import DCloudUTSFoundation
import RTCRoomEngine

class ExperimentalApiInvoker {
    public static let shared = ExperimentalApiInvoker()
    private let jsonDecoder = JSONDecoder()
    // const data = { "api": "setTestEnvironment", "params": { "enableRoomTestEnv": true } } // 设置 IM 测试环境
    // const data = { "api": "setLocalVideoMuteImage", "params": { "image": "filePath" } }   // 设置垫片
    // const giftData = { "api": "setCurrentLanguage", "params": { "language" : "en"} }      // 礼物功能设置语言
    public func callExperimentalAPI(
        _ jsonString: String, callback: @escaping TUIExperimentalAPIResponseBlock
    ) {
        guard let data = jsonString.data(using: .utf8) else {
            callback("Invalid JSON string")
            return
        }

        do {
            let requestData = try jsonDecoder.decode(RequestData.self, from: data)
            if requestData.api == "setLocalVideoMuteImage" {
                setLocalVideoMuteImage(data: requestData, callback: callback)
                return
            }
            TUIRoomEngine.sharedInstance().callExperimentalAPI(
                jsonStr: jsonString, callback: callback)
        } catch {
            callback("JSON parsing error")
        }
    }

    private func setLocalVideoMuteImage(
        data: RequestData, callback: @escaping TUIExperimentalAPIResponseBlock
    ) {
        guard let filePath = data.params?.image, !filePath.isEmpty else {
            callback("setLocalVideoMuteImage: filePath is empty")
            return
        }

        do {
            let image = UIImage(contentsOfFile: filePath)
            TUIRoomEngine.sharedInstance().setLocalVideoMuteImage(image: image)
        } catch {
            callback("setLocalVideoMuteImage: unexpected error")
        }
    }
}

struct RequestData: Codable {
    let api: String
    let params: Params?
}

// 不要修改数据,每个数据对应一个关键字
struct Params: Codable {
    let image: String?
}