//
//  MapViewController.m
//  AppGyver
//
//  Created by Rafael on 6/03/14.
//  Copyright (c) 2014 AppGyver Inc. All rights reserved.
//

#import "MapViewController.h"

@implementation MapMarkerOptions

@synthesize title, subtitle, center;

+(NSArray *)markerOptionsFromList:(NSArray *)list {
    NSMutableArray *result = [NSMutableArray new];

    for(NSDictionary *dict in list){

        id latitude = [dict valueForKeyPath:@"latitude"] ;
        id longitude = [dict valueForKeyPath:@"longitude"] ;

        if(latitude && longitude){
            //all these values are required to create a region

            MapMarkerOptions *mapMarkerOptions = [MapMarkerOptions new];

            //center
            mapMarkerOptions.center = CLLocationCoordinate2DMake([latitude doubleValue], [longitude doubleValue]);

            mapMarkerOptions.title = [dict valueForKeyPath:@"title"];
            mapMarkerOptions.subtitle = [dict valueForKeyPath:@"subtitle"];

            [result addObject:mapMarkerOptions];
        }
    }
    return result;
}

@end

@implementation MapOptions

@synthesize mapType,
            region,
            regionSet,
            centerSet,
            center,
            showsUserLocation;

+(MapOptions *)optionsFromDictionary:(NSDictionary *)dict {

    MapOptions *options = [MapOptions new];

    //if there is not map options return an empty mapOptions
    if(!dict){
        return options;
    }

    //MapType
    NSString *mapTypeValue = [[NSString stringWithString:[dict valueForKeyPath:@"mapType"]] lowercaseString];

    if([@"satellite" isEqualToString:mapTypeValue]){
        options.mapType = MKMapTypeSatellite;
    }
    else if([@"hybrid" isEqualToString:mapTypeValue]){
        options.mapType = MKMapTypeHybrid;
    }
    else {
        //default value
        options.mapType = MKMapTypeStandard;
    }

    //parse the region parameter

    //center
    id latitude = [dict valueForKeyPath:@"region.center.latitude"] ;
    id longitude = [dict valueForKeyPath:@"region.center.longitude"] ;

    //span
    id latitudinalMeters = [dict valueForKeyPath:@"region.span.latitudinalMeters"] ;
    id longitudinalMeters = [dict valueForKeyPath:@"region.span.longitudinalMeters"] ;

    if(latitude && longitude){
        //all these values are required to create a region

        //center
        options.center = CLLocationCoordinate2DMake([latitude doubleValue], [longitude doubleValue]);
        options.centerSet = YES;
    }
    if(latitudinalMeters && longitudinalMeters){
        //region
        options.region = MKCoordinateRegionMakeWithDistance(options.center, [latitudinalMeters doubleValue], [longitudinalMeters doubleValue]);
        options.regionSet = YES;
    }

    // Set to YES to add the user location annotation to the map and start updating its location
    //showsUserLocation
    id showsUserLocation = [dict valueForKeyPath:@"showsUserLocation"] ;
    if(showsUserLocation){
        options.showsUserLocation  = [showsUserLocation boolValue];
    }

    return options;
}

-(void)copyOptions:(MapOptions*) options{
    if(options.mapType){
        self.mapType = options.mapType;
    }
    if(options.regionSet){
        self.region = options.region;
    }
    if(options.centerSet){
        self.center = options.center;
    }
    self.showsUserLocation = options.showsUserLocation;
}

@end

@interface MapViewController ()

//holds the markers that will be displayed on the map
@property (nonatomic, strong) NSMutableArray *markersToBeDisplayed;

@end

@implementation MapViewController

@synthesize mapView, viewDisplayed, latestOptionsApplied, mapOptions = _mapOptions, markersToBeDisplayed;

+(MapViewController*)controllerWithURL:(NSURL*)url mapOptions:(MapOptions*)options{
    MapViewController *controller = [[ MapViewController alloc ] initWithNibName:NULL bundle:NULL ];
    controller.startURL = url;

    controller.mapOptions = options;

    return controller;
}

- (void)viewDidLoad
{
    [super viewDidLoad];

    if(!self.mapView){
        // create the map view
        self.mapView = [[MKMapView alloc] initWithFrame:self.view.frame];

        //configure the transparency of the webview
        //and disable the interaction.. so all events are handled in the mapview
        self.webView.opaque = NO;
        self.webView.backgroundColor = [UIColor clearColor];
        self.webView.userInteractionEnabled = NO;

        //add as a subview
        [self.view insertSubview:self.mapView belowSubview:self.webView];
        [self.view setupAutoRotateSubViewConstraints:self.mapView];
    }

    [self applyMapOptions];

    [self applyMarkers];

    self.viewDisplayed = YES;

}

-(void) applyMapOptions {

    if(self.latestOptionsApplied){
        return;
    }

    self.mapView.mapType = self.mapOptions.mapType;

    if(self.mapOptions.regionSet){
        self.mapView.region = self.mapOptions.region;
    }

    if(self.mapOptions.centerSet){
        [self.mapView setCenterCoordinate:self.mapOptions.center];
    }

    self.mapView.showsUserLocation = self.mapOptions.showsUserLocation;

    self.latestOptionsApplied = YES;
}

-(void) addMarkers:(NSArray *)markers{

    if(!markersToBeDisplayed){
        markersToBeDisplayed = [NSMutableArray new];
    }

    [markersToBeDisplayed addObjectsFromArray:markers];

    if(viewDisplayed){
        [self applyMarkers];
    }
}

-(void) applyMarkers {

    if(!markersToBeDisplayed){
        return;
    }

    for(MapMarkerOptions *markerOptions in markersToBeDisplayed){
        MKPointAnnotation *marker = [MKPointAnnotation new];

        marker.coordinate = markerOptions.center;
        marker.title = markerOptions.title;
        marker.subtitle = markerOptions.subtitle;

        [self.mapView addAnnotation:marker];
    }

    [markersToBeDisplayed removeAllObjects];
    markersToBeDisplayed = nil;
}

-(void) setMapOptions:(MapOptions *)options{

    if(_mapOptions){
        [_mapOptions copyOptions:options];
    }
    else{
        _mapOptions = options;
    }

    self.latestOptionsApplied = NO;

    if(viewDisplayed){
        [self applyMapOptions];
    }
}

-(void)die {
    //TODO THIS IZ HOERRILBE

    if ([self viewDestroyed])
        return;

    [self setViewDestroyed:YES];

    for (UIView *view in [self.view subviews]) {
        [view removeFromSuperview];
    }

    for (CDVPlugin *plugin in [self.pluginObjects allValues]) {
        [plugin onReset];
        [plugin dispose];
    }
    [self.pluginObjects removeAllObjects];

    ApplicationViewController *root = (ApplicationViewController*)[[ApplicationManager instance] currentRootViewController];
    if (root) {
        [[root allWebViewControllers] removeObjectForKey:[self uniqueIdentifier]];
    }
}

@end