import Foundation
import UIKit
import Display
import AppBundle

private let gradientImage = UIImage(bundleImageName: "Item List/Icons/Gradient")
private let backdropImage = UIImage(bundleImageName: "Item List/Icons/Backdrop")
public func renderSettingsIcon(name: String, scaleFactor: CGFloat = 1.0, backgroundColors: [UIColor]? = nil) -> UIImage? {
    return generateImage(CGSize(width: 30.0, height: 30.0), contextGenerator: { size, context in
        let bounds = CGRect(origin: CGPoint(), size: size)
        context.clear(bounds)
        
        if let backgroundColors {
            var locations: [CGFloat] = [0.0, 1.0]
            let colors: [CGColor] = backgroundColors.map(\.cgColor)
            
            let colorSpace = CGColorSpaceCreateDeviceRGB()
            let gradient = CGGradient(colorsSpace: colorSpace, colors: colors as CFArray, locations: &locations)!
            
            context.drawLinearGradient(gradient, start: CGPoint(x: size.width, y: size.height), end: CGPoint(x: 0.0, y: 0.0), options: CGGradientDrawingOptions())
            
            if let gradientImage, let cgImage = gradientImage.cgImage {
                context.setBlendMode(.plusLighter)
                context.draw(cgImage, in: CGRect(origin: .zero, size: size))
            }
            
            if let backdropImage, let cgImage = backdropImage.cgImage {
                context.setBlendMode(.overlay)
                context.draw(cgImage, in: CGRect(origin: CGPoint(x: 0.0, y: 0.0), size: size))
            }
                        
            context.setBlendMode(.normal)
            
            if let image = UIImage(bundleImageName: name), let maskImage = image.cgImage {
                let imageSize = CGSize(width: image.size.width * scaleFactor, height: image.size.height * scaleFactor)
                let imageRect = CGRect(origin: CGPoint(x: (bounds.width - imageSize.width) * 0.5, y: (bounds.height - imageSize.height) * 0.5), size: imageSize)
                
                context.saveGState()
                context.clip(to: imageRect, mask: maskImage)
                context.setFillColor(UIColor.white.cgColor)
                context.fill(imageRect)
                context.restoreGState()
            }
            
            let outerPath = UIBezierPath(rect: CGRect(origin: .zero, size: size))
            let innerPath = UIBezierPath(roundedRect: CGRect(origin: .zero, size: size), cornerRadius: 8.0)
            outerPath.append(innerPath)

            context.saveGState()
            outerPath.usesEvenOddFillRule = true
            context.addPath(outerPath.cgPath)
            context.clip(using: .evenOdd)

            context.setBlendMode(.clear)
            context.fill(CGRect(origin: .zero, size: size))
            context.restoreGState()
        } else {
            if let image = UIImage(bundleImageName: name), let cgImage = image.cgImage {
                let imageSize: CGSize
                if scaleFactor == 1.0 {
                    imageSize = size
                } else {
                    imageSize = CGSize(width: image.size.width * scaleFactor, height: image.size.height * scaleFactor)
                }
                context.draw(cgImage, in: CGRect(origin: CGPoint(x: (bounds.width - imageSize.width) * 0.5, y: (bounds.height - imageSize.height) * 0.5), size: imageSize))
            }
        }
    })
}

public func renderAttachAppIcon(iconImage: UIImage?) -> UIImage? {
    return generateImage(CGSize(width: 30.0, height: 30.0), contextGenerator: { size, context in
        let bounds = CGRect(origin: CGPoint(), size: size)
        context.clear(bounds)
                
        if let iconImage, let cgImage = iconImage.cgImage {
            context.draw(cgImage, in: CGRect(origin: .zero, size: size))
        }

        if let gradientImage, let cgImage = gradientImage.cgImage {
            context.saveGState()
            context.setBlendMode(.plusLighter)
            context.draw(cgImage, in: CGRect(origin: .zero, size: size))
            context.restoreGState()
        }
        
        if let backdropImage, let cgImage = backdropImage.cgImage {
            context.saveGState()
            context.setBlendMode(.overlay)
            context.draw(cgImage, in: CGRect(origin: CGPoint(x: 0.0, y: 0.0), size: size))
            context.restoreGState()
        }
        
        let outerPath = UIBezierPath(rect: CGRect(origin: .zero, size: size))
        let innerPath = UIBezierPath(roundedRect: CGRect(origin: .zero, size: size), cornerRadius: 8.0)
        outerPath.append(innerPath)

        context.saveGState()
        outerPath.usesEvenOddFillRule = true
        context.addPath(outerPath.cgPath)
        context.clip(using: .evenOdd)

        context.setBlendMode(.clear)
        context.fill(CGRect(origin: .zero, size: size))
        context.restoreGState()
    })
}

let colorRed = UIColor(rgb: 0xFF453A)
let colorGreen = UIColor(rgb: 0x34C759)
let colorBlue = UIColor(rgb: 0x0079ff)
let colorLightBlue = UIColor(rgb: 0x32ADE6)
let colorTeal = UIColor(rgb: 0x00c7be)
let colorOrange = UIColor(rgb: 0xFF9F0A)
let colorPurple = UIColor(rgb: 0xAF52DE)
let colorGray = UIColor(rgb: 0x8E8E93)
let colorViolet = UIColor(rgb: 0x5E5CE6)

public struct PresentationResourcesSettings {
    public static let proxy = renderSettingsIcon(name: "Item List/Icons/Proxy", backgroundColors: [colorGreen])
    public static let savedMessages = renderSettingsIcon(name: "Item List/Icons/SavedMessages", backgroundColors: [colorBlue])
    public static let recentCalls = renderSettingsIcon(name: "Item List/Icons/Phone", backgroundColors: [colorGreen])
    public static let devices = renderSettingsIcon(name: "Item List/Icons/Devices", backgroundColors: [colorOrange])
    public static let chatFolders = renderSettingsIcon(name: "Item List/Icons/Folder", backgroundColors: [colorLightBlue])
    public static let stickers = renderSettingsIcon(name: "Item List/Icons/Sticker", backgroundColors: [colorOrange])
    public static let notifications = renderSettingsIcon(name: "Item List/Icons/Notifications", backgroundColors: [colorRed])
    public static let security = renderSettingsIcon(name: "Item List/Icons/Privacy", backgroundColors: [colorGray])
    public static let dataAndStorage = renderSettingsIcon(name: "Item List/Icons/Data", backgroundColors: [colorGreen])
    public static let appearance = renderSettingsIcon(name: "Item List/Icons/Appearance", backgroundColors: [colorLightBlue])
    public static let language = renderSettingsIcon(name: "Item List/Icons/Language", backgroundColors: [colorPurple])
    public static let powerSaving = renderSettingsIcon(name: "Item List/Icons/PowerSaving", backgroundColors: [colorOrange])
    public static let business = renderSettingsIcon(name: "Item List/Icons/Business", backgroundColors: [UIColor(rgb: 0xA95CE3), UIColor(rgb: 0xF16B80)])
    public static let myProfile = renderSettingsIcon(name: "Item List/Icons/Profile", backgroundColors: [colorRed])
    public static let winterGram = renderSettingsIcon(name: "Item List/Icons/WinterGram", backgroundColors: [colorLightBlue])

    public static let birthday = renderSettingsIcon(name: "Item List/Icons/Cake", backgroundColors: [colorBlue])
    public static let aiTools = renderSettingsIcon(name: "Item List/Icons/AITools", backgroundColors: [colorPurple])
    public static let yourColor = renderSettingsIcon(name: "Item List/Icons/Brush", backgroundColors: [colorLightBlue])
    
    public static let storageUsage = renderSettingsIcon(name: "Item List/Icons/Pie", backgroundColors: [colorOrange])
    public static let dataUsage = renderSettingsIcon(name: "Item List/Icons/Stats", backgroundColors: [colorPurple])
    
    public static let cellular = renderSettingsIcon(name: "Item List/Icons/Cellular", backgroundColors: [colorGreen])
    public static let wifi = renderSettingsIcon(name: "Item List/Icons/Wifi", backgroundColors: [colorBlue])
    
    public static let privateChats = renderSettingsIcon(name: "Item List/Icons/Member", backgroundColors: [colorBlue])
    public static let groups = renderSettingsIcon(name: "Item List/Icons/Group", backgroundColors: [colorGreen])
    public static let channels = renderSettingsIcon(name: "Item List/Icons/Channel", backgroundColors: [colorOrange])
    public static let stories = renderSettingsIcon(name: "Item List/Icons/Stories", backgroundColors: [colorViolet])
    public static let reactions = renderSettingsIcon(name: "Item List/Icons/Reactions", backgroundColors: [UIColor(rgb: 0xFF2D55)])
    
    public static let photos = renderSettingsIcon(name: "Item List/Icons/Photo", backgroundColors: [colorOrange])
    public static let videos = renderSettingsIcon(name: "Item List/Icons/Video", backgroundColors: [colorRed])
    public static let files = renderSettingsIcon(name: "Item List/Icons/File", backgroundColors: [colorBlue])
    public static let gifs = renderSettingsIcon(name: "Item List/Icons/Gif", backgroundColors: [colorOrange])
    public static let stickersGreen = renderSettingsIcon(name: "Item List/Icons/Sticker", backgroundColors: [colorGreen])
    public static let emoji = renderSettingsIcon(name: "Item List/Icons/Emoji", backgroundColors: [colorLightBlue])
    public static let emojiTeal = renderSettingsIcon(name: "Item List/Icons/Emoji", backgroundColors: [colorTeal])
    public static let archivedSticker = renderSettingsIcon(name: "Item List/Icons/ArchivedSticker", backgroundColors: [colorGreen])
    public static let trendingSticker = renderSettingsIcon(name: "Item List/Icons/TrendingSticker", backgroundColors: [colorOrange])
    public static let effects = renderSettingsIcon(name: "Item List/Icons/Effect", backgroundColors: [colorLightBlue])
    public static let photosBlue = renderSettingsIcon(name: "Item List/Icons/Photo", backgroundColors: [colorBlue])
    public static let clock = renderSettingsIcon(name: "Item List/Icons/Clock", backgroundColors: [colorPurple])
    public static let photosLightBlue = renderSettingsIcon(name: "Item List/Icons/Photo", backgroundColors: [colorLightBlue])
    public static let videosBlue = renderSettingsIcon(name: "Item List/Icons/Video", backgroundColors: [colorBlue])
    
    public static let block = renderSettingsIcon(name: "Item List/Icons/Block", backgroundColors: [colorRed])
    public static let activeSessions = renderSettingsIcon(name: "Item List/Icons/Language", backgroundColors: [colorBlue])
    public static let faceId = renderSettingsIcon(name: "Item List/Icons/FaceId", backgroundColors: [colorGreen])
    public static let lockOrange = renderSettingsIcon(name: "Item List/Icons/Privacy", backgroundColors: [colorOrange])
    public static let passkeys = renderSettingsIcon(name: "Item List/Icons/Key", backgroundColors: [colorViolet])
    public static let timer = renderSettingsIcon(name: "Item List/Icons/Timer", backgroundColors: [colorPurple])
    public static let email = renderSettingsIcon(name: "Item List/Icons/Email", backgroundColors: [colorViolet])
        
    public static let premium = generateImage(CGSize(width: 30.0, height: 30.0), contextGenerator: { size, context in
        let bounds = CGRect(origin: CGPoint(), size: size)
        context.clear(bounds)
                
        let colorsArray: [CGColor] = [
            UIColor(rgb: 0x6b93ff).cgColor,
            UIColor(rgb: 0x6b93ff).cgColor,
            UIColor(rgb: 0x8d77ff).cgColor,
            UIColor(rgb: 0xb56eec).cgColor,
            UIColor(rgb: 0xb56eec).cgColor
        ]
        var locations: [CGFloat] = [0.0, 0.15, 0.5, 0.85, 1.0]
        let gradient = CGGradient(colorsSpace: deviceColorSpace, colors: colorsArray as CFArray, locations: &locations)!
        context.drawLinearGradient(gradient, start: CGPoint(x: 0.0, y: 0.0), end: CGPoint(x: size.width, y: size.height), options: CGGradientDrawingOptions())
        
        if let gradientImage, let cgImage = gradientImage.cgImage {
            context.setBlendMode(.plusLighter)
            context.draw(cgImage, in: CGRect(origin: .zero, size: size))
        }
        
        if let backdropImage, let cgImage = backdropImage.cgImage {
            context.setBlendMode(.overlay)
            context.draw(cgImage, in: CGRect(origin: CGPoint(x: 0.0, y: 0.0), size: size))
        }
        
        context.setBlendMode(.normal)
        
        if let image = generateTintedImage(image: UIImage(bundleImageName: "Item List/Icons/Premium"), color: UIColor(rgb: 0xffffff)), let cgImage = image.cgImage {
            context.draw(cgImage, in: CGRect(origin: CGPoint(x: floorToScreenPixels((bounds.width - image.size.width) / 2.0), y: floorToScreenPixels((bounds.height - image.size.height) / 2.0)), size: image.size))
        }
        
        let outerPath = UIBezierPath(rect: CGRect(origin: .zero, size: size))
        let innerPath = UIBezierPath(roundedRect: CGRect(origin: .zero, size: size), cornerRadius: 8.0)
        outerPath.append(innerPath)

        context.saveGState()
        outerPath.usesEvenOddFillRule = true
        context.addPath(outerPath.cgPath)
        context.clip(using: .evenOdd)

        context.setBlendMode(.clear)
        context.fill(CGRect(origin: .zero, size: size))
        context.restoreGState()
    })
    
    public static let ton = renderSettingsIcon(name: "Ads/TonAbout", backgroundColors: [UIColor(rgb: 0x32ade6)])
 
    public static let stars = generateImage(CGSize(width: 30.0, height: 30.0), contextGenerator: { size, context in
        let bounds = CGRect(origin: CGPoint(), size: size)
        context.clear(bounds)
        
        let colorsArray: [CGColor] = [
            UIColor(rgb: 0xfec80f).cgColor,
            UIColor(rgb: 0xdd6f12).cgColor
        ]
        var locations: [CGFloat] = [0.0, 1.0]
        let gradient = CGGradient(colorsSpace: deviceColorSpace, colors: colorsArray as CFArray, locations: &locations)!

        context.drawLinearGradient(gradient, start: CGPoint(x: 0.0, y: 0.0), end: CGPoint(x: size.width, y: size.height), options: CGGradientDrawingOptions())
        
        if let gradientImage, let cgImage = gradientImage.cgImage {
            context.setBlendMode(.plusLighter)
            context.draw(cgImage, in: CGRect(origin: .zero, size: size))
        }
        
        if let backdropImage, let cgImage = backdropImage.cgImage {
            context.setBlendMode(.overlay)
            context.draw(cgImage, in: CGRect(origin: CGPoint(x: 0.0, y: 0.0), size: size))
        }
        
        context.setBlendMode(.normal)
        
        if let image = generateTintedImage(image: UIImage(bundleImageName: "Item List/Icons/Stars"), color: UIColor(rgb: 0xffffff)), let cgImage = image.cgImage {
            context.draw(cgImage, in: CGRect(origin: CGPoint(x: floorToScreenPixels((bounds.width - image.size.width) / 2.0), y: floorToScreenPixels((bounds.height - image.size.height) / 2.0)), size: image.size))
        }
        
        let outerPath = UIBezierPath(rect: CGRect(origin: .zero, size: size))
        let innerPath = UIBezierPath(roundedRect: CGRect(origin: .zero, size: size), cornerRadius: 8.0)
        outerPath.append(innerPath)

        context.saveGState()
        outerPath.usesEvenOddFillRule = true
        context.addPath(outerPath.cgPath)
        context.clip(using: .evenOdd)

        context.setBlendMode(.clear)
        context.fill(CGRect(origin: .zero, size: size))
        context.restoreGState()
    })
    
    public static let premiumGift = generateImage(CGSize(width: 30.0, height: 30.0), contextGenerator: { size, context in
        let bounds = CGRect(origin: CGPoint(), size: size)
        context.clear(bounds)
        
        let colorsArray: [CGColor] = [
            UIColor(rgb: 0x3ba1f2).cgColor,
            UIColor(rgb: 0x3ba1f2).cgColor,
            UIColor(rgb: 0x39b3b4).cgColor,
            UIColor(rgb: 0x34c27d).cgColor,
            UIColor(rgb: 0x34c27d).cgColor
        ]
        var locations: [CGFloat] = [0.0, 0.15, 0.5, 0.85, 1.0]
        let gradient = CGGradient(colorsSpace: deviceColorSpace, colors: colorsArray as CFArray, locations: &locations)!
        context.drawLinearGradient(gradient, start: CGPoint(x: 0.0, y: 0.0), end: CGPoint(x: size.width, y: size.height), options: CGGradientDrawingOptions())
        
        if let gradientImage, let cgImage = gradientImage.cgImage {
            context.setBlendMode(.plusLighter)
            context.draw(cgImage, in: CGRect(origin: .zero, size: size))
        }
        
        if let backdropImage, let cgImage = backdropImage.cgImage {
            context.setBlendMode(.overlay)
            context.draw(cgImage, in: CGRect(origin: CGPoint(x: 0.0, y: 0.0), size: size))
        }
        
        context.setBlendMode(.normal)
        
        if let image = generateTintedImage(image: UIImage(bundleImageName: "Item List/Icons/Gift"), color: UIColor(rgb: 0xffffff)), let cgImage = image.cgImage {
            context.draw(cgImage, in: CGRect(origin: CGPoint(x: floorToScreenPixels((bounds.width - image.size.width) / 2.0), y: floorToScreenPixels((bounds.height - image.size.height) / 2.0)), size: image.size))
        }
        
        let outerPath = UIBezierPath(rect: CGRect(origin: .zero, size: size))
        let innerPath = UIBezierPath(roundedRect: CGRect(origin: .zero, size: size), cornerRadius: 8.0)
        outerPath.append(innerPath)

        context.saveGState()
        outerPath.usesEvenOddFillRule = true
        context.addPath(outerPath.cgPath)
        context.clip(using: .evenOdd)

        context.setBlendMode(.clear)
        context.fill(CGRect(origin: .zero, size: size))
        context.restoreGState()
    })
    
    public static let bot = renderSettingsIcon(name: "Item List/Icons/Bot", backgroundColors: [colorBlue])

    public static let passport = renderAttachAppIcon(iconImage: UIImage(bundleImageName: "Settings/Menu/Passport"))
    public static let watch = renderAttachAppIcon(iconImage: UIImage(bundleImageName: "Settings/Menu/Watch"))
    
    public static let support = renderSettingsIcon(name: "Item List/Icons/Support", backgroundColors: [colorOrange])
    public static let faq = renderSettingsIcon(name: "Item List/Icons/Faq", backgroundColors: [colorLightBlue])
    public static let tips = renderSettingsIcon(name: "Item List/Icons/Tips", backgroundColors: [UIColor(rgb: 0xffcc02)])
        
    public static let changePhoneNumber = renderSettingsIcon(name: "Item List/Icons/ChangePhone", backgroundColors: [colorPurple])
    public static let deleteAddAccount = renderSettingsIcon(name: "Item List/Icons/Member", backgroundColors: [colorBlue])
    public static let deleteSetTwoStepAuth = renderSettingsIcon(name: "Item List/Icons/Key", backgroundColors: [colorViolet])
    public static let deleteChats = renderSettingsIcon(name: "Item List/Icons/Delete", backgroundColors: [colorRed])
    public static let clearSynced = renderSettingsIcon(name: "Item List/Icons/Group", backgroundColors: [colorOrange])
    
    public static let groupType = renderSettingsIcon(name: "Item List/Icons/Members", backgroundColors: [colorBlue])
    public static let channelType = renderSettingsIcon(name: "Item List/Icons/Channel", backgroundColors: [colorBlue])
    public static let chatHistory = renderSettingsIcon(name: "Item List/Icons/Chat", backgroundColors: [colorGreen])
    public static let topics = renderSettingsIcon(name: "Item List/Icons/Topics", backgroundColors: [colorLightBlue])
    public static let links = renderSettingsIcon(name: "Item List/Icons/Link", backgroundColors: [colorOrange])
    public static let chatAppearance = renderSettingsIcon(name: "Item List/Icons/Brush", backgroundColors: [colorOrange])
    public static let admins = renderSettingsIcon(name: "Item List/Icons/Admin", backgroundColors: [colorGreen])
    public static let subscribers = renderSettingsIcon(name: "Item List/Icons/Group", backgroundColors: [colorBlue])
    public static let stats = renderSettingsIcon(name: "Item List/Icons/Stats", backgroundColors: [colorViolet])
    public static let balance = renderSettingsIcon(name: "Item List/Icons/Balance", backgroundColors: [colorGreen])
    public static let affiliateProgram = renderSettingsIcon(name: "Item List/Icons/Affiliate", backgroundColors: [colorViolet])
    public static let earnStars = renderSettingsIcon(name: "Item List/Icons/Earn", backgroundColors: [colorGreen])
    public static let channelMessages = renderSettingsIcon(name: "Item List/Icons/Messages", backgroundColors: [colorViolet])
    public static let settings = renderSettingsIcon(name: "Item List/Icons/Settings", backgroundColors: [colorOrange])
    public static let antiSpam = renderSettingsIcon(name: "Item List/Icons/AntiSpam", backgroundColors: [colorGreen])
    public static let recentActions = renderSettingsIcon(name: "Item List/Icons/View", backgroundColors: [colorOrange])
    public static let permissions = renderSettingsIcon(name: "Item List/Icons/Key", backgroundColors: [colorGray])
    public static let autoTranslate = renderSettingsIcon(name: "Item List/Icons/Translation", backgroundColors: [colorPurple])
    public static let emojiStatus = renderSettingsIcon(name: "Item List/Icons/Status", backgroundColors: [colorBlue])
    public static let location = renderSettingsIcon(name: "Item List/Icons/Location", backgroundColors: [colorLightBlue])
    public static let groupRequests = renderAttachAppIcon(iconImage: UIImage(bundleImageName: "Chat/Info/GroupRequestsIcon"))
    
    public static let calls = renderSettingsIcon(name: "Item List/Icons/Phone", backgroundColors: [colorOrange])
    public static let messages = renderSettingsIcon(name: "Item List/Icons/Chat", backgroundColors: [colorViolet])
    public static let filesGreen = renderSettingsIcon(name: "Item List/Icons/File", backgroundColors: [colorGreen])
    public static let stickersYellow = renderSettingsIcon(name: "Item List/Icons/Sticker", backgroundColors: [colorOrange])
    public static let music = renderSettingsIcon(name: "Item List/Icons/Play", backgroundColors: [colorRed])
    public static let voices = renderSettingsIcon(name: "Item List/Icons/Microphone", backgroundColors: [colorPurple])
    public static let upload = renderSettingsIcon(name: "Item List/Icons/Upload", backgroundColors: [colorBlue])
    public static let download = renderSettingsIcon(name: "Item List/Icons/Download", backgroundColors: [colorGreen])
}