import config from '@/config/index.js'

// 统一处理图片地址，接口返回相对路径时自动补全前缀
export const formatImageUrl = (url) => {
	if (!url) {
		return ''
	}
	if (/^https?:\/\//.test(url)) {
		return url
	}
	const imageBaseUrl = config.imageUrl || ''
	const normalizedBaseUrl = imageBaseUrl.endsWith('/') ? imageBaseUrl : `${imageBaseUrl}/`
	const normalizedPath = String(url).replace(/^\/+/, '')
	return `${normalizedBaseUrl}${normalizedPath}`
}

export const saveImage = (url) => {
	uni.showLoading({
		title: '正在保存图片...'
	});
	uni.getSetting({
		success: async (res) => {
			if (!res.authSetting["scope.writePhotosAlbum"]) {
				uni.authorize({
					scope: "scope.writePhotosAlbum",
					success: async () => {
						const res = await uni.getImageInfo({
							src: url
						});
						uni.saveImageToPhotosAlbum({
							filePath: res.path,
							success: () => {
								uni.hideLoading();
								uni.showToast({
									title: "保存成功！"
								});
							},
							fail: (err) => {
								console.error("保存失败：", err);
								uni.showToast({
									title: "保存失败，请重试！",
									icon: 'error'
								});
							}
						});
					},
					fail: () => {
						uni.hideLoading();
						uni.showModal({
							title: "权限未授权",
							content: "请前往设置中开启相册权限",
							success: (res) => {
								if (res.confirm) {
									uni.openSetting();
								}
							}
						});
					}
				});
			} else {
				const res = await uni.getImageInfo({
					src: url
				});
				uni.saveImageToPhotosAlbum({
					filePath: res.path,
					success: () => {
						uni.hideLoading();
						uni.showToast({
							title: "保存成功！"
						});
					},
					fail: (err) => {
						console.error("保存失败：", err);
						uni.showToast({
							title: "保存失败，请重试！",
							icon: 'error'
						});
					}
				});
			}
		},
		fail: () => {
			uni.hideLoading();
			uni.showToast({
				title: "获取权限失败！",
				icon: 'error'
			});
		}
	});
};