<template>
	<MkContainer
		:show-header="widgetProps.showHeader"
		:naked="widgetProps.transparent"
		:class="$style.root"
		:data-transparent="widgetProps.transparent ? true : null"
		class="mkw-photos"
	>
		<template #header
			><i class="ph-camera ph-bold ph-lg"></i
			>{{ i18n.ts._widgets.photos }}</template
		>

		<div class="">
			<MkLoading v-if="fetching" />
			<div v-else :class="$style.stream">
				<div
					v-for="(image, i) in images"
					:key="i"
					:class="$style.img"
					:style="`background-image: url(${thumbnail(image)})`"
				></div>
			</div>
		</div>
	</MkContainer>
</template>

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

const name = "photos";

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

type WidgetProps = GetFormResultType<typeof widgetPropsDef>;

// 現時点ではvueの制限によりimportしたtypeをジェネリックに渡せない
//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 connection = stream.useChannel("main");
const images = ref([]);
const fetching = ref(true);

const onDriveFileCreated = (file) => {
	if (/^image\/.+$/.test(file.type)) {
		images.value.unshift(file);
		if (images.value.length > 9) images.value.pop();
	}
};

const thumbnail = (image: any): string => {
	return defaultStore.state.disableShowingAnimatedImages
		? getStaticImageUrl(image.thumbnailUrl)
		: image.thumbnailUrl;
};

os.api("drive/stream", {
	type: "image/*",
	limit: 9,
}).then((res) => {
	images.value = res;
	fetching.value = false;
});

connection.on("driveFileCreated", onDriveFileCreated);
onUnmounted(() => {
	connection.dispose();
});

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

<style lang="scss" module>
.root[data-transparent] {
	.stream {
		padding: 0;
	}

	.img {
		position: relative;
		border: solid 4px transparent;
		border-radius: 8px;
	}
}

.stream {
	display: flex;
	justify-content: center;
	flex-wrap: wrap;
	padding: 8px;

	.img {
		position: relative;
		flex: 1 1 33%;
		width: 33%;
		height: 80px;
		box-sizing: border-box;
		background-position: center center;
		background-size: cover;
		background-clip: content-box;
		border: solid 2px transparent;
		border-radius: 4px;
	}
}
</style>
