<template>
	<view class="weight-container">
		<!-- 当前体重状态卡片 -->
		<view class="current-weight-card">
			<view class="weight-header">
				<text class="pet-name">{{ petName }}的体重管理</text>
				<text class="last-update">最后更新：{{ lastUpdateTime }}</text>
			</view>
			
			<view class="weight-display">
				<view class="current-weight">
					<text class="weight-value">{{ currentWeight }}</text>
					<text class="weight-unit">kg</text>
				</view>
				<view class="weight-status" :class="weightStatusClass">
					<text class="status-text">{{ weightStatusText }}</text>
				</view>
			</view>
		</view>
		
		<!-- 体重对比仪表盘 -->
		<view class="comparison-dashboard">
			<view class="dashboard-header">
				<text class="dashboard-title">📊 体重变化对比</text>
			</view>
			
			<view class="comparison-grid">
				<view class="comparison-item">
					<view class="comparison-icon">📈</view>
					<view class="comparison-content">
						<text class="comparison-label">较上周</text>
						<text class="comparison-value" :class="weeklyChangeClass">
							{{ weeklyChange }}
						</text>
						<text class="comparison-percent" :class="weeklyChangeClass">
							{{ weeklyPercent }}
						</text>
					</view>
				</view>
				
				<view class="comparison-item">
					<view class="comparison-icon">📊</view>
					<view class="comparison-content">
						<text class="comparison-label">较上月</text>
						<text class="comparison-value" :class="monthlyChangeClass">
							{{ monthlyChange }}
						</text>
						<text class="comparison-percent" :class="monthlyChangeClass">
							{{ monthlyPercent }}
						</text>
					</view>
				</view>
			</view>
		</view>
		
		<!-- 时间维度切换 -->
		<view class="time-selector">
			<view class="selector-header">
				<text class="selector-title">📅 时间范围</text>
			</view>
			<view class="time-tabs">
				<view 
					class="time-tab" 
					:class="{ active: activeTab === tab.key }"
					v-for="tab in timeTabs" 
					:key="tab.key"
					@click="switchTimeRange(tab.key)"
				>
					<text class="tab-text">{{ tab.label }}</text>
				</view>
			</view>
		</view>
		
		<!-- 体重变化图表 -->
		<view class="chart-container">
			<view class="chart-header">
				<text class="chart-title">📈 {{ currentTimeRange }}体重趋势</text>
			</view>
			<qiun-data-charts 
				type="line" 
				:opts="chartOpts" 
				:chartData="chartData"
				:canvas2d="true"
				:canvasId="'weightChart'"
				:canvas-id="'weightChart'"
			/>
		</view>
		
		<!-- AI分析卡片 -->
		<view class="ai-analysis-card">
			<view class="analysis-header">
				<text class="analysis-title">🤖 AI健康分析</text>
				<view class="analysis-badge">
					<text class="badge-text">智能分析</text>
				</view>
			</view>
			
			<view class="analysis-content">
				<view class="analysis-section">
					<text class="section-title">📋 健康评估</text>
					<text class="section-content">{{ healthAssessment }}</text>
				</view>
				
				<view class="analysis-section">
					<text class="section-title">📈 趋势分析</text>
					<text class="section-content">{{ trendAnalysis }}</text>
				</view>
				
				<view class="analysis-section">
					<text class="section-title">💡 建议</text>
					<text class="section-content">{{ recommendations }}</text>
				</view>
				
				<view class="analysis-section" v-if="medicalAdvice">
					<text class="section-title">⚠️ 医疗建议</text>
					<text class="section-content warning">{{ medicalAdvice }}</text>
				</view>
			</view>
		</view>
		
		<!-- 添加体重记录按钮 -->
		<view class="add-weight-btn" @click="addWeightRecord">
			<text class="add-btn-text">+ 添加体重记录</text>
		</view>
	</view>
</template>

<script>
import weightManager from '@/utils/weightManager.js'

export default {
	data() {
		return {
			petId: '',
			petName: '',
			petInfo: {},
			currentWeight: '4.2',
			lastUpdateTime: '2024-01-20 14:30',
			weightStatusText: '健康范围',
			weightStatusClass: 'healthy',
			
			// 体重变化数据
			weeklyChange: '+0.1kg',
			weeklyPercent: '+2.4%',
			weeklyChangeClass: 'increase',
			monthlyChange: '+0.3kg',
			monthlyPercent: '+7.1%',
			monthlyChangeClass: 'increase',
			
			// 时间维度选项
			activeTab: 'week',
			timeTabs: [
				{ key: 'week', label: '近一周' },
				{ key: 'month', label: '近一月' },
				{ key: 'year', label: '近一年' },
				{ key: 'all', label: '全部历史' }
			],
			currentTimeRange: '近一周',
			
			// 图表配置
			chartOpts: {
				color: ["#FF8A80", "#64B5F6"],
				padding: [15, 15, 0, 15],
				enableScroll: false,
				legend: {
					show: false
				},
				xAxis: {
					disableGrid: true,
					fontSize: 10,
					fontColor: "#666666"
				},
				yAxis: {
					gridType: "dash",
					dashLength: 2,
					fontSize: 10,
					fontColor: "#666666"
				},
				extra: {
					line: {
						type: "curve",
						width: 2,
						activeType: "hollow"
					}
				}
			},
			
			// 图表数据
			chartData: {},
			
			// AI分析内容
			healthAssessment: '根据小橘的品种（橘猫）、年龄（2岁）和性别（公），当前体重4.2kg处于健康范围内。成年橘猫的理想体重通常在3.5-5.5kg之间。',
			trendAnalysis: '近期体重呈稳定上升趋势，增长速度适中。这种增长模式符合健康成长规律，无需过度担心。',
			recommendations: '建议保持当前的饮食习惯，每日定时定量喂食。增加适量运动，如逗猫棒游戏15-20分钟。定期监测体重变化。',
			medicalAdvice: ''
		}
	},
	
	onLoad(options) {
		this.petId = options.petId || ''
		this.petName = options.petName || '宠物'
		this.loadPetInfo()
		this.loadWeightData()
		this.generateChartData()
	},
	
	methods: {
		loadPetInfo() {
			try {
				const pets = uni.getStorageSync('pets') || []
				this.petInfo = pets.find(pet => pet.id == this.petId) || {
					id: this.petId,
					name: this.petName,
					breed: '橘猫',
					age: 2,
					gender: '公'
				}
			} catch (error) {
				console.error('加载宠物信息失败:', error)
			}
		},

		loadWeightData() {
			// 获取当前体重
			this.currentWeight = weightManager.getCurrentWeight(this.petId) || 4.2

			// 计算体重变化
			const weeklyChange = weightManager.calculateWeightChange(this.petId, 7)
			const monthlyChange = weightManager.calculateWeightChange(this.petId, 30)

			// 更新周变化数据
			this.weeklyChange = weeklyChange.change >= 0 ? `+${weeklyChange.change}kg` : `${weeklyChange.change}kg`
			this.weeklyPercent = weeklyChange.percent >= 0 ? `+${weeklyChange.percent}%` : `${weeklyChange.percent}%`
			this.weeklyChangeClass = weeklyChange.trend

			// 更新月变化数据
			this.monthlyChange = monthlyChange.change >= 0 ? `+${monthlyChange.change}kg` : `${monthlyChange.change}kg`
			this.monthlyPercent = monthlyChange.percent >= 0 ? `+${monthlyChange.percent}%` : `${monthlyChange.percent}%`
			this.monthlyChangeClass = monthlyChange.trend

			// 判断健康状态
			const healthRange = weightManager.getHealthyWeightRange(this.petInfo)
			if (this.currentWeight >= healthRange.min && this.currentWeight <= healthRange.max) {
				this.weightStatusText = '健康范围'
				this.weightStatusClass = 'healthy'
			} else if (this.currentWeight < healthRange.min) {
				this.weightStatusText = '偏轻'
				this.weightStatusClass = 'warning'
			} else {
				this.weightStatusText = '偏重'
				this.weightStatusClass = 'warning'
			}

			// 生成AI分析
			const aiAnalysis = weightManager.generateAIAnalysis(this.petId, this.petInfo)
			this.healthAssessment = aiAnalysis.healthAssessment
			this.trendAnalysis = aiAnalysis.trendAnalysis
			this.recommendations = aiAnalysis.recommendations
			this.medicalAdvice = aiAnalysis.medicalAdvice

			// 更新最后更新时间
			const records = weightManager.getWeightRecords(this.petId)
			if (records.length > 0) {
				const lastRecord = records[records.length - 1]
				const lastDate = new Date(lastRecord.date)
				this.lastUpdateTime = `${lastDate.getMonth() + 1}-${lastDate.getDate()} ${lastDate.getHours()}:${lastDate.getMinutes().toString().padStart(2, '0')}`
			}
		},
		
		switchTimeRange(timeKey) {
			this.activeTab = timeKey
			const timeMap = {
				'week': '近一周',
				'month': '近一月', 
				'year': '近一年',
				'all': '全部历史'
			}
			this.currentTimeRange = timeMap[timeKey]
			this.generateChartData()
		},
		
		generateChartData() {
			// 使用 weightManager 生成图表数据
			this.chartData = weightManager.generateChartData(this.petId, this.activeTab)
		},
		
		addWeightRecord() {
			uni.showModal({
				title: '添加体重记录',
				editable: true,
				placeholderText: '请输入体重(kg)',
				success: (res) => {
					if (res.confirm && res.content) {
						const weight = parseFloat(res.content)
						if (weight && weight > 0 && weight < 20) {
							const record = weightManager.addWeightRecord(this.petId, {
								weight: weight,
								date: new Date().toISOString(),
								note: '手动添加'
							})

							if (record) {
								uni.showToast({
									title: '添加成功',
									icon: 'success'
								})
								// 重新加载数据
								this.loadWeightData()
								this.generateChartData()
							} else {
								uni.showToast({
									title: '添加失败',
									icon: 'error'
								})
							}
						} else {
							uni.showToast({
								title: '请输入有效的体重值',
								icon: 'error'
							})
						}
					}
				}
			})
		}
	}
}
</script>

<style lang="scss" scoped>
.weight-container {
	background: linear-gradient(135deg, #FF8A80 0%, #FFB6C1 25%, #FECFEF 50%, #F8BBD9 100%);
	min-height: 100vh;
	padding: 20rpx;
}

/* 当前体重状态卡片 */
.current-weight-card {
	background: rgba(255, 255, 255, 0.95);
	backdrop-filter: blur(20rpx);
	border-radius: 28rpx;
	padding: 32rpx;
	margin-bottom: 24rpx;
	box-shadow: 0 8rpx 32rpx rgba(255, 138, 128, 0.2);
	border: 1rpx solid rgba(255, 255, 255, 0.3);

	.weight-header {
		text-align: center;
		margin-bottom: 32rpx;

		.pet-name {
			font-size: 32rpx;
			font-weight: bold;
			color: #333333;
			display: block;
			margin-bottom: 8rpx;
		}

		.last-update {
			font-size: 22rpx;
			color: #999999;
			display: block;
		}
	}

	.weight-display {
		text-align: center;

		.current-weight {
			margin-bottom: 20rpx;

			.weight-value {
				font-size: 72rpx;
				font-weight: bold;
				color: #FF8A80;
			}

			.weight-unit {
				font-size: 32rpx;
				color: #666666;
				margin-left: 8rpx;
			}
		}

		.weight-status {
			padding: 12rpx 24rpx;
			border-radius: 20rpx;
			display: inline-block;

			&.healthy {
				background: #E8F5E8;
				color: #4CAF50;
			}

			&.warning {
				background: #FFF3E0;
				color: #FF9800;
			}

			&.danger {
				background: #FFEBEE;
				color: #F44336;
			}

			.status-text {
				font-size: 24rpx;
				font-weight: 500;
			}
		}
	}
}

/* 体重对比仪表盘 */
.comparison-dashboard {
	background: rgba(255, 255, 255, 0.95);
	backdrop-filter: blur(20rpx);
	border-radius: 28rpx;
	padding: 32rpx;
	margin-bottom: 24rpx;
	box-shadow: 0 8rpx 32rpx rgba(255, 138, 128, 0.2);
	border: 1rpx solid rgba(255, 255, 255, 0.3);

	.dashboard-header {
		margin-bottom: 28rpx;

		.dashboard-title {
			font-size: 32rpx;
			font-weight: bold;
			color: #333333;
		}
	}

	.comparison-grid {
		display: flex;
		gap: 20rpx;

		.comparison-item {
			flex: 1;
			background: rgba(255, 138, 128, 0.05);
			border-radius: 20rpx;
			padding: 24rpx;
			display: flex;
			align-items: center;
			gap: 16rpx;

			.comparison-icon {
				font-size: 32rpx;
				width: 48rpx;
				text-align: center;
			}

			.comparison-content {
				flex: 1;

				.comparison-label {
					font-size: 22rpx;
					color: #999999;
					display: block;
					margin-bottom: 8rpx;
				}

				.comparison-value {
					font-size: 28rpx;
					font-weight: bold;
					display: block;
					margin-bottom: 4rpx;

					&.increase {
						color: #FF8A80;
					}

					&.decrease {
						color: #4CAF50;
					}

					&.stable {
						color: #666666;
					}
				}

				.comparison-percent {
					font-size: 20rpx;
					display: block;

					&.increase {
						color: #FF8A80;
					}

					&.decrease {
						color: #4CAF50;
					}

					&.stable {
						color: #666666;
					}
				}
			}
		}
	}
}

/* 时间维度切换 */
.time-selector {
	background: rgba(255, 255, 255, 0.95);
	backdrop-filter: blur(20rpx);
	border-radius: 28rpx;
	padding: 32rpx;
	margin-bottom: 24rpx;
	box-shadow: 0 8rpx 32rpx rgba(255, 138, 128, 0.2);
	border: 1rpx solid rgba(255, 255, 255, 0.3);

	.selector-header {
		margin-bottom: 28rpx;

		.selector-title {
			font-size: 32rpx;
			font-weight: bold;
			color: #333333;
		}
	}

	.time-tabs {
		display: flex;
		gap: 12rpx;

		.time-tab {
			flex: 1;
			text-align: center;
			padding: 16rpx 12rpx;
			border-radius: 16rpx;
			background: rgba(255, 138, 128, 0.1);
			transition: all 0.3s ease;

			&.active {
				background: #FF8A80;

				.tab-text {
					color: white;
				}
			}

			&:active {
				transform: scale(0.95);
			}

			.tab-text {
				font-size: 24rpx;
				font-weight: 500;
				color: #666666;
			}
		}
	}
}

/* 图表容器 */
.chart-container {
	background: rgba(255, 255, 255, 0.95);
	backdrop-filter: blur(20rpx);
	border-radius: 28rpx;
	padding: 32rpx;
	margin-bottom: 24rpx;
	box-shadow: 0 8rpx 32rpx rgba(255, 138, 128, 0.2);
	border: 1rpx solid rgba(255, 255, 255, 0.3);

	.chart-header {
		margin-bottom: 28rpx;

		.chart-title {
			font-size: 32rpx;
			font-weight: bold;
			color: #333333;
		}
	}
}

/* AI分析卡片 */
.ai-analysis-card {
	background: rgba(255, 255, 255, 0.95);
	backdrop-filter: blur(20rpx);
	border-radius: 28rpx;
	padding: 32rpx;
	margin-bottom: 24rpx;
	box-shadow: 0 8rpx 32rpx rgba(255, 138, 128, 0.2);
	border: 1rpx solid rgba(255, 255, 255, 0.3);

	.analysis-header {
		display: flex;
		justify-content: space-between;
		align-items: center;
		margin-bottom: 28rpx;

		.analysis-title {
			font-size: 32rpx;
			font-weight: bold;
			color: #333333;
		}

		.analysis-badge {
			background: linear-gradient(135deg, #64B5F6, #81C784);
			border-radius: 20rpx;
			padding: 8rpx 16rpx;

			.badge-text {
				font-size: 20rpx;
				color: white;
				font-weight: 500;
			}
		}
	}

	.analysis-content {
		.analysis-section {
			margin-bottom: 24rpx;

			&:last-child {
				margin-bottom: 0;
			}

			.section-title {
				font-size: 26rpx;
				font-weight: bold;
				color: #333333;
				margin-bottom: 12rpx;
				display: block;
			}

			.section-content {
				font-size: 24rpx;
				color: #666666;
				line-height: 1.6;
				display: block;

				&.warning {
					color: #FF9800;
					background: #FFF3E0;
					padding: 16rpx;
					border-radius: 12rpx;
				}
			}
		}
	}
}

/* 添加体重记录按钮 */
.add-weight-btn {
	background: linear-gradient(135deg, #FF8A80, #FFB6C1);
	border-radius: 28rpx;
	padding: 24rpx;
	text-align: center;
	margin-bottom: 40rpx;
	box-shadow: 0 8rpx 32rpx rgba(255, 138, 128, 0.3);
	transition: all 0.3s ease;

	&:active {
		transform: scale(0.98);
	}

	.add-btn-text {
		font-size: 32rpx;
		font-weight: bold;
		color: white;
	}
}
</style>
