//
//  ImageHeadlineBody.swift
//  MVMCoreUI
//
//  Created by Scott Pfeil on 8/1/19.
//  Copyright © 2019 Verizon Wireless. All rights reserved.
//

import UIKit

@objcMembers open class ImageHeadlineBody: ViewConstrainingView {
    let headlineBody = HeadlineBody(frame: .zero)
    let imageView = MFLoadImageView()
    var constraintBetweenImageLabelsConstant: CGFloat = 16
    var constraintBetweenImageLabels: NSLayoutConstraint?
    
    // MARK: - MFViewProtocol

    open override func setupView() {
        guard subviews.count == 0 else {
            return
        }
        MVMCoreUIUtility.setMarginsFor(self, leading: 0, top: 0, trailing: 0, bottom: 0)
        headlineBody.headlineLabel.styleB1(true)
        headlineBody.spaceBetweenLabelsConstant = 0
        addSubview(headlineBody)
        addSubview(imageView)
        
        NSLayoutConstraint.pinViewTop(toSuperview: headlineBody, useMargins: true, constant: 0).isActive = true
        NSLayoutConstraint.pinViewRight(toSuperview: headlineBody, useMargins: true, constant: 0).isActive = true
        layoutMarginsGuide.bottomAnchor.constraint(greaterThanOrEqualTo: headlineBody.bottomAnchor).isActive = true
        var constraint = NSLayoutConstraint.pinViewBottom(toSuperview: headlineBody, useMargins: true, constant: 0)
        constraint.priority = .defaultLow
        constraint.isActive = true
        
        imageView.centerYAnchor.constraint(equalTo: centerYAnchor).isActive = true
        NSLayoutConstraint.pinViewLeft(toSuperview: imageView, useMargins: true, constant: 0).isActive = true
        imageView.topAnchor.constraint(greaterThanOrEqualTo: layoutMarginsGuide.topAnchor).isActive = true
        layoutMarginsGuide.bottomAnchor.constraint(greaterThanOrEqualTo: imageView.bottomAnchor).isActive = true
        constraint = NSLayoutConstraint.pinViewBottom(toSuperview: imageView, useMargins: true, constant: 0)
        constraint.priority = UILayoutPriority(rawValue: 200)
        constraint.isActive = true
        constraint = NSLayoutConstraint.pinViewTop(toSuperview: imageView, useMargins: true, constant: 0)
        constraint.priority = UILayoutPriority(rawValue: 200)
        constraint.isActive = true
        
        constraintBetweenImageLabels = headlineBody.leadingAnchor.constraint(equalTo: imageView.trailingAnchor, constant: constraintBetweenImageLabelsConstant)
        constraintBetweenImageLabels?.isActive = true
    }
    
    open override func updateView(_ size: CGFloat) {
        super.updateView(size)
        headlineBody.updateView(size)
        imageView.updateView(size)
    }
    
    // MARK: - MVMCoreUIMoleculeViewProtocol
    
    open override func setWithJSON(_ json: [AnyHashable : Any]?, delegateObject: MVMCoreUIDelegateObject?, additionalData: [AnyHashable : Any]?) {
        super.setWithJSON(json, delegateObject: delegateObject, additionalData: additionalData)
        headlineBody.setWithJSON(json?.optionalDictionaryForKey("headlineBody"), delegateObject: delegateObject, additionalData: additionalData)
        
        let imageJSON = json?.optionalDictionaryForKey("image")
        imageView.setWithJSON(imageJSON, delegateObject: delegateObject, additionalData: additionalData)
        constraintBetweenImageLabels?.constant = imageJSON != nil ? constraintBetweenImageLabelsConstant : 0
    }
    
    open override func setAsMolecule() {
        super.setAsMolecule()
        headlineBody.setAsMolecule()
        imageView.setAsMolecule()
    }
    
    open override func reset() {
        super.reset()
        headlineBody.reset()
        headlineBody.headlineLabel.styleB1(true)
        headlineBody.spaceBetweenLabelsConstant = 0
        imageView.reset()
    }
    
    public override static func estimatedHeight(forRow json: [AnyHashable : Any]?, delegateObject: MVMCoreUIDelegateObject?) -> CGFloat {
        return 95
    }
}