// Extension settings are in this file. Site configuration is in Sites.js
// todo: move keybinds here

if(Debug.debug)
  console.log("Loading: Settings.js");

var _se_init = async function(neverFlushStored){
  
//   if(Debug.flushStoredSettings && neverFlushStored === false)
//     StorageManager.delopt("uw-settings");
  
  if(Debug.debug)
    console.log("[Settings::_se_init()] -------- starting init! ---------");
  
  
  var newSettings = await StorageManager.getopt_async("uw-settings");
  var uwVersion = browser.runtime.getManifest().version;
  
  if (Debug.debug)
    console.log("[Settings::_se_init()] settings saved in localstorage are:", newSettings, " - if that's empty, it's gonna be replaced by this:", JSON.stringify(this), ")");
  
  if ((Object.keys(newSettings).length === 0 && newSettings.constructor === Object)){
    console.log("[Settings::_se_init()] replacing settings");
    StorageManager.setopt({"uw-settings": JSON.stringify(this)});
  }
  else{
    var actualSettings = JSON.parse(newSettings["uw-settings"]);
    if(actualSettings.version === undefined || actualSettings.version != uwVersion){
      this.version = uwVersion;
      console.log("[Settings::_se_init()] extension was updated, replacing settings");
      StorageManager.setopt({"uw-settings": JSON.stringify(this)});
    }
    
    if(Debug.debug)
      console.log("[Settings::_se_init()] parsed settings:", actualSettings);
    
    for (var k in actualSettings) 
      this[k] = actualSettings[k];
  }
  
  if(Debug.debug)
    console.log("[Settings::_se_init] settings have been loaded/reloaded. Current state: ", this);
  
}

var _se_save = function(settings){
  StorageManager.delopt("uw-settings");
  
  if(settings !== undefined){
    StorageManager.setopt({"uw-settings": JSON.stringify(settings)});    
  }
  else{
    StorageManager.setopt({"uw-settings": JSON.stringify(this)});
  }
  
  if (Debug.debug)
    console.log("[Settings::_se_save()] saving settings:", JSON.stringify(settings));
}

var _se_reload = function(){
  this.init(true);
}

var _se_isBlacklisted = function(site){
  return this.blacklist.indexOf(site) > -1;
}

var _se_isWhitelisted = function(site){
  return this.whitelist.indexOf(site) > -1;
}

var Settings = {
  extensionMode: "whitelist", // how should this extension work? 
                              //       'blacklist' - work everywhere except blacklist
                              //       'whitelist' - only work on whitelisted sites
                              //       'disabled'  - work nowhere
  arDetect: {
    mode: "blacklist",        // how should autodetection work?
                              //       'blacklist' - work by default, problem sites need to be blocked
                              //       'whitelist' - only work if site has been specifically approved
                              //       'disabled'  - don't work at all 
    allowedMisaligned: 0.05,  // top and bottom letterbox thickness can differ by this much. 
                              // Any more and we don't adjust ar.
    allowedArVariance: 0.075, // amount by which old ar can differ from the new (1 = 100%)
    timer_playing: 30,        // we trigger ar this often (in ms) under this conditions
    timer_paused: 3000,
    timer_error: 3000,
    timer_minimumTimeout: 5,  // but regardless of above, we wait this many msec before retriggering
    hSamples: 640,
    vSamples: 360,
    samplingInterval: 10,     // we sample at columns at (width/this) * [ 1 .. this - 1] 
    blackLevel_default: 10,   // everything darker than 10/255 across all RGB components is considered black by
                              // default. GlobalVars.blackLevel can decrease if we detect darker black.
    blackbarTreshold: 8,      // if pixel is darker than blackLevel + blackbarTreshold, we count it as black
                              // on 0-255. Needs to be fairly high (8 might not cut it) due to compression
                              // artifacts in the video itself
    staticSampleCols: 9,      // we take a column at [0-n]/n-th parts along the width and sample it
    randomSampleCols: 0,      // we add this many randomly selected columns to the static columns
    staticSampleRows: 9,      // forms grid with staticSampleCols. Determined in the same way. For black frame checks
    guardLine: {              // all pixels on the guardline need to be black, or else we trigger AR recalculation 
                              // (if AR fails to be recalculated, we reset AR)
      enabled: true,
      ignoreEdgeMargin: 0.20, // we ignore anything that pokes over the black line this close to the edge
                              // (relative to width of the sample)
      imageTestTreshold: 0.1, // when testing for image, this much pixels must be over blackbarTreshold
      edgeTolerancePx: 3,         // black edge violation is performed this far from reported 'last black pixel'
      edgeTolerancePercent: null  // unused. same as above, except use % of canvas height instead of pixels
    },
    arSwitchLimiter: {        // to be implemented 
      switches: 2,            // we can switch this many times
      period: 2.0             // per this period
    },
    edgeDetection: {
      sampleWidth: 8,        // we take a sample this wide for edge detection
      detectionTreshold: 4,  // sample needs to have this many non-black pixels to be a valid edge
      singleSideConfirmationTreshold: 0.3,   // we need this much edges (out of all samples, not just edges) in order
                                            // to confirm an edge in case there's no edges on top or bottom (other
                                           // than logo, of course)
      logoTreshold: 0.15,     // if edge candidate sits with count greater than this*all_samples, it can't be logo
                              // or watermark.
      edgeTolerancePx: 2,          // we check for black edge violation this far from detection point
      edgeTolerancePercent: null,  // we check for black edge detection this % of height from detection point. unused
      middleIgnoredArea: 0.2,      // we ignore this % of canvas height towards edges while detecting aspect ratios
      minColsForSearch: 0.5,       // if we hit the edge of blackbars for all but this many columns (%-wise), we don't
                                   // continue with search. It's pointless, because black edge is higher/lower than we
                                   // are now. (NOTE: keep this less than 1 in case we implement logo detection)
      edgeTolerancePx: 1,      // tests for edge detection are performed this far away from detected row 
    }
  },
  arChange: {
    samenessTreshold: 0.025,  // if aspect ratios are within 2.5% within each other, don't resize
  },
  miscFullscreenSettings: {
    videoFloat: "center"
  },
  colors:{
//     criticalFail: "background: #fa2; color: #000"
  },
  init: _se_init,
  save: _se_save,
  reload: _se_reload,
}