        </NuxtUiFormGroup>
+        <NuxtUiFormGroup class="grow" label="Value" v-else-if="valueFormat === 'number'">
+            <MyInputNumber />
+        </NuxtUiFormGroup>
+        <div v-else-if="valueFormat === 'date'">
+            <NuxtUiFormGroup class="grow" label="Value">
+                <MyInputNumber />
+            </NuxtUiFormGroup>
+            <NuxtUiFormGroup class="grow" label="Format">
+                <MyInputNumber />
+            </NuxtUiFormGroup>
+        </div>
+    </div>
+</template>
+<script lang="ts" setup>
+type TValueFormat = 'date' | 'text' | 'number' | undefined
+type TValueFormatOptions = {
+    value: TValueFormat,
+    label: string,
+}
+
+const props = defineProps<{
+    name: string
+}>()
+
+const valueFormat = ref<TValueFormat>('text')
+const valueFormatOptions: TValueFormatOptions[] = [
+    { value: 'date', label: 'Date' },
+    { value: 'text', label: 'Text' },
+    { value: 'number', label: 'Number' },
+]
+
+onMounted(() => {
+    if (props.name.includes('date')) {
+        valueFormat.value = 'date'
+    } else if (Number(props.name || NaN) >= 0) {
+        valueFormat.value = 'number'
+    } else {
+        valueFormat.value = 'text'
+    }
+});
+</script>
\ No newline at end of file
diff --git a/components/my/input-currency.vue b/components/my/input-currency.vue
new file mode 100644
index 0000000..8b3c051
--- /dev/null
+++ b/components/my/input-currency.vue
@@ -0,0 +1,3 @@
+<template>
+    <NuxtUiInput />
+</template>
\ No newline at end of file
diff --git a/components/my/input-number.vue b/components/my/input-number.vue
new file mode 100644
index 0000000..f15a7fe
--- /dev/null
+++ b/components/my/input-number.vue
@@ -0,0 +1,25 @@
+<template>
+    <input type="text" v-model="model" ref="inputDOM" />
+</template>
+
+<script setup lang="ts">
+const model = defineModel<string>()
+const inputDOM = ref<HTMLInputElement | null>(null)
+
+watch(model, (val, _, onCleanup) => {
+    if (!inputDOM.value)
+        return
+    const start = inputDOM.value.selectionStart
+    const end = (Number(inputDOM.value.selectionEnd) || 1) - 1
+
+    const filtered = val?.replace(/[0-9a-b]/g, '')
+    if (val !== filtered) {
+        model.value = filtered
+
+        nextTick(() => {
+            inputDOM.value?.setSelectionRange(start, end)
+        })
+    }
+})
+
+</script>
diff --git a/components/my/modal/update-prediction-row.vue b/components/my/modal/update-prediction-row.vue
new file mode 100644
index 0000000..1f35e87
--- /dev/null
+++ b/components/my/modal/update-prediction-row.vue
@@ -0,0 +1,4 @@
+<template>
+    <div>
+    </div>
+</template>
\ No newline at end of file
diff --git a/composables/usePredictionTable.ts b/composables/usePredictionTable.ts
new file mode 100644
index 0000000..8b24a7a
--- /dev/null
+++ b/composables/usePredictionTable.ts
@@ -0,0 +1,38 @@
+import type { TableColumn } from '#ui/types'
+export function usePredictionTableColumn() {
+    const requiredColumn = ['date', 'product code', 'product name', 'sold(qty)']
+    const columnKeys = ref<string[]>([])
+    const columns: ComputedRef<TableColumn[]> = computed(() => {
+        if (columnKeys.value.length >= 1) {
+            return [{
+                key: 'actions',
+                sortable: true,
+                label: 'Actions'
+            }, ...columnKeys.value.map(v => ({
+                key: v,
+                sortable: true,
+                label: v
+            }) as TableColumn)]
+        } else {
+            return [{
+                key: 'actions',
+                sortable: true,
+                label: 'Actions'
+            }, ...requiredColumn.map(v => ({
+                key: v,
+                sortable: true,
+                label: v,
+            }))]
+        }
+    })
+    const missingColumn = computed(() => {
+        const currentColumn = columns.value.map(v => v.key)
+        return requiredColumn.filter(v => !currentColumn.includes(v))
+    })
+
+    return {
+        columnKeys,
+        columns,
+        missingColumn
+    }
+}
\ No newline at end of file
diff --git a/composables/useSpreadsheet.ts b/composables/useSpreadsheet.ts
new file mode 100644
index 0000000..5a43b49
--- /dev/null
+++ b/composables/useSpreadsheet.ts
@@ -0,0 +1,45 @@
+import { sheetToJSON } from "~/utils/spreadsheet/sheetsToJSON"
+
+export function useFileToJSON() {
+    const toast = useToast()
+    const file = ref<File | null>(null)
+    const status = ref<'idle' | 'loading' | 'error' | 'success'>('idle')
+    const result = ref<Record<string, any>[]>([])
+    const error = ref<Error | null>(null)
+    watch(file, async (newVal) => {
+        if (!newVal)
+            return
+        status.value = 'loading'
+        error.value = null
+        try {
+            const json = await sheetToJSON(newVal);
+            if (json) {
+                result.value = json as Record<string, any>[]
+            }
+        } catch (e: unknown) {
+            status.value = 'error'
+            if (e instanceof Error) {
+                error.value = e
+            }
+            toast.add({
+                title: 'Error',
+                icon: 'i-heroicons-x-circle',
+                color: 'red',
+                description: error.value?.message
+            })
+        } finally {
+            if (status.value !== 'error') {
+                status.value = 'success'
+                toast.add({
+                    title: 'Success',
+                    icon: 'i-heroicons-document-check',
+                    color: 'green',
+                    description: 'File Imported Successfully.'
+                })
+            }
+        }
+    })
+    return {
+        file, status, result, error
+    }
+}
\ No newline at end of file
diff --git a/nuxt.config.ts b/nuxt.config.ts
index a2a0147..70ceaaa 100644
--- a/nuxt.config.ts
+++ b/nuxt.config.ts
@@ -12,7 +12,7 @@ export default defineNuxtConfig({
   },
   compatibilityDate: '2024-11-01',
   devtools: { enabled: true },
-  modules: ['@nuxt/image', '@nuxt/ui', 'shadcn-nuxt'],
+  modules: ['@nuxt/image', '@nuxt/ui', 'shadcn-nuxt', 'dayjs-nuxt'],
   ui: {
     prefix: 'NuxtUi'
   },
@@ -30,5 +30,8 @@ export default defineNuxtConfig({
   image: {
     format: ['webp'],
     quality: 80,
-  }
-})
\ No newline at end of file
+  },
+  css: [
+    '@/assets/css/main.tw.css'
+  ]
+})
diff --git a/package-lock.json b/package-lock.json
index fc28c3f..028b9b0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,14 +12,18 @@
         "@vueuse/core": "^13.0.0",
         "class-variance-authority": "^0.7.1",
         "clsx": "^2.1.1",
+        "date-fns": "^2.30.0",
+        "dayjs-nuxt": "^2.1.11",
         "lucide-vue-next": "^0.485.0",
         "nuxt": "^3.16.1",
         "reka-ui": "^2.2.0",
         "shadcn-nuxt": "^1.0.3",
         "tailwind-merge": "^3.0.2",
         "tailwindcss-animate": "^1.0.7",
+        "v-calendar": "^3.1.2",
         "vue": "^3.5.13",
         "vue-router": "^4.5.0",
+        "xlsx": "https://cdn.sheetjs.com/xlsx-0.20.3/xlsx-0.20.3.tgz",
         "zod": "^3.24.2"
       }
     },
@@ -422,6 +426,18 @@
         "@babel/core": "^7.0.0-0"
       }
     },
+    "node_modules/@babel/runtime": {
+      "version": "7.27.0",
+      "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.27.0.tgz",
+      "integrity": "sha512-VtPOkrdPHZsKc/clNqyi9WUA8TINkZ4cGk63UUE3u4pmB2k+ZMQRDuIOagv8UVd6j7k0T3+RRIb7beKTebNbcw==",
+      "license": "MIT",
+      "dependencies": {
+        "regenerator-runtime": "^0.14.0"
+      },
+      "engines": {
+        "node": ">=6.9.0"
+      }
+    },
     "node_modules/@babel/template": {
       "version": "7.27.0",
       "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.27.0.tgz",
@@ -2953,12 +2969,24 @@
       "integrity": "sha512-w28IoSUCJpidD/TGviZwwMJckNESJZXFu7NBZ5YJ4mEUnNraUn9Pm8HSZm/jDF1pDWYKspWE7oVphigUPRakIQ==",
       "license": "MIT"
     },
+    "node_modules/@types/lodash": {
+      "version": "4.17.16",
+      "resolved": "https://registry.npmjs.org/@types/lodash/-/lodash-4.17.16.tgz",
+      "integrity": "sha512-HX7Em5NYQAXKW+1T+FiuG27NGwzJfCX3s1GjOa7ujxZa52kjJLOr4FUxT+giF6Tgxv1e+/czV/iTtBw27WTU9g==",
+      "license": "MIT"
+    },
     "node_modules/@types/parse-path": {
       "version": "7.0.3",
       "resolved": "https://registry.npmjs.org/@types/parse-path/-/parse-path-7.0.3.tgz",
       "integrity": "sha512-LriObC2+KYZD3FzCrgWGv/qufdUy4eXrxcLgQMfYXgPbLIecKIsVBaQgUPmxSSLcjmYbDTQbMgr6qr6l/eb7Bg==",
       "license": "MIT"
     },
+    "node_modules/@types/resize-observer-browser": {
+      "version": "0.1.11",
+      "resolved": "https://registry.npmjs.org/@types/resize-observer-browser/-/resize-observer-browser-0.1.11.tgz",
+      "integrity": "sha512-cNw5iH8JkMkb3QkCoe7DaZiawbDQEUX8t7iuQaRTyLOyQCR2h+ibBD4GJt7p5yhUHrlOeL7ZtbxNHeipqNsBzQ==",
+      "license": "MIT"
+    },
     "node_modules/@types/resolve": {
       "version": "1.20.2",
       "resolved": "https://registry.npmjs.org/@types/resolve/-/resolve-1.20.2.tgz",
@@ -4826,6 +4854,47 @@
       "integrity": "sha512-M1uQkMl8rQK/szD0LNhtqxIPLpimGm8sOBwU7lLnCpSbTyY3yeU1Vc7l4KT5zT4s/yOxHH5O7tIuuLOCnLADRw==",
       "license": "MIT"
     },
+    "node_modules/date-fns": {
+      "version": "2.30.0",
+      "resolved": "https://registry.npmjs.org/date-fns/-/date-fns-2.30.0.tgz",
+      "integrity": "sha512-fnULvOpxnC5/Vg3NCiWelDsLiUc9bRwAPs/+LfTLNvetFCtCTN+yQz15C/fs4AwX1R9K5GLtLfn8QW+dWisaAw==",
+      "license": "MIT",
+      "dependencies": {
+        "@babel/runtime": "^7.21.0"
+      },
+      "engines": {
+        "node": ">=0.11"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/date-fns"
+      }
+    },
+    "node_modules/date-fns-tz": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/date-fns-tz/-/date-fns-tz-2.0.1.tgz",
+      "integrity": "sha512-fJCG3Pwx8HUoLhkepdsP7Z5RsucUi+ZBOxyM5d0ZZ6c4SdYustq0VMmOu6Wf7bli+yS/Jwp91TOCqn9jMcVrUA==",
+      "license": "MIT",
+      "peerDependencies": {
+        "date-fns": "2.x"
+      }
+    },
+    "node_modules/dayjs": {
+      "version": "1.11.13",
+      "resolved": "https://registry.npmjs.org/dayjs/-/dayjs-1.11.13.tgz",
+      "integrity": "sha512-oaMBel6gjolK862uaPQOVTA7q3TZhuSvuMQAAglQDOWYO9A91IrAOUJEyKVlqJlHE0vq5p5UXxzdPfMH/x6xNg==",
+      "license": "MIT"
+    },
+    "node_modules/dayjs-nuxt": {
+      "version": "2.1.11",
+      "resolved": "https://registry.npmjs.org/dayjs-nuxt/-/dayjs-nuxt-2.1.11.tgz",
+      "integrity": "sha512-KDDNiET7KAKf6yzL3RaPWq5aV7ql9QTt5fIDYv+4eOegDmnEQGjwkKYADDystsKtPjt7QZerpVbhC96o3BIyqQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@nuxt/kit": "^3.7.4",
+        "dayjs": "^1.11.10"
+      }
+    },
     "node_modules/db0": {
       "version": "0.3.1",
       "resolved": "https://registry.npmjs.org/db0/-/db0-0.3.1.tgz",
@@ -8904,6 +8973,12 @@
         "node": ">=4"
       }
     },
+    "node_modules/regenerator-runtime": {
+      "version": "0.14.1",
+      "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.14.1.tgz",
+      "integrity": "sha512-dYnhHh0nJoMfnkZs6GmmhFknAGRrLznOu5nc9ML+EJxGvrx6H7teuevqVqCuPcPK//3eDrrjQhehXVx9cnkGdw==",
+      "license": "MIT"
+    },
     "node_modules/reka-ui": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/reka-ui/-/reka-ui-2.2.0.tgz",
@@ -10852,6 +10927,24 @@
       "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==",
       "license": "MIT"
     },
+    "node_modules/v-calendar": {
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/v-calendar/-/v-calendar-3.1.2.tgz",
+      "integrity": "sha512-QDWrnp4PWCpzUblctgo4T558PrHgHzDtQnTeUNzKxfNf29FkCeFpwGd9bKjAqktaa2aJLcyRl45T5ln1ku34kg==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/lodash": "^4.14.165",
+        "@types/resize-observer-browser": "^0.1.7",
+        "date-fns": "^2.16.1",
+        "date-fns-tz": "^2.0.0",
+        "lodash": "^4.17.20",
+        "vue-screen-utils": "^1.0.0-beta.13"
+      },
+      "peerDependencies": {
+        "@popperjs/core": "^2.0.0",
+        "vue": "^3.2.0"
+      }
+    },
     "node_modules/vary": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
@@ -11221,6 +11314,15 @@
         "vue": "^3.2.0"
       }
     },
+    "node_modules/vue-screen-utils": {
+      "version": "1.0.0-beta.13",
+      "resolved": "https://registry.npmjs.org/vue-screen-utils/-/vue-screen-utils-1.0.0-beta.13.tgz",
+      "integrity": "sha512-EJ/8TANKhFj+LefDuOvZykwMr3rrLFPLNb++lNBqPOpVigT2ActRg6icH9RFQVm4nHwlHIHSGm5OY/Clar9yIg==",
+      "license": "MIT",
+      "peerDependencies": {
+        "vue": "^3.2.0"
+      }
+    },
     "node_modules/webidl-conversions": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
@@ -11376,6 +11478,18 @@
         }
       }
     },
+    "node_modules/xlsx": {
+      "version": "0.20.3",
+      "resolved": "https://cdn.sheetjs.com/xlsx-0.20.3/xlsx-0.20.3.tgz",
+      "integrity": "sha512-oLDq3jw7AcLqKWH2AhCpVTZl8mf6X2YReP+Neh0SJUzV/BdZYjth94tG5toiMB1PPrYtxOCfaoUCkvtuH+3AJA==",
+      "license": "Apache-2.0",
+      "bin": {
+        "xlsx": "bin/xlsx.njs"
+      },
+      "engines": {
+        "node": ">=0.8"
+      }
+    },
     "node_modules/xss": {
       "version": "1.0.15",
       "resolved": "https://registry.npmjs.org/xss/-/xss-1.0.15.tgz",
diff --git a/package.json b/package.json
index af5f9eb..a7e0b0c 100644
--- a/package.json
+++ b/package.json
@@ -15,14 +15,18 @@
     "@vueuse/core": "^13.0.0",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
+    "date-fns": "^2.30.0",
+    "dayjs-nuxt": "^2.1.11",
     "lucide-vue-next": "^0.485.0",
     "nuxt": "^3.16.1",
     "reka-ui": "^2.2.0",
     "shadcn-nuxt": "^1.0.3",
     "tailwind-merge": "^3.0.2",
     "tailwindcss-animate": "^1.0.7",
+    "v-calendar": "^3.1.2",
     "vue": "^3.5.13",
     "vue-router": "^4.5.0",
+    "xlsx": "https://cdn.sheetjs.com/xlsx-0.20.3/xlsx-0.20.3.tgz",
     "zod": "^3.24.2"
   }
 }
diff --git a/pages/demo.vue b/pages/demo.vue
index 4a91088..4bbf4e4 100644
--- a/pages/demo.vue
+++ b/pages/demo.vue
@@ -1,7 +1,91 @@
 <template>
     <NuxtLayout name="landing-page">
-        <div>
-            demo page
+        <div @dragenter.prevent @dragover.prevent @drop="e => {
+            if (convertStatus !== 'loading') {
+                handleDragFile(e)
+            }
+        }">
+            <NuxtUiCard>
+                <template #header>
+                    <div class="mb-3 flex gap-2">
+                        <div>
+                            <label for="convert-file-input" class="nuxtui-btn">
+                                Import
+                            </label>
+                            <input id="convert-file-input" type="file" hidden @input="handleFileInput" />
+                        </div>
+                        <LandingDemoModalMakePrediction v-model="modalMakePredictionModel" :products />
+                    </div>
+                    <div class="warning space-y-2">
+                        <NuxtUiAlert v-for="(item, index) in missingColumn" :key="index"
+                            icon="i-heroicons-exclamation-circle" color="orange" variant="subtle"
+                            :description="`Column '${item}' is missing.`">
+                        </NuxtUiAlert>
+                    </div>
+                </template>
+                <template #default>
+                    <NuxtUiTable :columns :loading="convertStatus === 'loading'" :rows="rowsData">
+                        <template #actions-data="{ row }">
+                            <NuxtUiButton icon="i-heroicons-ellipsis-vertical-solid" color="blue"
+                                @click="console.log(row)" />
+                        </template>
+                    </NuxtUiTable>
+                </template>
+                <template #footer>
+
+                </template>
+            </NuxtUiCard>
+            {{ rowsData }}
+            <MyInputNumber v-model="a" />
         </div>
     </NuxtLayout>
 </template>
+<script lang="ts" setup>
+import type { TModalMakePredictionModel, TProduct } from '~/types/landing-page/demo/modalMakePrediction'
+
+const a = ref()
+
+const { file, result: convertResult, status: convertStatus } = useFileToJSON()
+const { columnKeys, columns, missingColumn } = usePredictionTableColumn()
+const rowsData = ref(convertResult.value)
+const products = ref<TProduct[]>([])
+watch(convertResult, newVal => {
+    try {
+        columnKeys.value = Object.keys(newVal[0])
+        rowsData.value = newVal
+        products.value = []
+        const { product_code, product_name } = newVal[0]
+        const hasRequiredKeys = !!product_code && !!product_name
+        newVal.forEach(v => {
+            if (hasRequiredKeys)
+                products.value.push({
+                    product_code: v.product_code,
+                    product_name: v.product_name
+                })
+        })
+    } catch (error) {
+        columnKeys.value = []
+    }
+})
+const modalMakePredictionModel = reactive<TModalMakePredictionModel>({
+    predictionPeriod: undefined,
+    recordPeriod: undefined,
+    selectedProduct: undefined
+})
+
+function handleDragFile(e: DragEvent) {
+    e.preventDefault();
+    const files = e.dataTransfer?.files;
+    if (files && files.length > 0) {
+        file.value = files[0]
+    }
+}
+
+function handleFileInput(e: Event) {
+    const target = e.target as HTMLInputElement
+    if (target?.files && target.files.length > 0) {
+        const uploaded = target.files[0];
+        file.value = uploaded;
+    }
+}
+</script>
diff --git a/types/landing-page/demo/modalMakePrediction.ts b/types/landing-page/demo/modalMakePrediction.ts
new file mode 100644
index 0000000..6710c44
--- /dev/null
+++ b/types/landing-page/demo/modalMakePrediction.ts
@@ -0,0 +1,13 @@
+export type TDurationType = 'daily' | 'weekly' | 'monthly'
+export type TModalMakePredictionModel = {
+    recordPeriod?: TDurationType,
+    selectedProduct?: string,
+    predictionPeriod?: TDurationType,
+}
+export type TProduct = {
+    product_code: string,
+    product_name: string
+}
+export type TModalMakePredictionProps = {
+    products?: TProduct[]
+}
\ No newline at end of file
diff --git a/utils/spreadsheet/sheetsToJSON.ts b/utils/spreadsheet/sheetsToJSON.ts
new file mode 100644
index 0000000..fa658f2
--- /dev/null
+++ b/utils/spreadsheet/sheetsToJSON.ts
@@ -0,0 +1,13 @@
+import * as XLSX from 'xlsx';
+
+export async function sheetToJSON(file: File) {
+    try {
+        const fileBuffer = await file.arrayBuffer();
+        const workbook = XLSX.read(fileBuffer);
+        const sheet = workbook.Sheets[workbook.SheetNames[0]]
+        const json = XLSX.utils.sheet_to_json(sheet)
+        return json
+    } catch (error: unknown) {
+        throw error
+    }
+}
\ No newline at end of file