pragma Singleton
pragma ComponentBehavior: Bound

import Quickshell
import Quickshell.Io
import QtQuick
import ZShell.Models
import ZShell.Config
import qs.Services
import qs.Helpers
import qs.Paths

Searcher {
	id: root

	property string actualCurrent: WallpaperPath.currentWallpaperPath
	property alias crops: adapter.monitorCrops
	readonly property string current: showPreview ? previewPath : actualCurrent
	property alias monitorCrops: monitorCrops
	property bool pendingPreviewClear
	property bool previewColorLock
	property string previewPath
	property bool recentlyChanged
	property bool showPreview: false

	function getCategoryFor(w: FileSystemEntry): string {
		let category = w.parentDir.slice(Paths.wallsdir.length + 1);
		if (category.includes("/"))
			category = category.slice(0, category.indexOf("/"));
		return category;
	}

	function getCrop(screen: string): var {
		return root.crops[screen];
	}

	function preview(path: string): void {
		previewPath = path;
		showPreview = true;

		if (Config.general.color.schemeGeneration)
			previewColorsProc.running = true;
	}

	function setCrop(screen: string, rect: rect, zoom: real): void {
		if (zoom <= 0)
			zoom = 1.0;
		else if (zoom > 5.0)
			zoom = 5.0;

		root.crops[screen] = {
			x: rect.x,
			y: rect.y,
			width: rect.width,
			height: rect.height,
			zoom: zoom
		};
	}

	function setWallpaper(path: string): void {
		actualCurrent = path;
		WallpaperPath.currentWallpaperPath = path;
		Quickshell.screens.forEach(n => setCrop(n.name, Qt.rect(0, 0, 1, 1), 1.0));
		Quickshell.execDetached(["zshell-cli", "wallpaper", "lockscreen", "--input-image", `${root.actualCurrent}`, "--output-path", `${Paths.state}/lockscreen_bg.png`, "--blur-amount", `${Config.lock.blurAmount}`]);
		if (Config.general.color.schemeGeneration)
			Quickshell.execDetached(["zshell-cli", "scheme", "generate", "--image-path", `${root.actualCurrent}`, "--scheme", `${Config.colors.schemeType}`, "--mode", `${Config.general.color.mode}`]);
	}

	function stopPreview(): void {
		showPreview = false;
		if (previewColorLock)
			pendingPreviewClear = true;
		else
			Colors.showPreview = false;
	}

	extraOpts: useFuzzy ? ({}) : ({
			forward: false
		})
	key: "relativePath"
	list: wallpapers.entries
	useFuzzy: true

	onPreviewColorLockChanged: {
		if (!previewColorLock && pendingPreviewClear)
			Colors.showPreview = false;
	}

	IpcHandler {
		function set(path: string): void {
			root.setWallpaper(path);
		}

		target: "wallpaper"
	}

	FileView {
		id: monitorCrops

		path: `${Paths.state}/wallpaper-crops.json`
		watchChanges: true

		onAdapterUpdated: cropWriteDelay.restart()
		onFileChanged: reload()

		JsonAdapter {
			id: adapter

			property var monitorCrops: ({})
		}
	}

	Timer {
		id: cropWriteDelay

		interval: 100
		repeat: false
		running: false

		onTriggered: monitorCrops.writeAdapter()
	}

	FileSystemModel {
		id: wallpapers

		filter: FileSystemModel.Images
		path: Config.general.wallpaperPath
		recursive: true
	}

	Process {
		id: previewColorsProc

		command: ["zshell-cli", "scheme", "generate", "-p", "-i", root.previewPath]

		stdout: StdioCollector {
			onStreamFinished: {
				Colors.load(text, true);
				Colors.showPreview = true;
			}
		}
	}
}