//
//  MTCameraTools.m
//  Meet
//
//  Created by ko1o on 2018/10/9.
//  Copyright © 2018年 ko1o. All rights reserved.
//

#import "MTCameraTools.h"
#import <AVFoundation/AVFoundation.h>
#import "TZImagePickerController.h"

@implementation MTCameraTools


+ (instancetype)sharedInstance
{
    static MTCameraTools * tool;
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        tool = [MTCameraTools new];
    });
    return tool;
}
+ (void)isCameraAuthorized:(void(^)(BOOL authorized))completion
{
    AVAuthorizationStatus authStatus = [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo];
    if ((authStatus == AVAuthorizationStatusRestricted || authStatus ==AVAuthorizationStatusDenied)) {
        
        NSDictionary *infoDict = [TZCommonTools tz_getInfoDictionary];
        // 无权限 做一个友好的提示
        NSString *appName = [infoDict valueForKey:@"CFBundleDisplayName"];
        if (!appName) appName = [infoDict valueForKey:@"CFBundleName"];
        dispatch_async(dispatch_get_main_queue(), ^{
            if (completion) {
                completion(NO);
            }
        });
        
        NSString *message = [NSString stringWithFormat:[NSBundle tz_localizedStringForKey:@"Please allow %@ to access your camera in \"Settings -> Privacy -> Camera\""],appName];
        UIAlertView *alert = [[UIAlertView alloc] initWithTitle:[NSBundle tz_localizedStringForKey:@"Can not use camera"]
                                                        message:message
                                                       delegate:[MTCameraTools sharedInstance]
                                              cancelButtonTitle:[NSBundle tz_localizedStringForKey:@"Cancel"]
                                              otherButtonTitles:[NSBundle tz_localizedStringForKey:@"Setting"], nil];
        [alert show];
     
    } else if (authStatus == AVAuthorizationStatusNotDetermined) {
        // fix issue 466, 防止用户首次拍照拒绝授权时相机页黑屏
        [AVCaptureDevice requestAccessForMediaType:AVMediaTypeVideo completionHandler:^(BOOL granted) {
            dispatch_async(dispatch_get_main_queue(), ^{
                if (completion) {
                    completion(granted);
                }
            });
        }];
    } else {
        dispatch_async(dispatch_get_main_queue(), ^{
            if (completion) {
                completion(YES);
            }
        });
    }
}


- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex {
    if (buttonIndex == 1) { // 去设置界面，开启访问权限
        [[UIApplication sharedApplication] openURL:[NSURL URLWithString:UIApplicationOpenSettingsURLString]];
    }
}


+ (void)isMicrophoneAuthorized:(void(^)(BOOL authorized,BOOL thisTimeDetermined))completion
{
    AVAuthorizationStatus authStatus = [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeAudio];
    if ((authStatus == AVAuthorizationStatusRestricted || authStatus ==AVAuthorizationStatusDenied)) {
        
        NSDictionary *infoDict = [TZCommonTools tz_getInfoDictionary];
        // 无权限 做一个友好的提示
        NSString *appName = [infoDict valueForKey:@"CFBundleDisplayName"];
        if (!appName) appName = [infoDict valueForKey:@"CFBundleName"];
        dispatch_async(dispatch_get_main_queue(), ^{
            if (completion) {
                completion(NO,NO);
            }
        });
        
        NSString *message = [NSString stringWithFormat:[NSBundle tz_localizedStringForKey:@"Please allow %@ to access your microphone in \"Settings -> Privacy -> Microphone\""],appName];
        UIAlertView *alert = [[UIAlertView alloc] initWithTitle:[NSBundle tz_localizedStringForKey:@"Can not use microphone"]
                                                        message:message
                                                       delegate:[MTCameraTools sharedInstance]
                                              cancelButtonTitle:[NSBundle tz_localizedStringForKey:@"Cancel"]
                                              otherButtonTitles:[NSBundle tz_localizedStringForKey:@"Setting"], nil];
        [alert show];
        
    } else if (authStatus == AVAuthorizationStatusNotDetermined) {
        // fix issue 466, 防止用户首次拍照拒绝授权时相机页黑屏
        [AVCaptureDevice requestAccessForMediaType:AVMediaTypeAudio completionHandler:^(BOOL granted) {
            dispatch_async(dispatch_get_main_queue(), ^{
                if (completion) {
                    completion(granted,YES);
                }
            });
        }];
    } else {
        dispatch_async(dispatch_get_main_queue(), ^{
            if (completion) {
                completion(YES,NO);
            }
        });
    }
}

@end