#import "SHRMWebViewHandleFactory.h"

#import "SHRMMsgCommand.h"

#import "SHRMWebViewEngine.h"

#import <objc/message.h>

@implementation SHRMWebViewHandleFactory {

__weak SHRMWebViewEngine *_webViewEngine;

}

- (instancetype)initWithWebViewEngine:(SHRMWebViewEngine *)webViewEngine {

if (self = [super init]) {

_webViewEngine = webViewEngine;

}

return self;

}

- (void)handleMsgCommand:(NSArray *)arguments {

[self handleCommand:arguments];

}

#pragma mark - handle

- (void)handleCommand:(NSArray *)commandArray {

if (commandArray.count > 0) {

[self executePending:commandArray];

}

}

- (void)executePending:(NSArray *)command {

SHRMMsgCommand *msgCommand = [SHRMMsgCommand commandFromJson:command];

if (![self execute:msgCommand]) {

NSLog(@"%@.%@ execute fail",msgCommand.className, msgCommand.methodName);

}

}

- (BOOL)execute:(SHRMMsgCommand *)command {

if (command.className == nil || command.methodName == nil) {

NSLog(@"ERROR: Classname and/or methodName not found for command.");

return NO;

}

BOOL retVal = YES;

double started = [[NSDate date] timeIntervalSince1970] * 1000.0;

SHRMBasePlugin *instance = [_webViewEngine.commandDelegate getCommandInstance:command.className];

if (!([instance isKindOfClass:[SHRMBasePlugin class]])) {

NSLog(@"ERROR: Plugin '%@' not found, or is not a Plugin. Check your plugin mapping in config.xml.", command.className);

return NO;

}

NSString* methodName = [NSString stringWithFormat:@"%@:", command.methodName];

SEL normalSelector = NSSelectorFromString(methodName);

if ([instance respondsToSelector:normalSelector]) {

((void (*)(id, SEL, id))objc_msgSend)(instance, normalSelector, command);

} else {

NSLog(@"ERROR: Method '%@' not defined in Plugin '%@'", methodName, command.className);

retVal = NO;

}

double elapsed = [[NSDate date] timeIntervalSince1970] * 1000.0 - started;

if (elapsed > 10) {

NSLog(@"THREAD WARNING: ['%@'] took '%f' ms. Plugin should use a background thread.", command.className, elapsed);

}

return retVal;

}

- (void)dealloc {

_webViewEngine = nil;

}