import QtQuick
import QtQuick.Layouts
import QtQuick.Effects
import Quickshell
import Quickshell.Io
import Quickshell.Services.Mpris
import qs.common
import qs.common.functions
import qs.common.widgets
import Qt5Compat.GraphicalEffects

Item {
  // -- fields --
  id: playerController
  required property MprisPlayer player
  required property real popupRounding
  required property real contentPadding
  required property real artRounding
  property var artUrl: player?.trackArtUrl
  property string artDownloadLocation: Directories.coverArt
  property string artFileName: Qt.md5(artUrl) + ".jpg"
  property string artFilePath: `${artDownloadLocation}/${artFileName}`
  property color artDominantColor: ColorUtils.mix((colorQuantizer?.colors[0] ?? Appearance.colors.colPrimary), Appearance.colors.colPrimaryContainer, 0.8) || Appearance.m3colors.m3secondaryContainer
  property bool downloaded: false
  
  implicitWidth: widgetWidth
  implicitHeight: widgetHeight

  // colors
  property bool backgroundIsDark: artDominantColor.hslLightness < 0.5
  property QtObject blendedColors: QtObject {
    property color colLayer0: ColorUtils.mix(Appearance.colors.colLayer0, artDominantColor, (backgroundIsDark && Appearance.m3colors.darkmode) ? 0.6 : 0.5)
    property color colLayer1: ColorUtils.mix(Appearance.colors.colLayer1, artDominantColor, 0.5)
    property color colOnLayer0: ColorUtils.mix(Appearance.colors.colOnLayer0, artDominantColor, 0.5)
    property color colOnLayer1: ColorUtils.mix(Appearance.colors.colOnLayer1, artDominantColor, 0.5)
    property color colSubtext: ColorUtils.mix(Appearance.colors.colOnlayer1, artDominantColor, 0.5)
    property color colPrimary: ColorUtils.mix(ColorUtils.adaptToAccent(Appearance.colors.colPrimary, artDominantColor), artDominantColor, 0.5)
    property color colPrimaryHover: ColorUtils.mix(ColorUtils.adaptToAccent(Appearance.colors.colPrimaryHover, artDominantColor), artDominantColor, 0.3)
    property color colPrimaryActive: ColorUtils.mix(ColorUtils.adaptToAccent(Appearance.colors.colPrimaryActive, artDominantColor), artDominantColor, 0.3)
    property color colSecondaryContainer: ColorUtils.mix(Appearance.m3colors.m3secondaryContainer, artDominantColor, 0.15)
    property color colSecondaryContainerHover: ColorUtils.mix(Appearance.colors.colSecondaryContainerHover, artDominantColor, 0.5)
    property color colSecondaryContainerActive: ColorUtils.mix(Appearance.colors.colSecondaryContainerActive, artDominantColor, 0.5)
    property color colOnPrimary: ColorUtils.mix(ColorUtils.adaptToAccent(Appearance.m3colors.m3onPrimary, artDominantColor), artDominantColor, 0.5)
    property color colOnSecondaryContainer: ColorUtils.mix(Appearance.m3colors.m3onSecondaryContainer, artDominantColor, 0.5)
  }

  // -- components --

  component TrackChangeButton: RippleButton {
    implicitWidth: 24
    implicitHeight: 24
    property var iconName
    colBackground: ColorUtils.transparentize(blendedColors.colSecondaryContainer, 1)
  }

  Timer {
    running: playerController.player?.playbackState == MprisPlaybackState.Playing
    interval: 1000
    repeat: true
    onTriggered: {
      playerController.player.positionChanged()
    }
  }

  onArtUrlChanged: {
    if (playerController.artUrl.length == 0) {
      playerController.artDominantColor = Appearance.m3colors.m3secondaryContainer;
      return;
    }
    playerController.downloaded = false
    coverArtDownloader.running = true
  }

  Process {
    id: coverArtDownloader
    property string targetFile: playerController.artUrl
    command: ["bash", "-c", `[ -f ${playerController.artFilePath} ] || curl -sSL '${targetFile}' -o '${playerController.artFilePath}'`]
    onExited: (exitCode, exitStatus) => {
      playerController.downloaded = true;
    }
  }

  ColorQuantizer { // From Quickshell
    id: colorQuantizer
    source: playerController.downloaded ? Qt.resolvedUrl(playerController.artFilePath) : ""
    depth: 0
    rescaleSize: 1
  }

  Rectangle {
    id: background
    anchors.fill: parent
    anchors.margins: Appearance.sizes.elevationMargin
    color: blendedColors.colLayer0
    radius: root.popupRounding
    layer.enabled: true
    layer.effect: OpacityMask {
      maskSource: Rectangle {
        width: background.width
        height: background.height
        radius: background.radius
      }
    }
    /*
    Image {
      id: blurredArt
      anchors.fill: parent
      source: playerController.downloaded ? Qt.resolvedUrl(playerController.artFilePath) : ""
      sourceSize.width: background.width
      sourceSize.height: background.height
      fillMode: Image.PreserveAspectCrop
      cache: false
      antialiasing: true
      asynchronous: true

      layer.enabled: true
      layer.effect: MultiEffect {
        source: blurredArt
        saturation: 0.2
        blurEnabled: true
        blurMax: 100
        blur: 1
      }
    }
    */

    Rectangle {
      anchors.fill: parent
      color: ColorUtils.transparentize(playerController.blendedColors.colLayer0, 0.3)
      radius: playerController.popupRounding
    }
  }

  RowLayout {
    anchors.fill: parent
    anchors.margins: playerController.contentPadding
    spacing: 15

    Rectangle {
      id: artBackground
      Layout.fillHeight: true
      implicitWidth: height
      radius: playerController.artRounding
      color:ColorUtils.transparentize(blendedColors.colLayer1, 0.5)

      layer.enabled: true
      layer.effect: OpacityMask {
        maskSource: Rectangle {
          width: artBackground.width
          height: artBackground.height
          radius: artBackground.radius
        }
      }

      Image {
        id: mediaArt
        property int size: parent.height
        anchors.fill: parent

        source: playerController.downloaded ? Qt.resolvedUrl(playerController.artFilePath) : ""
        fillMode: Image.PreserveAspectCrop
        cache:false
        antialiasing: true
        asynchronous: true

        width: size
        height: size
        sourceSize.width: size
        sourceSize.height: size
      }
    }

    ColumnLayout {
      Layout.fillHeight: true
      spacing: 2

      StyledText {
        id: trackTitle
        Layout.fillWidth: true
        font.pixelSize: Appearance.font.pixelSize.large
        color: blendedColors.colOnLayer0
        elide: Text.ElideRight
        text: playerController.player?.trackTitle || "Untitled"
      }
      StyledText {
        id: trackArtist
        Layout.fillWidth: true
        font.pixelSize: Appearance.font.pixelSize.smaller
        color:blendedColors.colSubtext
        elide: Text.ElideRight
        text: playerController.player?.trackArtist
      }
      Item { // spacing
        Layout.fillHeight: true
      }
    }
  }
}