kplayer/kplayer/master/NetworkDelegate.swift

//
// Created by Marco Schmickler on 29.04.21.
// Copyright (c) 2021 Marco Schmickler. All rights reserved.
//

import Foundation

class NetworkDelegate: MasterDelegate, DetailDelegate {
    func loadItem(selectedItem: MediaItem, completionHandler: @escaping (MediaItem) -> Void) {
        if selectedItem.loaded {
            completionHandler(selectedItem)
            return
        }

        let p = selectedItem.superRoot()
        let dir = selectedItem.encodedDir!

        let weiter:Weiter = {
            (g) in
            ItemModel().sortItems(selectedItem: selectedItem, children: g)
            completionHandler(selectedItem)
        }

        if p.type == ItemType.FAVROOT {
            NetworkManager.sharedInstance.loadFavDirs(dir, completionHandler: weiter)
        }
        else if p.type == ItemType.VIDEOROOT {
            NetworkManager.sharedInstance.loadVideoDirs(dir, completionHandler: weiter)
        }
        else if p.type == ItemType.WEBROOT {
            weiter(p.children)
        }
        else {
            NetworkManager.sharedInstance.loadPicDirs(dir, completionHandler: weiter)
        }
    }

    func loadFolder(selectedItem: MediaItem, completionHandler: @escaping (MediaItem) -> Void) -> Void {
        let weiter:Weiter = {
            (g) in
            ItemModel().sortItems(selectedItem: selectedItem, children: g)
            completionHandler(selectedItem)
        }

        if selectedItem.type == ItemType.FOLDER && selectedItem.loaded {
            completionHandler(selectedItem)
            return
        }

        if selectedItem.type == ItemType.FAVROOT {
            NetworkManager.sharedInstance.loadFavDirs("dir", completionHandler: weiter)
            return
        }

        NetworkManager.sharedInstance.listDirs(selectedItem.encodedDir!, completionHandler: {
            (i, leaf) in

            let details = MediaItem(name: selectedItem.name, path: selectedItem.path, root: selectedItem.root, type: ItemType.DETAILS)
            let neu = MediaItem(name: selectedItem.name, path: "", root: "", type: ItemType.FOLDER)
            let newFolder = MediaItem(name: ".", path: "", root: selectedItem.root, type: ItemType.DETAILS)
            newFolder.loaded = true

            var hasDetails = false

            for item in i {
                if item.type != ItemType.FOLDER && item.isVideo() {
                    item.parent = newFolder
                    newFolder.children.append(item)
                } else {
                    if item.path == "" {
                        item.path = item.name
                        item.name = ""
                    }

                    if item.type == ItemType.PICS {
                        if !hasDetails {
                            neu.children.append(details)
                            hasDetails = true
                        }
                    } else {
//                            item.type = ItemType.FOLDER
                        item.parent = selectedItem
                        neu.children.append(item)
                    }
                }
            }

            if newFolder.children.count > 0 {
                newFolder.parent = selectedItem
                neu.children.append(newFolder)
            }

            let isVideo = selectedItem.parent != nil && selectedItem.parent!.type == ItemType.VIDEOROOT
            if leaf || isVideo {
//                if selectedItem.type == ItemType.VIDEOROOT {
//                    NetworkManager.sharedInstance.loadVideoDirs(selectedItem.encodedDir!, completionHandler: {
//                        (i) in
//                        selectedItem.children = i
//                        completionHandler(selectedItem)
//                        return
//                    })
//                }

                if selectedItem.type == ItemType.FOLDER {
                    selectedItem.type = ItemType.DETAILS
                }

                completionHandler(selectedItem)
            } else {
                completionHandler(neu)
            }
        })
    }

    func loadDetails(selectedItem: MediaItem, completionHandler: @escaping () -> ()) {

        if selectedItem.isPic() {
            NetworkManager.sharedInstance.loadPicDetails(items: selectedItem, result: { (im: [MediaItem]) in
                selectedItem.children = im
                completionHandler()
            })
        }
        else {
            completionHandler()
        }
    }

    func deleteThumb(selectedItem c: MediaItem) {
        if let t = c.time {
            let ms = Int(t * 1000)
            let p = c.snapshotDirPathForVideo + "\(ms).jpg"
            let pt = c.snapshotDirPathForVideo + "\(ms)_thumb.jpg"

            NetworkManager.sharedInstance.deleteThumb(p)
            NetworkManager.sharedInstance.deleteThumb(pt)
        }
    }

    func saveItem(selectedItem: MediaItem) {
        NetworkManager.sharedInstance.saveItem(selectedItem)
    }
}