import Quickshell
import Quickshell.Io
import Quickshell.Services.SystemTray
import Quickshell.Widgets
import Custom as Custom
import QtQuick
import qs.Services


PanelWindow {
  id: bar

  property var modelData

  anchors {
    top: true
    left: true
    right: true
  }
  margins {
    left: 26 + 8
    right: 26 + 8
  }

  screen: modelData
  implicitHeight: 21
  color: "transparent"

  Rectangle {
    color: Qt.rgba(0, 0, 0, 0.66)
    anchors.fill: parent
    // bottomLeftRadius: 8
    // bottomRightRadius: 8
  }

  Row {
    id: left

    height: parent.height
    width: childrenRect.width
    anchors.left: parent.left
    anchors.leftMargin: 8
    anchors.verticalCenter: parent.verticalCenter
    spacing: 8

    Row {
      id: workspaces

      property var ignoreWorkspaces: @ignore_workspaces@

      height: parent.height
      anchors.verticalCenter: parent.verticalCenter
      spacing: 0

      Repeater {
        model: {
          let currWorkspaces = NiriService.workspaces;
          const ignoreWorkspaces = Array.from(workspaces.ignoreWorkspaces);
          currWorkspaces = currWorkspaces.filter(ws => ws.is_active || ignoreWorkspaces.every(iws => iws !== ws.name));
          currWorkspaces.sort((a, b) => {
            if (NiriService.outputs?.[a.output]?.logical?.x !== NiriService.outputs?.[b.output]?.logical?.x)
              return NiriService.outputs?.[a.output]?.logical?.x - NiriService.outputs?.[b.output]?.logical?.x
            if (NiriService.outputs?.[a.output]?.logical?.y !== NiriService.outputs?.[b.output]?.logical?.y)
              return NiriService.outputs?.[a.output]?.logical?.y - NiriService.outputs?.[b.output]?.logical?.y
            return a.idx - b.idx;
          });
          return currWorkspaces;
        }

        Rectangle {
          property var workspaceData: modelData

          width: wsLabel.contentWidth + 8
          color: {
            if (mouseArea.containsMouse) {
              return "#33808080";
            }
            return "transparent";
          }
          height: parent.height
          anchors.verticalCenter: parent.verticalCenter

          MouseArea {
            id: mouseArea

            anchors.fill: parent
            hoverEnabled: true
            cursorShape: Qt.PointingHandCursor
            enabled: true
            onClicked: {
              NiriService.sendCommand({ "Action": { "FocusWorkspace": { "reference": { "Id": workspaceData.id } } } }, _ => {})
            }
          }

          Text {
            id: wsLabel

            font.pointSize: 10
            font.family: "Fira Sans"
            color: {
              if (workspaceData.is_active)
                return "#23fd00";
              if (workspaceData.active_window_id === null)
                return "#555";
              return "white";
            }
            anchors.centerIn: parent

            text: workspaceData.name ? workspaceData.name : workspaceData.idx
          }
        }
      }
    }
  }

  Row {
    id: center

    height: parent.height
    width: childrenRect.width
    anchors.centerIn: parent
    spacing: 5

    Item {
      id: activeWindowDisplay

      property var activeWindow: {
        let currWindowId = Array.from(NiriService.workspaces).find(ws => {
          return ws.output === bar.screen.name && ws.is_active;
        })?.active_window_id;

        return currWindowId ? Array.from(NiriService.windows).find(win => win.id == currWindowId) : null;
      }
      property var windowEntry: activeWindow ? DesktopEntries.heuristicLookup(activeWindow.app_id) : null

      anchors.verticalCenter: parent.verticalCenter
      width: activeWindowDisplayContent.width
      height: parent.height

      Row {
        id: activeWindowDisplayContent

        width: childrenRect.width
        height: parent.height
        anchors.verticalCenter: parent.verticalCenter
        spacing: 8

        IconImage {
	  id: activeWindowIcon

          height: 14
          width: 14

          anchors.verticalCenter: parent.verticalCenter

          source: {
	    let icon = activeWindowDisplay.windowEntry?.icon
	    if (typeof icon === 'string' || icon instanceof String) {
	      if (icon.includes("?path=")) {
		const split = icon.split("?path=")
		if (split.length !== 2)
		  return icon
		const name = split[0]
		const path = split[1]
		const fileName = name.substring(
				 name.lastIndexOf("/") + 1)
		return `file://${path}/${fileName}`
	      } else
	        icon = Quickshell.iconPath(icon);
	      return icon
	    }
	    return ""
          }
          asynchronous: true
          smooth: true
          mipmap: true
        }

        Text {
          id: windowTitle

          width: Math.min(implicitWidth, bar.width - 2*Math.max(left.width, right.width) - 2*8 - activeWindowIcon.width - activeWindowDisplayContent.spacing)

	  property var appAliases: { "Firefox": "Mozilla Firefox", "mpv Media Player": "mpv", "Thunderbird": "Mozilla Thunderbird", "Thunderbird (LMU)": "Mozilla Thunderbird" }

          elide: Text.ElideRight
          maximumLineCount: 1
          color: "white"
          anchors.verticalCenter: parent.verticalCenter
          text: {
	    if (!activeWindowDisplay.activeWindow)
	      return "";

	    var title = activeWindowDisplay.activeWindow.title;
	    var appName = activeWindowDisplay.windowEntry?.name;
	    if (appAliases[appName])
	      appName = appAliases[appName];
	    if (appName && title.endsWith(appName)) {
	      const oldTitle = title;
	      title = title.substring(0, title.length - appName.length);
	      title = title.replace(/\s*(—|-)\s*$/, "");
	      if (!title)
	        title = oldTitle;
	    }
	    return title;
	  }
        }
      }
    }
  }

  Row {
    id: right

    height: parent.height
    width: childrenRect.width
    anchors.right: parent.right
    anchors.rightMargin: 8
    anchors.verticalCenter: parent.verticalCenter
    spacing: 0

    Item {
      anchors.verticalCenter: parent.verticalCenter
      width: systemTrayRow.childrenRect.width
      height: parent.height
      clip: true

      Row {
        id: systemTrayRow
        anchors.centerIn: parent
	width: childrenRect.width
	height: parent.height
        spacing: 0

        Repeater {
          model: SystemTray.items.values

          delegate: Item {
            property var trayItem: modelData
            property string iconSource: {
              let icon = trayItem && trayItem.icon
	      if (typeof icon === 'string' || icon instanceof String) {
		if (icon.includes("?path=")) {
		  const split = icon.split("?path=")
		  if (split.length !== 2)
		    return icon
		  const name = split[0]
		  const path = split[1]
		  const fileName = name.substring(
				   name.lastIndexOf("/") + 1)
		  return `file://${path}/${fileName}`
		}
		return icon
	      }
	      return ""
            }

            width: 16
            height: parent.height
            anchors.verticalCenter: parent.verticalCenter

            IconImage {
              anchors.centerIn: parent
              width: parent.width
              height: parent.width
              source: parent.iconSource
              asynchronous: true
              smooth: true
              mipmap: true
            }

            MouseArea {
              id: trayItemArea

              anchors.fill: parent
              acceptedButtons: Qt.LeftButton | Qt.RightButton
              hoverEnabled: true
              cursorShape: Qt.PointingHandCursor
              onClicked: mouse => {
                if (!trayItem)
                  return

                if (mouse.button === Qt.LeftButton
                  && !trayItem.onlyMenu) {
                  trayItem.activate()
                  return
                }

                if (trayItem.hasMenu) {
                  var globalPos = mapToGlobal(0, 0)
                  var currentScreen = screen || Screen
                  var screenX = currentScreen.x || 0
                  var relativeX = globalPos.x - screenX
                  menuAnchor.menu = trayItem.menu
                  menuAnchor.anchor.window = bar
                  menuAnchor.anchor.rect = Qt.rect(
                      relativeX,
                      21,
                      parent.width, 1)
                  menuAnchor.open()
                }
              }
            }
          }
        }
      }
      QsMenuAnchor {
        id: menuAnchor
      }
    }

    Rectangle {
      height: parent.height
      width: 4
      color: "transparent"
    }

    Rectangle {
      id: kbdWidget

      property var keyboardAbbrev: { "English (programmer Dvorak)": "dvp", "English (US)": "us" }

      width: kbdLabel.contentWidth + 8
      color: {
	if (kbdMouseArea.containsMouse) {
	  return "#33808080";
	}
	return "transparent";
      }
      height: parent.height
      anchors.verticalCenter: parent.verticalCenter

      MouseArea {
	id: kbdMouseArea

	anchors.fill: parent
	hoverEnabled: true
	cursorShape: Qt.PointingHandCursor
	enabled: true
	onClicked: {
	  NiriService.sendCommand({ "Action": { "SwitchLayout": { "layout": "Next" } } }, _ => {})
	}
      }

      Text {
	id: kbdLabel

	font.pointSize: 10
	font.family: "Fira Sans"
	color: {
	  if (NiriService.keyboardLayouts?.current_idx === 0)
	    return "#555";
	  return "white";
	}
	anchors.centerIn: parent

	text: {
	  const currentLayout = NiriService.keyboardLayouts?.names?.[NiriService.keyboardLayouts.current_idx];
	  return kbdWidget.keyboardAbbrev[currentLayout] ? kbdWidget.keyboardAbbrev[currentLayout] : currentLayout;
	}
      }
    }

    Rectangle {
      height: parent.height
      width: 4
      color: "transparent"
    }

    Text {
      id: clock
      color: "white"

      anchors.verticalCenter: parent.verticalCenter

      Custom.Chrono {
        id: chrono
        format: "W{0:%V-%u} {0:%F} {0:%H:%M:%S%Ez}"
      }

      text: chrono.date

      font.pointSize: 10
      font.family: "Fira Sans"
      font.features: { "tnum": 1 }
    }
  }
}