// request.uts - 无警告 最终版
export class RequestOptions {
	url : string = ''
	method : string = 'GET'
	params : UTSJSONObject | null = null
	data : UTSJSONObject | null = null
	showLoading : boolean = true
	loadingMsg : string = '加载中'
	showError : boolean = true
}

// 修复：any → any | null 声明可空，消除null判断警告
function toUTSJSONObject(obj : any | null) : UTSJSONObject | null {
	if (obj == null) return null
	if (obj instanceof UTSJSONObject) return obj

	const result = new UTSJSONObject()
	const keys = UTSJSONObject.keys(obj as UTSJSONObject)
	for (let i = 0; i < keys.length; i++) {
		const key = keys[i]
		const val = (obj as UTSJSONObject).get(key)
		if (val != null) {
			result.set(key, val)
		}
	}
	return result
}

// Map 转 UTSJSONObject
function mapToUTSJSONObject(map : Map<string, string>) : UTSJSONObject {
	const obj = new UTSJSONObject()
	map.forEach((value : string, key : string) => {
		obj.set(key, value)
	})
	return obj
}
// 修复：any → any | null
function buildQueryString(params : any | null) : string {
	if (params == null) return ''
	const obj = toUTSJSONObject(params)
	if (obj == null) return ''

	const keys = UTSJSONObject.keys(obj)
	let query = ''
	for (let i = 0; i < keys.length; i++) {
		const key = keys[i]
		const val = obj.get(key)
		if (val != null) {
			if (query.length > 0) query += '&'
			query += key + '=' + encodeURIComponent(val.toString())
		}
	}
	return query
}

export function request(options : any | null) : Promise<any> {
	return new Promise<any>((resolve, reject) => {
		if (options == null) {
			reject(new Error('请求参数不能为空'))
			return
		}

		const opts = toUTSJSONObject(options)
		if (opts == null) {
			reject(new Error('请求参数格式错误'))
			return
		}
		const baseURL = '/'
		const url = opts.getString('url') ?? ''
		const method = opts.getString('method') ?? 'GET'
		const params = opts.get('params')
		const data = opts.get('data')
		const showLoading = opts.getBoolean('showLoading') ?? true
		const loadingMsg = opts.getString('loadingMsg') ?? '加载中'

		// 拼接基础地址 + 接口地址
		let finalUrl = baseURL + url.replace(/^\//, '')
		const upperMethod = method.toUpperCase()

		// GET 参数拼接
		if (upperMethod === 'GET' && params != null) {
			const query = buildQueryString(params)
			if (query.length > 0) finalUrl += '?' + query
		}



		const headerMap = new Map<string, string>()
		headerMap.set('Content-Type', 'application/json')
		const token = uni.getStorageSync('token') as string
		if (token.length > 0) headerMap.set('Authorization', 'Bearer ' + token)
		const tenantId = uni.getStorageSync('tenantId') as string | null
		headerMap.set('tenant-id', tenantId ?? 'default')
		headerMap.set('terminal', uni.getSystemInfoSync().platform)
		const header = mapToUTSJSONObject(headerMap)

		let requestData : string | null = null
		if (upperMethod !== 'GET' && data != null) {
			requestData = JSON.stringify(data)
		}

		if (showLoading) {
			uni.showLoading({ title: loadingMsg, mask: true })
		}

		uni.request({
			url: finalUrl,
			method: upperMethod,
			data: requestData,
			header: header,
			timeout: 15000,
			success: (res) => {
				uni.hideLoading()
				if (res.statusCode >= 200 && res.statusCode < 300) {
					resolve(res.data as any ?? {})
				} else {
					reject(new Error('请求失败：HTTP ' + res.statusCode))
				}
			},
			fail: (err) => {
				uni.hideLoading()
				reject(new Error('网络错误：' + err.errMsg))
			}
		})
	})
}