/// PersefoneDesktop - a GUI to the Persefone model of agriculture and ecosystems
///
/// This file defines the layout of the configuration window.
///

import QtQuick
import QtQuick.Window
import QtQuick.Controls
import QtQuick.Layouts
import QtQuick.Dialogs
import org.julialang

ApplicationWindow {
	id: configWindow
	title: "Configure simulation"
	width: 700
	height: 350
	visible: true

	ColumnLayout {
		id: generalSettings
		anchors.top: parent.top
		anchors.left: parent.left
		anchors.leftMargin: 20
		anchors.topMargin: 20
		spacing: 8
		
		Text {
			text: "General Settings:"
			horizontalAlignment: Text.AlignCenter
			font.bold: true
		}

		RowLayout {
			Label { text: "Configuration file:" }
			Label {
				text: conf.userconfigfile
				font.italic: true
			}
			Button {
				text: "Select..."
				onClicked: conffileChooser.open()
			}
			FileDialog {
				id: conffileChooser
				defaultSuffix: "toml"
				fileMode: FileDialog.SaveFile
				nameFilters: ["Configuration files (*.toml)"]
				onAccepted: conf.userconfigfile = selectedFile
			}
		}

		RowLayout {
			Label { text: "Output folder:" }
			Label {
				text: conf.outdir
				font.italic: true
			}
			Button {
				text: "Select..."
				onClicked: outdirChooser.open()
			}
			FolderDialog {
				id: outdirChooser
				selectedFolder: conf.outdir
				onAccepted: conf.outdir = selectedFolder
			}
		}

		//XXX Not all regions have data available!
		// (currently, only Jena is fully configured)
		RowLayout {
			Label { text: "Region:" }
			ComboBox {
				currentIndex: 3
				model: ["Bodensee", "Eichsfeld", "Hohenlohe", "Jena",
						"Oberrhein", "Thüringer Becken"]
				onCurrentIndexChanged: conf.region = currentText
			}
		}
		
		RowLayout {
			Label { text: "Crop model:" }
			ComboBox {
				currentIndex: 0
				model: ["ALMaSS", "AquaCrop"]
				onCurrentIndexChanged: conf.cropmodel = currentText
			}
		}

		//XXX For which years do I actually have data?
		RowLayout {
			Label { text: "Start date:" }
			SpinBox {
				Layout.maximumWidth: 100
				from: 1
				to: 31
				value: conf.startdateday
				editable: true
				wrap: true
				onValueModified: conf.startdateday = value
			}
			SpinBox {
				Layout.maximumWidth: 100
				from: 1
				to: 12
				value: conf.startdatemonth
				editable: true
				wrap: true
				onValueModified: conf.startdatemonth = value
			}
			SpinBox {
				Layout.maximumWidth: 100
				from: 2000
				to: 2050
				value: conf.startdateyear
				editable: true
				wrap: true
				textFromValue: function(value) { return Number(value).toString(); }
				onValueModified: conf.startdateyear = value
			}				
		}

		RowLayout {
			Label { text: "End date:" }
			SpinBox {
				Layout.maximumWidth: 100
				from: 1
				to: 31
				value: conf.enddateday
				editable: true
				wrap: true
				onValueModified: conf.enddateday = value
			}
			SpinBox {
				Layout.maximumWidth: 100
				from: 1
				to: 12
				value: conf.enddatemonth
				editable: true
				wrap: true
				onValueModified: conf.enddatemonth = value
			}
			SpinBox {
				Layout.maximumWidth: 100
				from: 2000
				to: 2050
				value: conf.enddateyear
				editable: true
				wrap: true
				textFromValue: function(value) { return Number(value).toString(); }
				onValueModified: conf.enddateyear = value
			}				
		}
	}

	ColumnLayout {
		id: advancedSettings
		anchors.top: parent.top
		anchors.right: parent.right
		anchors.left: generalSettings.right
		anchors.rightMargin: 20
		anchors.topMargin: 20
		anchors.leftMargin: 20
		spacing: 8
		
		Text {
			text: "Advanced Settings:"
			horizontalAlignment: Text.AlignCenter
			font.bold: true
		}

		RowLayout {
			Label { text: "Random seed:" }
			SpinBox {
				from: 0
				to: 2147483647
				value: 2
				editable: true
				onValueModified: conf.seed = value
			}
		}

		RowLayout {
			Label { text: "Log level:" }
			ComboBox {
				currentIndex: 2
				model: ["debug", "info", "warn"]
				onCurrentIndexChanged: conf.loglevel = currentText
			}
		}

		RowLayout {
			Label { text: "Processors:" }
			SpinBox {
				from: 1
				to: 8
				value: conf.processors
				editable: true
				onValueModified: conf.processors = value
			}
		}

		CheckBox {
			checked: conf.csvoutput
			text: "Write CSV output"
			onClicked: conf.csvoutput = checked
		}

		//TODO add config options for:
		// farmmodel
		// targetspecies
		// insectmodel
		
	}

	footer: ToolBar {
		RowLayout {
			anchors.right: parent.right
			layoutDirection: Qt.RightToLeft
			
			Button {
				text: "Start new simulation"
				onClicked: {
					//Julia.splashscreen() //FIXME crashes
					Julia.writeconfig()
					Julia.newsimulation()
					configWindow.close()
				}
			}
			
			Button {
				text: "Save configuration"
				onClicked: {
					Julia.writeconfig()
					configWindow.close()
				}
			}

			Button {
				text: "Cancel"
				onClicked: configWindow.close()
			}
		}
	}
}