import { UTSiOS } from "DCloudUTSFoundation";
import { Bundle, FileManager } from 'Foundation';
import { } from 'CommonCrypto';
import { UnsafeBufferPointer, UnsafeRawBufferPointer } from 'Swift';

export class AppBaseInfoDeviceUtil {

	public static getAppID() : string {
		return UTSiOS.getAppId();
	}

	public static getAppName() : string {
		return UTSiOS.getAppName();
	}

	public static getHostName() : string {
		return UTSiOS.getHostName();
	}

	public static getHostTheme() : string {
		return UTSiOS.getHostTheme();
	}

	public static getHostLanguage() : string {
		return UTSiOS.getHostLanguage();
	}

	public static getHostVersion() : string {
		return UTSiOS.getHostVersion();
	}

	public static getHostPackageName() : string {
		return UTSiOS.getHostPackageName();
	}

	public static getAppVersion() : string {
		return UTSiOS.getAppVersion();
	}

	public static getAppVersionCode() : string {
		return UTSiOS.getAppVersionCode();
	}

	public static getAppWgtVersion() : string {
		return UTSiOS.getAppWgtVersion();
	}

	public static getOsLanguage() : string {
		return UTSiOS.getOsLanguage();
	}

	public static getOsLanguageNormal() : string {
		const LOCALE_ZH_HANS = 'zh-Hans'
		const LOCALE_ZH_HANT = 'zh-Hant'
		let locale = UTSiOS.getOsLanguage();
		if (locale.indexOf('zh') == 0) {
			if (locale.indexOf('-hans') > -1) {
				return LOCALE_ZH_HANS;
			}
			if (locale.indexOf('-hant') > -1) {
				return LOCALE_ZH_HANT;
			}
			if (locale.includes("-tw") || locale.includes("-hk") || locale.includes("-mo") || locale.includes("-cht")) {
				return LOCALE_ZH_HANT;
			}

			return LOCALE_ZH_HANS;
		} else {
			return locale;
		}
	}

	public static getAppInnerVersion() : string {
		return UTSiOS.getInnerVersion();
	}

	public static getBundleId() : string {
		return Bundle.main.bundleIdentifier!
	}

	public static getSignature() : string {
		let bundleId = AppBaseInfoDeviceUtil.getBundleId()
		const embeddedPath = Bundle.main.path(forResource = "embedded", ofType = "mobileprovision")
		if (embeddedPath != null) {
			if (FileManager.default.fileExists(atPath = embeddedPath!)) {
				const embeddedProvisioning : string | null = UTSiOS.try(new String(contentsOfFile = embeddedPath!, encoding = String.Encoding.ascii), "?")
				const embeddedProvisioningLines = embeddedProvisioning?.split("\n")
				let target = ""
				embeddedProvisioningLines?.forEach((line : string, index : number) => {
					if (line.indexOf("application-identifier") != -1) {
						if (index + 1 < embeddedProvisioningLines!.length) {
							target = embeddedProvisioningLines![index + 1]
						}
					}
				})
				const leftStr = "<string>"
				const rightStr = "</string>"
				if (target != "") {
					const start = target.indexOf(leftStr) + leftStr.length;
					const end = target.indexOf(rightStr)
					const fullIdentifier = target.slice(start, end)
					const idStart = fullIdentifier.indexOf(".") + 1
					const id = fullIdentifier.slice(idStart)
					if(id.length > 0){
						bundleId = id
					}
				}
			}
		}
		
		const strData = bundleId.data(using = String.Encoding.utf8)!
		let digest = new Array<UInt8>(repeating = 0, count = new Int(CC_MD5_DIGEST_LENGTH))
		strData.withUnsafeBytes((body : UnsafeRawBufferPointer) => {
			CC_MD5(body.baseAddress, new UInt32(strData.count), UTSiOS.getPointer(digest))
		})
		let md5String = ""
		digest.forEach((byte : UInt8) => {
			md5String += new String(format = "%02x", new UInt8(byte))
		})

		return md5String
	}
}