/* SwiftFin is subject to the terms of the Mozilla Public
 * License, v2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * Copyright 2021 Aiden Vigue & Jellyfin Contributors
 */

import Foundation
import JellyfinAPI
import UIKit

//001fC^ = dark grey plain blurhash

extension BaseItemDto {
    func getSeriesPrimaryImageBlurHash() -> String {
        let rawImgURL = self.getSeriesPrimaryImage(baseURL: "", maxWidth: 1).absoluteString;
        let imgTag = rawImgURL.components(separatedBy: "&tag=")[1];
        
        return self.imageBlurHashes?.primary?[imgTag] ?? "001fC^";
    }
    
    func getPrimaryImageBlurHash() -> String {
        let rawImgURL = self.getPrimaryImage(baseURL: "", maxWidth: 1).absoluteString;
        let imgTag = rawImgURL.components(separatedBy: "&tag=")[1];
        
        return self.imageBlurHashes?.primary?[imgTag] ?? "001fC^";
    }
    
    func getBackdropImageBlurHash() -> String {
        let rawImgURL = self.getBackdropImage(baseURL: "", maxWidth: 1).absoluteString;
        let imgTag = rawImgURL.components(separatedBy: "&tag=")[1];
        
        if(rawImgURL.contains("Backdrop")) {
            return self.imageBlurHashes?.backdrop?[imgTag] ?? "001fC^";
        } else {
            return self.imageBlurHashes?.primary?[imgTag] ?? "001fC^";
        }
    }
    
    func getBackdropImage(baseURL: String, maxWidth: Int) -> URL {
        var imageType = "";
        var imageTag = "";
        
        if(self.primaryImageAspectRatio ?? 0.0 < 1.0) {
            imageType = "Backdrop";
            imageTag = (self.backdropImageTags ?? [""])[0]
        } else {
            imageType = "Primary";
            imageTag = self.imageTags?["Primary"] ?? ""
        }
        
        if(imageTag == "") {
            imageType = "Backdrop";
            imageTag = self.parentBackdropImageTags?[0] ?? ""
        }
        let x = UIScreen.main.nativeScale * CGFloat(maxWidth)
        let urlString = "\(baseURL)/Items/\(self.id ?? "")/Images/\(imageType)?maxWidth=\(String(Int(x)))&quality=85&tag=\(imageTag)"
        return URL(string: urlString)!
    }
    
    func getSeriesPrimaryImage(baseURL: String, maxWidth: Int) -> URL {
        let imageType = "Primary";
        let imageTag = self.seriesPrimaryImageTag ?? ""
        let x = UIScreen.main.nativeScale * CGFloat(maxWidth)
        let urlString = "\(baseURL)/Items/\(self.seriesId ?? "")/Images/\(imageType)?maxWidth=\(String(Int(x)))&quality=85&tag=\(imageTag)"
        return URL(string: urlString)!
    }
    
    func getPrimaryImage(baseURL: String, maxWidth: Int) -> URL {
        let imageType = "Primary";
        var imageTag = self.imageTags?["Primary"] ?? "";
        
        if(imageTag == "") {
            imageTag = self.seriesPrimaryImageTag ?? ""
        }
        let x = UIScreen.main.nativeScale * CGFloat(maxWidth)
        
        let urlString = "\(baseURL)/Items/\(self.id ?? "")/Images/\(imageType)?maxWidth=\(String(Int(x)))&quality=85&tag=\(imageTag)"
        return URL(string: urlString)!
    }
}