//
// MPIOSViewController.m
// mp_ios_runtime
//
// Created by PonyCui on 2021年6月18日.
// Copyright © 2021 MPFlutter. All rights reserved.
//

#import "MPIOSViewController.h"
#import "MPIOSEngine+Private.h"
#import "MPIOSRouter.h"

@interface MPIOSViewController ()

@property (nonatomic, strong) MPIOSPage *page;
@property (nonatomic, assign) CGRect lastViewBounds;
@property (nonatomic, assign) BOOL firstShowed;

@end

@implementation MPIOSViewController

- (void)dealloc {
 if (self.engine != nil && self.page.viewId != nil) {
 [self.engine.managedViews removeObjectForKey:self.page.viewId];
 }
}

- (void)viewDidLoad {
 [super viewDidLoad];
 self.edgesForExtendedLayout = UIRectEdgeNone;
 self.view.backgroundColor = [UIColor whiteColor];
 self.lastViewBounds = self.view.bounds;
 self.page = [[MPIOSPage alloc] initWithRootView:self.view
 engine:self.engine
 initialRoute:self.initialRouteName
 initialParams:self.initialRouteParams];
}

- (void)viewDidAppear:(BOOL)animated {
 [super viewDidAppear:animated];
 if (self.firstShowed) {
 MPIOSEngine *engine = self.engine;
 if (engine != nil) {
 [engine.router triggerPop:self.page.viewId];
 }
 }
 else {
 self.firstShowed = YES;
 }
}

- (void)viewDidDisappear:(BOOL)animated {
 [super viewDidDisappear:animated];
 if (self.parentViewController == nil) {
 MPIOSEngine *engine = self.engine;
 if (engine != nil) {
 [engine.router dispose:self.page.viewId];
 }
 }
}

- (void)viewWillLayoutSubviews {
 [super viewWillLayoutSubviews];
 if (!CGRectEqualToRect(self.lastViewBounds, self.view.bounds) && self.page.viewId != nil) {
 self.lastViewBounds = self.view.bounds;
 [self.engine.router updateRouteViewport:self.page.viewId viewport:self.view.bounds.size];
 }
}

- (void)onReachBottom {
 [self.page onReachBottom];
}

- (void)onPageScroll:(double)scrollTop {
 [self.page onPageScroll:scrollTop];
}

- (id)copy {
 MPIOSViewController *copyInstance = [[self class] new];
 copyInstance.engine = self.engine;
 copyInstance.initialRouteName = self.initialRouteName;
 copyInstance.initialRouteParams = self.initialRouteParams;
 return copyInstance;
}

@end