var $deviceCategory = $('#device_category'),
	$deviceVersion = $('#device_version'),
	$deviceSn = $('#device_sn'),
	$unbingBtn = $('#bind_btn'),
	$endPointMsg = $('#end_point_msg');

/**
 * 获取设备类型列表
 * */
function deviceCategoryPromise() {
	return getReqPromise('common/device/DeviceCategory',null,'GET')
	.then(function(res) {
		if(res.status == 200) {
			var codes = _.pluck(res.data, 'code');
			var names = _.pluck(res.data, 'name');
			initDeviceCategory(codes, names);
		} else {
			mui.toast(res.msg);
			Promise.reject();
		}
	});
}

/**
 * 获取设备型号列表
 * */
function deviceListPromise(code) {
	return getReqPromise('common/device/DeviceList',{
		category_code: code
	},'GET')
	.then(function(res) {
		if(res.status == 200) {
			var codes = _.pluck(res.data, 'id');
			var names = _.pluck(res.data, 'name');
			initDeviceVersion(codes, names);
		} else {
			mui.toast(res.msg);
			Promise.reject();
		}
	})
}

/**
 * 通过sn码获取设备绑定情况
 * */
function getListByDeviceSnPromise(type,deviceSn) {
	return getReqPromise('doctor/device/getListByDeviceSn',{
		type: type,
		deviceSn: deviceSn
	},'GET')
	.then(function(res) {
		if(res.status == 200) {
			if(!res.data || !res.data.length) {
				$endPointMsg.text("该设备未绑定居民");
			} else {
				var names = _.pluck(res.data, 'userName').join('、');
				mui.confirm("当前设备已绑定至"+names+"账户，解绑设备后，将无法自动从设备获取相关数据，是否确认解绑？", "提示", ["立即解绑","不了,谢谢"], function(e) {
					if(e.index==0){
						unbindDevicePromise(type,deviceSn).then(function(res) {
							mui.toast(res.msg);
						});
						return;
					}else{
						return;
					}				
				});	
			}
		} else {
			$endPointMsg.text(res.msg);
			Promise.reject();
		}
	}).catch(function(e) {
		console&& console.error(e)
	})
}

/**
 * 解绑设备请求
 * */
function unbindDevicePromise(type, deviceSn) {
	
	return getReqPromise('doctor/device/unbindDevice',{
		type: type,
		deviceSn: deviceSn
	},'GET')
}

function initMobiscroll($el,codes,names,opts) {
	$el.mobiscroll({
		theme: 'ios',
		lang: 'zh',
		customWheels: true,
		wheels: [
			[{
				keys: codes,
				values: names
			}]
		],
		onSelect: function(valueText, inst) {
			var dd = eval("[" + valueText + "]");
			$(this).val(dd[0].values);
			$(this).attr('data-code',dd[0].keys);
			if(opts && opts.onselect) {
				opts.onselect(dd[0].keys);
			}
			$endPointMsg.text('');
		}
	});
}

/*
 * 设备类型下拉列表初始化
 * */
function initDeviceCategory(codes,names) {
	initMobiscroll($deviceCategory,codes,names,{
		onselect: function(code) {
			deviceListPromise(code)
		}
	})
}

/*
 * 设备类型型号下拉列表初始化
 * */
function initDeviceVersion(codes,names) {
	initMobiscroll($deviceVersion,codes,names)
}

/*
 * 必输校验
 * */
function validRequiredPromise() {
	return new Promise(function(resolve, reject) {
		var category = $deviceCategory.attr('data-code'),
			version = $deviceVersion.attr('data-code'),
			sn = $.trim($deviceSn.val());
		if(!category) {
			reject("请选择设备类型");
		} else if(!version){
			reject("请选择设备型号");
		} else if(!sn) {
			reject("请输入SN码");
		} else {
			resolve({
				category: category,
				version: version,
				sn: sn
			});
		}
	})
}

// 页面业务处理流程开始
new Promise(function(resolve, reject) {

	mui.plusReady(function() {
		// plus已经准备好，可以往下执行
		resolve(true);
	})
}).then(function() {
	
	return deviceCategoryPromise()
	.then(function() {
		$unbingBtn.on('click',function() {
			validRequiredPromise().then(function(data) {
					return getListByDeviceSnPromise(data.category, data.sn)
				},function(msg) {
					mui.toast(msg);
				}
			).then(function(res) {
				if(res.status == 200) {
					mui.toast(res.msg);
				} else if(res.status == -1){
					$endPointMsg.text("未查询到设备或设备未绑定居民");
				} else {
					mui.toast(res.msg);
				}
				
			})
		});
		
		$deviceSn.on('input',function() {
			$endPointMsg.text('');
		})
	}).catch(function(e) {
		console && console.error(e);
	})
})