/* 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 {
    
    //MARK: Images
    func getSeriesBackdropImageBlurHash() -> String {
        let rawImgURL = self.getSeriesBackdropImage(baseURL: "", maxWidth: 1).absoluteString;
        let imgTag = rawImgURL.components(separatedBy: "&tag=")[1];
        
        return self.imageBlurHashes?.backdrop?[imgTag] ?? "001fC^";
    }
    
    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 getSeriesBackdropImage(baseURL: String, maxWidth: Int) -> URL {
        let imageType = "Backdrop";
        let imageTag = (self.parentBackdropImageTags ?? [])[0];
        
        print(imageType)
        print(imageTag)

        let x = UIScreen.main.nativeScale * CGFloat(maxWidth)
        let urlString = "\(baseURL)/Items/\(self.parentBackdropItemId ?? "")/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)!
    }
    
    //MARK: Calculations
    func getItemRuntime() -> String {
        let seconds: Int = Int(self.runTimeTicks!) / 10_000_000
        let hours = (seconds / 3600)
        let minutes = ((seconds - (hours * 3600)) / 60)
        if hours != 0 {
            return "\(hours):\(String(minutes).leftPad(toWidth: 2, withString: "0"))"
        } else {
            return "\(String(minutes).leftPad(toWidth: 2, withString: "0"))m"
        }
    }
    
    func getItemProgressString() -> String {
        if(self.userData?.playbackPositionTicks == nil || self.userData?.playbackPositionTicks == 0) {
            return "";
        }
        
        let remainingSecs = Int(self.runTimeTicks! - (self.userData?.playbackPositionTicks!)!) / 10_000_000
        let proghours = Int(remainingSecs / 3600)
        let progminutes = Int((Int(remainingSecs) - (proghours * 3600)) / 60)
        if proghours != 0 {
            return "\(proghours):\(String(progminutes).leftPad(toWidth: 2, withString: "0"))"
        } else {
            return "\(String(progminutes).leftPad(toWidth: 2, withString: "0"))m"
        }
    }
}

extension BaseItemPerson {
    func getImage(baseURL: String, maxWidth: Int) -> URL {
        let imageType = "Primary";
        let imageTag = self.primaryImageTag ?? ""

        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 getBlurHash() -> String {
        let rawImgURL = self.getImage(baseURL: "", maxWidth: 1).absoluteString;
        let imgTag = rawImgURL.components(separatedBy: "&tag=")[1];
        
        return self.imageBlurHashes?.primary?[imgTag] ?? "001fC^";
    }
}