<template>
	<MkContainer :show-header="widgetProps.showHeader" class="mkw-memo">
		<template #header
			><i class="ph-sticker ph-bold ph-lg"></i
			>{{ i18n.ts._widgets.memo }}</template
		>

		<div class="otgbylcu">
			<textarea
				v-model="text"
				:placeholder="i18n.ts.placeholder"
				@input="onChange"
			></textarea>
			<button
				:disabled="!changed"
				class="_buttonPrimary"
				@click="saveMemo"
			>
				{{ i18n.ts.save }}
			</button>
		</div>
	</MkContainer>
</template>

<script lang="ts" setup>
import { onMounted, onUnmounted, reactive, ref, watch } from "vue";
import type { Widget, WidgetComponentExpose } from "./widget";
import {
	WidgetComponentEmits,
	WidgetComponentProps,
	useWidgetPropsManager,
} from "./widget";
import type { GetFormResultType } from "@/scripts/form";
import * as os from "@/os";
import MkContainer from "@/components/MkContainer.vue";
import { defaultStore } from "@/store";
import { i18n } from "@/i18n";

const name = "memo";

const widgetPropsDef = {
	showHeader: {
		type: "boolean" as const,
		default: true,
	},
};

type WidgetProps = GetFormResultType<typeof widgetPropsDef>;

// Currently, due to a limitation of vue, imported types cannot be passed to generics.
// const props = defineProps<WidgetComponentProps<WidgetProps>>();
// const emit = defineEmits<WidgetComponentEmits<WidgetProps>>();
const props = defineProps<{ widget?: Widget<WidgetProps> }>();
const emit = defineEmits<{ (ev: "updateProps", props: WidgetProps) }>();

const { widgetProps, configure } = useWidgetPropsManager(
	name,
	widgetPropsDef,
	props,
	emit,
);

const text = ref<string | null>(defaultStore.state.memo);
const changed = ref(false);
let timeoutId;

const saveMemo = () => {
	defaultStore.set("memo", text.value);
	changed.value = false;
};

const onChange = () => {
	changed.value = true;
	window.clearTimeout(timeoutId);
	timeoutId = window.setTimeout(saveMemo, 1000);
};

watch(
	() => defaultStore.reactiveState.memo,
	(newText) => {
		text.value = newText.value;
	},
);

defineExpose<WidgetComponentExpose>({
	name,
	configure,
	id: props.widget ? props.widget.id : null,
});
</script>

<style lang="scss" scoped>
.otgbylcu {
	padding-bottom: 28px + 16px;

	> textarea {
		display: block;
		width: 100%;
		max-width: 100%;
		min-width: 100%;
		padding: 16px;
		color: var(--fg);
		background: transparent;
		border: none;
		border-bottom: solid 0.5px var(--divider);
		border-radius: 0;
		box-sizing: border-box;
		font: inherit;
		font-size: 0.9em;

		&:focus-visible {
			outline: none;
		}
	}

	> button {
		display: block;
		position: absolute;
		bottom: 8px;
		right: 8px;
		margin: 0;
		padding: 0 10px;
		height: 28px;
		outline: none;
		border-radius: 4px;

		&:disabled {
			opacity: 0.7;
			cursor: default;
		}
	}
}
</style>
