//
//  JZTouchIDTool.m
//  JIZHANG
//
//  Created by xiaoxi on 2017/12/20.
//  Copyright © 2017年 kuxuan. All rights reserved.
//

#import "JZTouchIDTool.h"
#import <UIKit/UIKit.h>
#import <LocalAuthentication/LocalAuthentication.h>

/*
 * 验证成功
 */
NSString *const JZValidateTouchIDSuccess = @"JZValidateTouchIDSuccess";
/*
 * 验证失败
 */
NSString *const JZValidateTouchIDFailure = @"JZValidateTouchIDFailure";
/*
 * 取消验证
 */
NSString *const JZValidateTouchIDCancel = @"JZValidateTouchIDCancel";
/*
 * 输入密码
 */
NSString *const JZValidateTouchIDUserFallback = @"JZValidateTouchIDUserFallback";
/*
 * 设备未设置密码
 */
NSString *const JZValidateTouchIDPasscodeNotSet = @"JZValidateTouchIDPasscodeNotSet";
/*
 * 设备指纹不可用
 */
NSString *const JZValidateTouchIDNotAvailable = @"JZValidateTouchIDNotAvailable";
/*
 * 设备未设置指纹
 */
NSString *const JZValidateTouchIDNotEnrolled = @"JZValidateTouchIDNotEnrolled";
/*
 * 设备指纹被锁定
 */
NSString *const JZValidateTouchIDLockout = @"JZValidateTouchIDLockout";
/*
 * 验证指纹被禁止
 */
NSString *const JZValidateTouchIDInvalidContext = @"JZValidateTouchIDInvalidContext";

@implementation JZTouchIDTool

+ (void)setNeedTouchIDYes {
    [[NSUserDefaults standardUserDefaults] setBool:YES forKey:JZNEEDTOUCHID];
}

+ (void)setNeedTouchIDNo {
    [[NSUserDefaults standardUserDefaults] setBool:NO forKey:JZNEEDTOUCHID];
}

+ (BOOL)needTouchID {
    return [[NSUserDefaults standardUserDefaults] boolForKey:JZNEEDTOUCHID];
}

+ (void)openTouchID {
    [[NSUserDefaults standardUserDefaults] setBool:YES forKey:JZOPENTOUCHID];
}

+ (void)closeTouchID {
    [[NSUserDefaults standardUserDefaults] setBool:NO forKey:JZOPENTOUCHID];
}

+ (BOOL)isOpenTouchID {
    return [[NSUserDefaults standardUserDefaults] boolForKey:JZOPENTOUCHID];
}

+ (BOOL)supportTouchID {
    if (@available(iOS 8.0, *)) {
        return YES;
    }
    else {
        return NO;
    }
}

+ (BOOL)canTouchID {
    if (@available(iOS 8.0, *)) {
//        LAContext *context = [[LAContext alloc] init];
//        NSError *error = nil;
//        [context canEvaluatePolicy:LAPolicyDeviceOwnerAuthenticationWithBiometrics error:&error];
//        if (error.code == LAErrorPasscodeNotSet || error.code == LAErrorTouchIDNotEnrolled || error.code == LAErrorTouchIDNotAvailable) {
//            return NO;
//        }
        return YES;
    }
    else {
        return NO;
    }
}

+ (void)validateTouchID {
    if (@available(iOS 8.0, *)) {
        LAContext *context = [[LAContext alloc] init];
        context.localizedFallbackTitle = @"";
        NSError *error = nil;
        if (@available(iOS 9.0, *)) {
            [context evaluatePolicy:LAPolicyDeviceOwnerAuthentication localizedReason:@"指纹解锁" reply:^(BOOL success, NSError * _Nullable error) {
                dispatch_async(dispatch_get_main_queue(), ^{
                    if (error) {
                        switch (error.code) {
                            case LAErrorAuthenticationFailed:
                                [[NSNotificationCenter defaultCenter] postNotificationName:JZValidateTouchIDFailure object:nil];
                                break;
                            case LAErrorUserCancel:
                                [[NSNotificationCenter defaultCenter] postNotificationName:JZValidateTouchIDCancel object:nil];
                                break;
                            case LAErrorUserFallback:
                                [[NSNotificationCenter defaultCenter] postNotificationName:JZValidateTouchIDUserFallback object:nil];
                                break;
                            case LAErrorSystemCancel:
                                [[NSNotificationCenter defaultCenter] postNotificationName:JZValidateTouchIDCancel object:nil];
                                break;
                            case LAErrorPasscodeNotSet:
                                [[NSNotificationCenter defaultCenter] postNotificationName:JZValidateTouchIDPasscodeNotSet object:nil];
                                break;
                            case LAErrorTouchIDNotAvailable:
                                [[NSNotificationCenter defaultCenter] postNotificationName:JZValidateTouchIDNotAvailable object:nil];
                                break;
                            case LAErrorTouchIDNotEnrolled:
                                [[NSNotificationCenter defaultCenter] postNotificationName:JZValidateTouchIDNotEnrolled object:nil];
                                break;
                            case LAErrorTouchIDLockout:
                            {
                                [[NSNotificationCenter defaultCenter] postNotificationName:JZValidateTouchIDLockout object:nil];
//                                [self validateTouchID];
                            }
                                break;
                            case LAErrorAppCancel:
                                [[NSNotificationCenter defaultCenter] postNotificationName:JZValidateTouchIDCancel object:nil];
                                break;
                            case LAErrorInvalidContext:
                            {
                                [[NSNotificationCenter defaultCenter] postNotificationName:JZValidateTouchIDInvalidContext object:nil];
//                                [self validateTouchID];
                            }
                                break;
                            default:
                                break;
                        }
                    }
                    else {
                        [[NSNotificationCenter defaultCenter] postNotificationName:JZValidateTouchIDSuccess object:nil];
                    }
                });
            }];
        }
        else {
            [context evaluatePolicy:LAPolicyDeviceOwnerAuthenticationWithBiometrics localizedReason:@"指纹解锁" reply:^(BOOL success, NSError * _Nullable error) {
                dispatch_async(dispatch_get_main_queue(), ^{
                    if (error) {
                        switch (error.code) {
                            case LAErrorAuthenticationFailed:
                                [[NSNotificationCenter defaultCenter] postNotificationName:JZValidateTouchIDFailure object:nil];
                                break;
                            case LAErrorUserCancel:
                                [[NSNotificationCenter defaultCenter] postNotificationName:JZValidateTouchIDCancel object:nil];
                                break;
                            case LAErrorUserFallback:
                                [[NSNotificationCenter defaultCenter] postNotificationName:JZValidateTouchIDUserFallback object:nil];
                                break;
                            case LAErrorSystemCancel:
                                [[NSNotificationCenter defaultCenter] postNotificationName:JZValidateTouchIDCancel object:nil];
                                break;
                            case LAErrorPasscodeNotSet:
                                [[NSNotificationCenter defaultCenter] postNotificationName:JZValidateTouchIDPasscodeNotSet object:nil];
                                break;
                            case LAErrorTouchIDNotAvailable:
                                [[NSNotificationCenter defaultCenter] postNotificationName:JZValidateTouchIDNotAvailable object:nil];
                                break;
                            case LAErrorTouchIDNotEnrolled:
                                [[NSNotificationCenter defaultCenter] postNotificationName:JZValidateTouchIDNotEnrolled object:nil];
                                break;
                            default:
                                break;
                        }
                    }
                    else {
                        [[NSNotificationCenter defaultCenter] postNotificationName:JZValidateTouchIDSuccess object:nil];
                    }
                });
            }];
        }
    }
}

@end