pragma ComponentBehavior: Bound

import QtQuick
import QtQuick.Layouts
import Quickshell.Services.Notifications
import ZShell.Components
import ZShell.Config
import ZShell.Services
import qs.Components
import qs.Services

CustomRect {
	id: root

	required property NotificationRow modelData
	required property bool expanded
	required property color expandedColour
	required property color avatarColour
	required property color buttonColour
	property bool showAvatar: true
	property bool single: false
	property bool ready: true
	property real headerHeight
	property real headerTitleWidth

	readonly property bool critical: modelData.urgency === NotificationUrgency.Critical
	readonly property bool low: modelData.urgency === NotificationUrgency.Low
	readonly property CustomText body: (expandedContent.item as ExpandedBody)?.body ?? null
	readonly property real padding: single ? 0 : Tokens.padding.medium
	readonly property real headerSummaryOffset: -(headerHeight + summaryHeightMetrics.height) / 2
	readonly property real inset: expanded ? padding : 0
	readonly property real summaryOffset: single && !expanded ? headerSummaryOffset : inset
	readonly property real nonAnimHeight: {
		if (!expanded)
			return summaryHeightMetrics.height;
		const contentHeight = summary.implicitHeight + expandedContent.implicitHeight + expandedContent.anchors.topMargin + padding * 2;
		return single ? contentHeight : Math.max(contentHeight, Config.notifs.sizes.image + Tokens.padding.extraSmall * 2);
	}

	signal linkActivated

	implicitHeight: nonAnimHeight

	radius: Tokens.rounding.medium
	color: {
		const c = root.critical ? Colors.palette.m3secondaryContainer : root.expandedColour;
		return expanded && !single ? c : Qt.alpha(c, 0);
	}

	TextMetrics {
		id: summaryHeightMetrics

		font: dummySummary.font
		text: " " // Use this height to prevent weird characters from changing the line height
	}

	TextMetrics {
		id: summaryMetrics

		font: dummySummary.font
		text: root.modelData.summary
		elide: Text.ElideRight
		elideWidth: root.single ? root.headerTitleWidth : root.width
	}

	WrappedLoader {
		id: avatar

		shouldBeActive: root.expanded && root.showAvatar
		anchors.top: parent.top
		anchors.left: parent.left
		anchors.topMargin: Tokens.padding.extraSmall
		anchors.leftMargin: -(Config.notifs.sizes.image + Tokens.spacing.medium)

		sourceComponent: NotifAvatar {
			owner: root.modelData
			image: root.modelData.image
			icon: root.modelData.appIcon
			urgency: root.modelData.urgency
			lowFillColour: root.avatarColour
			summary: root.modelData.summary
			progress: root.modelData.progress / 100
		}
	}

	WrappedLoader {
		id: compactSummary

		shouldBeActive: !root.expanded
		anchors.top: parent.top
		anchors.left: parent.left
		anchors.leftMargin: root.inset
		anchors.topMargin: root.summaryOffset

		sourceComponent: CustomText {
			animate: root.ready
			text: summaryMetrics.elidedText
			color: root.critical ? Colors.palette.m3onSecondaryContainer : root.low ? Colors.palette.m3onSurfaceVariant : Colors.palette.m3onSurface
		}

		Behavior on anchors.leftMargin {
			Anim {}
		}

		Behavior on anchors.topMargin {
			Anim {}
		}
	}

	CustomText {
		id: dummySummary

		anchors.top: parent.top
		anchors.left: parent.left

		visible: false
		text: root.modelData.summary
	}

	WrappedLoader {
		id: compactBody

		shouldBeActive: !root.expanded
		anchors.top: parent.top
		anchors.left: parent.left
		anchors.right: parent.right
		anchors.leftMargin: root.inset + (root.single ? 0 : dummySummary.width + Tokens.spacing.small)
		anchors.topMargin: root.single && root.expanded ? summary.implicitHeight + expandedContent.anchors.topMargin : root.inset

		sourceComponent: CustomText {
			text: root.modelData.body.replace(/\n/g, " ")
			color: root.critical ? Colors.palette.m3secondary : root.low ? Colors.palette.m3outline : Colors.palette.m3onSurfaceVariant
			elide: Text.ElideRight
		}

		Behavior on anchors.leftMargin {
			Anim {}
		}

		Behavior on anchors.topMargin {
			Anim {}
		}
	}

	WrappedLoader {
		id: summary

		shouldBeActive: root.expanded
		anchors.top: parent.top
		anchors.left: parent.left
		anchors.leftMargin: root.inset
		anchors.topMargin: root.summaryOffset
		width: root.width - root.padding * 2 - timeStr.implicitWidth - Tokens.spacing.small

		sourceComponent: CustomText {
			text: root.modelData.summary
			color: root.critical ? Colors.palette.m3onSecondaryContainer : root.low ? Colors.palette.m3onSurfaceVariant : Colors.palette.m3onSurface
			wrapMode: Text.WordWrap
		}

		Behavior on anchors.leftMargin {
			Anim {}
		}

		Behavior on anchors.topMargin {
			Anim {}
		}
	}

	WrappedLoader {
		id: timeStr

		shouldBeActive: root.expanded && !root.single
		anchors.top: parent.top
		anchors.right: parent.right
		anchors.margins: root.inset

		sourceComponent: CustomText {
			animate: true
			text: root.modelData.timeStr
			color: root.critical ? Colors.palette.m3secondary : Colors.palette.m3outline
			font: Tokens.font.body.small
		}

		Behavior on anchors.margins {
			Anim {}
		}
	}

	WrappedLoader {
		id: expandedContent

		shouldBeActive: root.expanded
		anchors.top: summary.bottom
		anchors.left: parent.left
		anchors.right: parent.right
		anchors.margins: root.inset
		anchors.topMargin: Tokens.spacing.extraSmall

		sourceComponent: ExpandedBody {}

		Behavior on anchors.margins {
			Anim {}
		}
	}

	Behavior on implicitHeight {
		Anim {}
	}

	component ExpandedBody: SnapLayout {
		readonly property alias body: bodyText

		orientation: Qt.Vertical
		spacing: Tokens.spacing.medium

		CustomText {
			id: bodyText

			Layout.fillWidth: true
			textFormat: Text.MarkdownText
			text: root.modelData.body.replace(/(.)\n(?!\n)/g, "$1\n\n") || qsTr("No body here! :/")
			color: root.critical ? Colors.palette.m3secondary : root.low ? Colors.palette.m3outline : Colors.palette.m3onSurfaceVariant
			wrapMode: Text.WordWrap

			onLinkActivated: link => {
				Qt.openUrlExternally(link);
				root.linkActivated();
			}
		}

		NotifActions {
			Layout.fillWidth: true
			notif: root.modelData
			buttonColour: root.buttonColour
		}
	}
	component WrappedLoader: Loader {
		id: comp

		required property bool shouldBeActive

		active: false
		opacity: 0

		// Makes the loader load on the same frame shouldBeActive becomes true, which ensures size is set
		states: State {
			name: "active"
			when: comp.shouldBeActive

			PropertyChanges {
				comp.opacity: 1
				comp.active: true
			}
		}
		transitions: [
			Transition {
				from: ""
				to: "active"

				SequentialAnimation {
					PropertyAction {
						property: "active"
					}
					Anim {
						type: Anim.DefaultEffects
						property: "opacity"
					}
				}
			},
			Transition {
				from: "active"
				to: ""

				SequentialAnimation {
					Anim {
						type: Anim.DefaultEffects
						property: "opacity"
					}
					PropertyAction {
						property: "active"
					}
				}
			}
		]
	}
}