import QtQuick
import Quickshell
import Quickshell.Io
import qs.Services

Scope {
  id: root
  property int count: 44
  property int noiseReduction: 60
  property string channels: "mono"
  property string monoOption: "average"

  property var config: ({
                          "general": {
                            "bars": count,
                            "framerate": 30,
                            "autosens": 1
                          },
                          "smoothing": {
                            "monstercat": 1,
                            "gravity": 1000000,
                            "noise_reduction": noiseReduction
                          },
                          "output": {
                            "method": "raw",
                            "bit_format": 8,
                            "channels": channels,
                            "mono_option": monoOption
                          }
                        })

  property var values: Array(count).fill(0)

  Process {
    id: process
    property int index: 0
    stdinEnabled: true
    running: MediaPlayer.isPlaying
    command: ["cava", "-p", "/dev/stdin"]
    onExited: {
      stdinEnabled = true
      index = 0
      values = Array(count).fill(0)
    }
    onStarted: {
      for (const k in config) {
        if (typeof config[k] !== "object") {
          write(k + "=" + config[k] + "\n")
          continue
        }
        write("[" + k + "]\n")
        const obj = config[k]
        for (const k2 in obj) {
          write(k2 + "=" + obj[k2] + "\n")
        }
      }
      stdinEnabled = false
    }
    stdout: SplitParser {
      splitMarker: ""
      onRead: data => {
                const newValues = Array(count).fill(0)
                for (var i = 0; i < values.length; i++) {
                  newValues[i] = values[i]
                }
                if (process.index + data.length > count) {
                  process.index = 0
                }
                for (var i = 0; i < data.length; i += 1) {
                  newValues[process.index] = Math.min(data.charCodeAt(i), 128) / 128
                  process.index = (process.index + 1) % count
                }
                values = newValues
              }
    }
  }
}