<template>
	<div class="map-wrapper">
		<div id="map-container"></div>
		<div class="search-box">
			<el-autocomplete
				v-model="keyword"
				:fetch-suggestions="handleSearch"
				:trigger-on-focus="false"
				clearable
				placeholder="填写城市+关键字搜索"
				@select="handleSelect"
				class="width400"
			/>
			<el-input v-model="location.longitude" placeholder="点击地图选择经度" maxlength="15" readonly class="width150" style="margin: 0 5px"></el-input>
			<el-input v-model="location.latitude" placeholder="点击地图选择纬度" maxlength="15" readonly class="width400"></el-input>
		</div>
	</div>
</template>

<script setup>
import AMapLoader from '@amap/amap-jsapi-loader';
import { computed, onMounted, ref, shallowRef, watch } from 'vue';
import { storeToRefs } from 'pinia';
import { useThemeConfig } from '@/stores/themeConfig';
import { getCurrentCityConfig } from '@/utils/appConfig';

const storesThemeConfig = useThemeConfig();
const { themeConfig } = storeToRefs(storesThemeConfig);

// 获取布局配置信息
const getThemeConfig = computed(() => {
	return themeConfig.value;
});
window._AMapSecurityConfig = {
	securityJsCode: import.meta.env.VITE_AMAP_SECURITYJSCODE,
};
const props = defineProps({
	modelValue: {
		type: Object,
		default() {
			return {};
		},
	},
});
const emit = defineEmits(['update:modelValue']);
const map = shallowRef(null);
// 地点
// const location = computed({
//   get() {
//     return props.modelValue;
//   },
//   set(val) {
//     emit('update:modelValue', val);
//   },
// });
const location = ref(props.modelValue);
watch(location, (val) => {
	if (val.longitude && val.latitude) {
		drawMarker();
	}
});
const keyword = ref('');
let placeSearch, AMapObj, marker, geocoder;
const { cityAbbr, locationCenter } = getCurrentCityConfig();
const initMap = () => {
	AMapLoader.load({
		key: import.meta.env.VITE_AMAP_KEY, // 申请好的Web端Key，首次调用 load 时必填
		version: '2.0',
	}).then((AMap) => {
		AMapObj = AMap;
		map.value = new AMap.Map('map-container', {
			center: locationCenter,
		});
		// 添加点击事件
		map.value.on('click', onMapClick);

		if (location.value.longitude) {
			drawMarker();
		}
		AMap.plugin(['AMap.ToolBar', 'AMap.Scale', 'AMap.Geolocation', 'AMap.PlaceSearch', 'AMap.Geocoder'], () => {
			// 缩放条
			const toolbar = new AMap.ToolBar();
			// 比例尺
			const scale = new AMap.Scale();
			// 定位
			const geolocation = new AMap.Geolocation({
				enableHighAccuracy: true, //是否使用高精度定位，默认:true
				timeout: 10000, //超过10秒后停止定位，默认：5s
				position: 'RT', //定位按钮的停靠位置
				buttonOffset: new AMap.Pixel(10, 20), //定位按钮与设置的停靠位置的偏移量，默认：Pixel(10, 20)
				zoomToAccuracy: true, //定位成功后是否自动调整地图视野到定位点
			});
			geocoder = new AMap.Geocoder({
				city: cityAbbr,
			});
			map.value.addControl(geolocation);
			map.value.addControl(toolbar);
			map.value.addControl(scale);
			placeSearch = new AMap.PlaceSearch({
				map: map.value,
				city: '',
				pageSize: 30, // 单页显示结果条数
				pageIndex: 1, // 页码
				citylimit: false, // 是否强制限制在设置的城市内搜索
				autoFitView: true,
			});
			if (getThemeConfig.value.isIsDark) {
				const styleName = 'amap://styles/' + 'dark';
				map.value.setMapStyle(styleName);
			} else {
				const styleName = 'amap://styles/' + 'normal';
				map.value.setMapStyle(styleName);
			}
		});
	});
};
onMounted(() => {
	initMap();
});
// 搜索地图
const handleSearch = (queryString, cb) => {
	placeSearch.search(queryString, (status, result) => {
		if (result && typeof result === 'object' && result.poiList) {
			const list = result.poiList.pois;
			list.forEach((item) => {
				item.value = item.name;
				item.label = item.name;
			});
			cb(list);
		} else {
			cb([]);
		}
	});
};
// 点击地图
const onMapClick = (e) => {
	const { lng, lat } = e.lnglat;
	// 逆地理编码
	geocoder.getAddress([lng, lat], (status, result) => {
		if (status === 'complete' && result.info === 'OK') {
			const { addressComponent, formattedAddress } = result.regeocode;
			let { city, province, district, township, adcode } = addressComponent;
			if (!city) {
				// 直辖市
				city = province;
			}
			location.value = {
				longitude: lng,
				latitude: lat,
				formattedAddress,
				zone: [province, city, district, township],
				adcode,
			};
			keyword.value = formattedAddress;
			emit('update:modelValue', location.value);
		}
	});
};
// 点击搜索项
const handleSelect = (item) => {
	console.log(item);
	const { pname, cityname, adname, address, name, adcode } = item;
	const { lng, lat } = item.location;
	location.value = {
		longitude: lng,
		latitude: lat,
		adcode,
		formattedAddress: address,
		zone: [pname, cityname, adname, ''],
		name,
	};
	emit('update:modelValue', location.value);
	map.value.setZoomAndCenter(16, [lng, lat]);
};
// 绘制地点marker
const drawMarker = (val) => {
	const { longitude, latitude, formattedAddress } = location.value || val;
	if (marker) {
		marker.setMap(null);
	}
	marker = new AMapObj.Marker({
		position: new AMapObj.LngLat(longitude, latitude),
		anchor: 'bottom-center',
	});
	map.value.add(marker);
	map.value.setCenter([longitude, latitude]);
	keyword.value = formattedAddress;
};
defineExpose({
	location,
});
</script>

<style lang="scss" scoped>
.map-wrapper {
	position: relative;
	width: 100%;
	height: 400px;
	#map-container {
		width: 100%;
		height: 100%;
	}
	.search-box {
		position: absolute;
		top: 10px;
		left: 10px;
		z-index: 1;
		display: flex;
		align-items: center;
	}
}
</style>
