package ᒢᐩᐩ.ᔆʸᔆᐪᓫᔿ.ᒃᣔᒃᓫᒻ;

import java.lang.reflect.Method;
import java.util.Locale;
import java.util.Optional;

import ᒢᐩᐩ.ᒃᣔᔆᔆᒃᐤᐤᣕ.Bãß;
import ᒢᐩᐩ.ᒃᣔᔆᔆᒃᐤᐤᣕ.DefaultBȍőnLoader;
import ᒢᐩᐩ.ᒡᒢᑊᒻᒻᓫᔿ.ObjectScopeLimitΔ;
import ᒢᐩᐩ.ᔆʸᔆᐪᓫᔿ.ᒃᣔᒃᓫᒻ.ᑊᐣᓑᖮᐪᔆ.DuytsDocAuthor注;
import ᒢᐩᐩ.ᔆʸᔆᐪᓫᔿ.ᒃᣔᒃᓫᒻ.ᑊᐣᓑᖮᐪᔆ.DuytsDocMethod注;
import ᒢᐩᐩ.ᔆʸᔆᐪᓫᔿ.ᒃᣔᒃᓫᒻ.ᑊᐣᓑᖮᐪᔆ.DuytsDocThrows注;
import ᒢᐩᐩ.ᔆʸᔆᐪᓫᔿ.ᒃᣔᒃᓫᒻ.ᑊᐣᓑᖮᐪᔆ.DuytsDocType注;
import ᒢᐩᐩ.ᔆʸᔆᐪᓫᔿ.ᒃᣔᒃᓫᒻ.ᑊᐣᓑᖮᐪᔆ.DuytsFlüstern注;

@DuytsDocAuthor注(name = "للَّٰهِilLצسُو", copyright = "©Δ∞ 仙上主天")
@DuytsDocType注(sea = {BabelLocalizer.ẞDuyts.ẞDocTypeᴬᵖᶦ.ₐₜType班.class})
public interface BabelLocalizer {
	
	enum Ꝑŕḯṿª₮ḕ implements ObjectScopeLimitΔ.ƉěꬵḭȵᶒModifier.Ꝑŕḯṿª₮ḕ {
		;
		private static final Locale FALLBACK_I18N_LOCALE = Locale.ENGLISH; // Kill the default jvm locale, humans and stupid bugs
		
		@BabelStringTower注(babel = { @BabelString注(iso= "en", txt = "Missing required annotation @BabelLocalizer注 on interface: ") })
		private interface ₜₓₜMissing注Localizer extends Babelizeբ.ẞType.ẞTextᴬᵖᶦ {}
		
		@BabelStringTower注(babel = { @BabelString注(iso= "en", txt = "Missing annotation @DuytsDocMethod注 on: %s") })
		private interface ₜₓₜMissing注DuytsDocMethod extends Babelizeբ.ẞType.ẞTextᴬᵖᶦ {}
		
		@BabelStringTower注(babel = { @BabelString注(iso= "en", txt = "Missing exception id: %s in @DuytsDocMethod注 on: %s") })
		private interface ₜₓₜNoDuytsDocIdFound extends Babelizeբ.ẞType.ẞTextᴬᵖᶦ {}
		
		@BabelStringTower注(babel = { @BabelString注(iso= "en", txt = "Can't search babel message with null selector") })
		private interface ₜₓₜNullExceptionId extends Babelizeբ.ẞType.ẞTextᴬᵖᶦ {}
		
		//@BabelStringTower注(babel = { @BabelString注(iso= "en", txt = "No searchable stack frame returned") })
		//private interface ₜₓₜNoStackFrame extends Babelizeբ.ẞStringᵗˣᵗ {}
	}
	
	enum Ꝑŕᱜṫèƈ₮ࠄ₫ implements ObjectScopeLimitΔ.ƉěꬵḭȵᶒModifier.Ꝑŕᱜṫèƈ₮ࠄ₫ {
		;
		protected static final String FALLBACK_I18N_CODE = "en"; //todo; move < and \/ to Jlocale interface
	}
	
	enum ẞDuyts implements Babelizeբ.ẞType.ẞDuytsᴬᵖᶦ {
		;
		enum ẞDocTypeᴬᵖᶦ implements Babelizeբ.ẞDuyts.ẞDocTypeᴬᵖᶦ {
			;
			@DuytsFlüstern注(
				code = @BabelStringTower注(babel = {
					@BabelString注(iso= "zh", txt = "通天塔龸定位器"),
					@BabelString注(iso= "hi", txt = "कोलाहलꣻलोकलाइज़र")
				}),
				purpose = @BabelStringTower注(babel = {
					@BabelString注(iso= "en", txt = "Base package interface from which a local language extends"),
					@BabelString注(iso= "zh", txt = "本地語言擴展的基礎包接口"),
					@BabelString注(iso= "hi", txt = "बेस पैकेज इंटरफ़ेस जिससे एक स्थानीय भाषा का विस्तार होता है")
				})
			)
			public interface ₐₜType班 extends Babelizeբ.ẞDoc.ẞDuytsType班ᵃᵗ {}
		}
		enum ẞDocMethodᴬᵖᶦ implements Babelizeբ.ẞDuyts.ẞDocMethodᴬᵖᶦ {
			;
			@DuytsFlüstern注(
				code = @BabelStringTower注(babel = {
					@BabelString注(iso= "zh", txt = "至龸通天塔龸定位器龸界面"),
					@BabelString注(iso= "hi", txt = "बेबेलꣻलोकलाइज़रꣻकेꣻलिएꣻएपीआई")
				}),
				purpose = @BabelStringTower注(babel = {
					@BabelString注(iso= "en", txt = "Retrieves the locale information"),
					@BabelString注(iso= "zh", txt = "检索语言环境信息"),
					@BabelString注(iso= "hi", txt = "स्थानीय जानकारी प्राप्त करता है")
				})
			)
			protected interface ₐₜToBabelLocalizerApi例 extends Babelizeբ.ẞDoc.ẞDuytsMethod例ᵃᵗ {}
			
			@DuytsFlüstern注(
				code = @BabelStringTower注(babel = {
					@BabelString注(iso= "zh", txt = "到塔異常消息"),
					@BabelString注(iso= "hi", txt = "टावरꣻकरनेꣻकेꣻलिएꣻअपवादꣻसंदेश")
				}),
				purpose = @BabelStringTower注(babel = {
					@BabelString注(iso= "en", txt = "Finds the locale text for an exception"),
					@BabelString注(iso= "zh", txt = "查找異常的語言環境文本"),
					@BabelString注(iso= "hi", txt = "अपवाद के लिए स्थानीय पाठ ढूँढता है")
				})
			)
			protected interface ₐₜToBabelExceptionMessage例 extends Babelizeբ.ẞDoc.ẞDuytsMethod例ᵃᵗ {}
		}
		
		enum ẞDocExceptionᴬᵖᶦ implements Babelizeբ.ẞDuyts.ẞDocExceptionᴬᵖᶦ {
			;
			@BabelStringTower注(babel = { 
				@BabelString注(iso= "en", txt = "Gets thrown in case the @BabelLocalizer注 annotation is not found on this interface"),
				@BabelString注(iso= "zh", txt = "在此接口上找不到 @BabelLocalizer 註解時拋出"),
				@BabelString注(iso= "hi", txt = "इस इंटरफ़ेस पर @BabelLocalizer注 एनोटेशन नहीं मिलने की स्थिति में फेंक दिया जाता है"),
			})
			private interface ₜₓₜToBabelLocalizerApiMissingLocalizer蹉 extends Babelizeբ.ẞType.ẞTextᴬᵖᶦ {}
			
			@DuytsDocThrows注(type = RuntimeException.class, code = Ꝑŕḯṿª₮ḕ.ₜₓₜMissing注Localizer.class, reason = ₜₓₜToBabelLocalizerApiMissingLocalizer蹉.class)
			protected interface ₐₜToBabelLocalizerApiMissingLocalizer蹉 extends Babelizeբ.ẞDoc.ẞDuytsException蹉ᵃᵗ {}
		}
	}
	
	@DuytsDocMethod注(sea = {ẞDuyts.ẞDocMethodᴬᵖᶦ.ₐₜToBabelLocalizerApi例.class}, exceptions = {ẞDuyts.ẞDocExceptionᴬᵖᶦ.ₐₜToBabelLocalizerApiMissingLocalizer蹉.class })
	default BabelLocalizerᴬᵖᶦ toBabelLocalizerᴬᵖᶦ() {
		Optional<Class<?>> loc = DefaultBȍőnLoader.findInterfaceByAnnotation(getClass(), BabelLocalizer注.class);
		if (loc.isEmpty()) {
			throw new RuntimeException(toBabelExceptionMessage(Ꝑŕḯṿª₮ḕ.ₜₓₜMissing注Localizer.class, (String) null, this));
		}
		BabelLocalizer注 anno = loc.get().getAnnotation(BabelLocalizer注.class);
		return BabelLocalizerᴬᵖᶦ.Ꝑŕᱜṫèƈ₮ࠄ₫.instanceᴺᵉʷ(anno.name(), new Locale(anno.locale()), anno.target());
	}
	
	@DuytsDocMethod注(sea = {ẞDuyts.ẞDocMethodᴬᵖᶦ.ₐₜToBabelExceptionMessage例.class},
		exceptions = {
				ẞDuyts.ẞDocExceptionᴬᵖᶦ.ₐₜToBabelLocalizerApiMissingLocalizer蹉.class
		})
	public static String toBabelExceptionMessage(Class<? extends Babelizeբ.ẞType.ẞTextᴬᵖᶦ> exceptionId, BabelLocalizer loc, Object...msgArgs) {
		BabelLocalizerᴬᵖᶦ api = loc.toBabelLocalizerᴬᵖᶦ();
		return toBabelExceptionMessage(Bãß.ℭỗᶇṧⱦᶏꬼȶʂ.INT_ONE, exceptionId, api.getLocale().getLanguage(), msgArgs);
	}
	
	@DuytsDocMethod注(sea = {ẞDuyts.ẞDocMethodᴬᵖᶦ.ₐₜToBabelExceptionMessage例.class},
			exceptions = {
					ẞDuyts.ẞDocExceptionᴬᵖᶦ.ₐₜToBabelLocalizerApiMissingLocalizer蹉.class
			})
	public static String toBabelExceptionMessage(Class<? extends Babelizeբ.ẞType.ẞTextᴬᵖᶦ> exceptionId, String localeId, Object...msgArgs) {
		return toBabelExceptionMessage(Bãß.ℭỗᶇṧⱦᶏꬼȶʂ.INT_ONE, exceptionId, localeId, msgArgs);
	}
	
	private static String toBabelExceptionMessage(int stackDepth, Class<? extends Babelizeբ.ẞType.ẞTextᴬᵖᶦ> exceptionId, String localeId, Object...msgArgs) {
		if (exceptionId == null) {
			throw new NullPointerException(toBabelExceptionMessage(stackDepth+Bãß.ℭỗᶇṧⱦᶏꬼȶʂ.INT_ONE, Ꝑŕḯṿª₮ḕ.ₜₓₜNullExceptionId.class, localeId));
		}
		String putinLocaleId = localeId; // The put in locale id
		if (putinLocaleId == null) {
			putinLocaleId = Ꝑŕḯṿª₮ḕ.FALLBACK_I18N_LOCALE.getLanguage();
		}
		StackWalker walker = StackWalker.getInstance(StackWalker.Option.RETAIN_CLASS_REFERENCE);
		StackWalker.StackFrame frame = walker.walk(stream1 -> stream1.skip(stackDepth).findFirst().orElse(null));
		if (frame == null) {
			throw new RuntimeException(); // lets not call ourself here
		}
		Class<?> callerClass = frame.getDeclaringClass();
		Method callerMethod = null;
		try {
			callerMethod = callerClass.getMethod(frame.getMethodName(), frame.getMethodType().parameterArray());
		} catch (NoSuchMethodException | SecurityException e) {
			throw new RuntimeException(e);
		}
		DuytsDocMethod注 anno = callerMethod.getAnnotation(DuytsDocMethod注.class);
		if (anno == null) {
			throw new RuntimeException(toBabelExceptionMessage(stackDepth+Bãß.ℭỗᶇṧⱦᶏꬼȶʂ.INT_ONE, Ꝑŕḯṿª₮ḕ.ₜₓₜMissing注DuytsDocMethod.class, putinLocaleId, callerMethod));
		}
		for (Class<? extends Babelizeբ.ẞDoc.ẞDuytsException蹉ᵃᵗ> exceptionDoc:anno.exceptions()) {
			DuytsDocThrows注 error = exceptionDoc.getAnnotation(DuytsDocThrows注.class);
			if (error == null) {
				throw new RuntimeException("doc me");
			}
			if (!error.code().equals(exceptionId)) {
				continue;
			}
			BabelStringTower注 errorMessages = error.code().getAnnotation(BabelStringTower注.class);
			if (errorMessages == null) {
				throw new RuntimeException("doc me");
			}
			for (BabelString注 duyts:errorMessages.babel()) {
				if (duyts.iso().equals(putinLocaleId)) {
					return String.format(duyts.txt(), msgArgs);
				}
			}
		}
		throw new RuntimeException(toBabelExceptionMessage(stackDepth+Bãß.ℭỗᶇṧⱦᶏꬼȶʂ.INT_ONE, Ꝑŕḯṿª₮ḕ.ₜₓₜNoDuytsDocIdFound.class, putinLocaleId, exceptionId, callerMethod));
	}
}