let version = "v0.5.12 token color";

$("#main").css({padding: "0.5em"});
//$('#main-button').click();

let tokens = [
  '+1',
  0, 0, -1, -1, -1, -2, -2,
  -3, -4,
  "Skull", "Skull", "Cape",
  "Fail", "+Effect"];

let phases = ["mythos", "investigation", "enemy", "keep-up"]

let rawDataInput;
let data;
let savedDateElem;
let savedDate = ""
let logDiv;
let playersElem;

function players() {
  let playersStr = playersElem.find("input").val().trim();
  let names = playersStr ? playersStr.split(/[, ]+/) : []; // ["Roland", "Skids"];
  return $("<div>").each(function() {
    for (let n of names) $(this).append(player(n));
  })
}

let colors = {
  clues: "#008000",
  damage: "#990000",
  doom: "#9f1da5",
  horror: "#0052cc",
  location: "#084408",
  phase: "#b74e91",
  resources: "#663300",
  uses: "#bb6622"
};

function locationChanged(added, place) {
  console.log("Location " + place + " was " + (added ? "added" : "removed"));
  let locations = $(".location")
  if (added) {
    locations.append($('<option>', {value:place, text:place}));
  } else {
    locations.find(`option[value='${place}']`).remove();
  }
}

let remoteStorageDataId = "remoteStorageId"
let remoteStorageInstanceId = 'fmaylinch.github.io/arkham-horror-lgc-tracker';

function loadRemoteStorage() {
  const remoteStorageId = getDataValue(remoteStorageDataId);
  if (!remoteStorageId) {
    addLog("Can't load remote storage because remoteStorageId is not set")
    return;
  }
  console.log("Loading state from remote storage with id: " + remoteStorageId)
  const remoteStorage = new RemoteStorage({
    userId: remoteStorageId,
    instanceId: remoteStorageInstanceId
  })
  remoteStorage.getItem('data').then(data => {
    if (data) {
      console.log("Remote data loaded, saving to localStorage")
      let rawData = JSON.stringify(data);
      window.localStorage.setItem("arkham", rawData);
      init();
    } else {
      addLog("Remote data not found")
    }
  });  
}

function saveRemoteStorage() {
  const remoteStorageId = getDataValue(remoteStorageDataId);
  if (!remoteStorageId) {
    addLog("Can't save remote storage because remoteStorageId is not set")
    return;
  }
  addLog("Saving state to remote storage with id: " + remoteStorageId)
    const remoteStorage = new RemoteStorage({
    userId: remoteStorageId,
    instanceId: remoteStorageInstanceId
  })
  remoteStorage.setItem('data', data).then(() => {
    addLog("Remote data saved")
  });  
}

init();

function init() {
  rawDataInput = dataInput();
  loadStorageData();
  savedDateElem = text(savedDate, "p");
  let debugElem = $("<pre>");
  // debugElem.text("show code").click(() => debugElem.text(codeMirror.getValue()))
  logDiv = $("<div>")
  let logContainer = $("<div>")
    .append(text("Action log", "p")
        .append(miniButton().text("clear").click(() => logDiv.empty())))
    .append(logDiv);
  playersElem = playersInput();
  let doom = counter("scenario.doom");
  addLog("tokens: " + tokens.join(", "));

  $("#main").empty()
  .append( text("Arkham Horror LGC", "h1") )
  .append( text(version, "p") )
  .append( text("", "p").append(link("ArkhamDB", "http://arkhamdb.com")) )

  .append( textarea("notes") )
  
  .append( text("Scenario", "h2") )
  .append( counter("scenario.act") )
  .append( counter("scenario.agenda") )
  .append( doom )
  
  .append( text("Locations (clues)", "h2") )
  .append( cardAdder("locations", "#0b3610",
      () => "e.g. " + random(["house clues 2", "house c 2", "house 2"]),
      [["clues"]], locationChanged)
  )

  .append( text("Other scenario cards", "h2") )
  .append( cardAdder("scenario", "#471616",
    () => "e.g. " + random(["ghoul 2", "wizard 2 1"]),
    [["damage"], ["damage", "doom"]])
  )
  
  .append( text("Common", "h2") )
  .append(
    select("phase", phases, (phase) => {
      if (phase === "mythos") {
        toastr.warning("Increased doom, pick cards");
        let doomInput = doom.find("input");
        doomInput.val(+doomInput.val() + 1).change();
      }
    })
  )
  .append( dice("token", tokens) )
  .append( dice("random", 100, 5) )

  .append( players() )
  
  .append( $("<hr>") )
  .append( playersElem )  
  .append( logContainer )
  .append( $("<hr>") )
  
  .append( text("Debug and experiments", "h3") )
  
  .append( text("RemoteStorage", "p") )
  .append( row([
    input(remoteStorageDataId, "", "userId"),
    miniButton().text("load").click(() => loadRemoteStorage()),
    miniButton().text("save").click(() => saveRemoteStorage()) ]))

  .append( text("localStorage", "p") )
  .append( rawDataInput )

  .append( text("Data loaded: " + now(), "p") )
  .append( row([ text("Data saved: ", "p"), savedDateElem ]) )
  .append( debugElem )
}

function fetchCode(url) {
  fetch(url)
    .then(resp => resp.text())
    .then(code => {
      codeMirror.setValue(code)
    })
}

function dice(name, n, times) {
  let t = text("").css({fontSize:30})
  return $("<div>").css({display:"flex", alignItems:"center"})
      .append(miniButton().css({padding: 7}).text(name).click(() => {
        // let result = Array(times ?? 1).fill().map(() => random(n)).join(", ");
        let r = random(n);
        if (n === 100) { // result is 0..99
            t.fadeOut('fast', () => {
              t.empty()
               .append($("<span>")
                       .css({padding:`0 ${r}px`, backgroundColor:"#b74e91"}))
               .append($("<span>")
                       .css({padding:`0 ${100-r}px`, backgroundColor:"#312450"}))
               .append(text(r))
               .fadeIn('slow');
             });
        } else {
          let color = "white";
          if ((""+r)[0] == "+") {
            color = "green"
          } else if (r == 0) {
            color = "white"
          } else {
            color = "red"
          }
          fade(t, r, color);
          addLog("Dice: " + r);
        }
      }))
      .append(t)
}

function fade(elem, value, color) {
  elem.fadeOut('slow', () => {
    elem.text(value)
    if (color) {
      elem.css({color});
    }
    elem.fadeIn('slow');
  });
}

function card(playerId, cardId, props, removeCallback) {
  let extraCss = {fontSize: "16px", padding: 0, width: 30, backgroundColor: "#660000"};
  let removeButton = miniButton(extraCss).text("X");
  let result = $("<div>");
  let oneRow = props.filter(p => isNaN(p)).length <= 2;
  if (!oneRow) result.append( row([ text(cardId, "p"), removeButton ]) );
  let counters = [];
  let cardsPath = playerId + ".cards";
  let cardPath = cardsPath + "." + cardId;
  for (let i=0; i < props.length; i++) {
    let id = cardPath + "." + props[i];
    let val0 = 0;
    if (!isNaN(props[i+1])) { // next item is the initial value
      val0 = +props[i+1];
      i++;
    }
    let cnt = counter(id, oneRow ? "" : undefined, val0);
    counters.push(cnt);
  }
  if (oneRow) {
    result.append(row([...counters, text(cardId), removeButton]));
  } else {
    counters.forEach(cnt => result.append(cnt));
  }
  removeButton.click(() => {
    result.hide('slow', () => result.remove());
    let cardsObj = getDataValue(cardsPath);
    deleteData(cardsPath, cardsObj, cardId);
    if (removeCallback) removeCallback(cardId);
  })
  return result
}

function miniButton(extraCss) {
  let css = {
    fontSize: "20px",
    textAlign: "center",
    backgroundColor: "#866dc5",
    margin: 5, padding: "3px 5px",
    cursor: "pointer"
  };
  Object.assign(css, extraCss || {})
  return $("<span>").css(css);
}

function player(name) {
  let id = name.toLowerCase();
  let locationSelect = select(id + ".location", locationsInData());
  locationSelect.find("select").addClass("location");
  let actionCounter = counter(id + ".actions");
  let resCounter = counter(id + ".resources", "");
  let extraCss = {fontSize: "16px", padding: "3px 5px"};
  let maxActions = 3;
  let nextBtn = miniButton(extraCss).text("keep-up (" + maxActions + ")");
  nextBtn.click(() => {
    let actionInput = actionCounter.find("input");
    let actions = +actionInput.val();
    if (actions === 0) {
      toastr.info('Take 1 card');
      let resInput = resCounter.find("input");
      actionInput.val(maxActions).change();
      resInput.val(+resInput.val() + 1).change();
    } else {
      maxActions = actions;
      nextBtn.text("keep-up (" + maxActions + ")")
    }
  })

  let result = $("<div>")
    .append( text(name, "h2") )
    .append( locationSelect )
    .append( row([ actionCounter, nextBtn ]) )
    .append( row([ resCounter, counter(id + ".clues", "") ]) )
    .append( row([ counter(id + ".damage", ""), counter(id + ".horror", "") ]) )
    //.append( counter(id + ".resources") )
    //.append( counter(id + ".clues") )
    //.append( counter(id + ".damage") )
    //.append( counter(id + ".horror") )
    
    .append( cardAdder(id, "#122a67",
        () => "e.g. " + random(["dog 3 1", "gun 3"]),
        [["uses"], ["damage", "horror"]])
    )
  
  return result
}

function select(id, opts, callback, title) {
  let field = $("<select>").css({backgroundColor:getColor(id, "#312450")});
  field.append($('<option>', {value:"-", text:"-"}));
  for (let op of opts) {
    field.append($('<option>', {value:op, text:op}));
  }
  let value = getDataValue(id);
  field.val(value);
  field.change(() => {
    updateData(id, field.val());
    if (callback) callback(field.val());
  });
  
  let extraCss = {fontSize: "16px", padding: "3px 5px"};
  let nextBtn = miniButton(extraCss).text("next");
  nextBtn.click(() => {
    let opts = field.find("option").toArray().map(x => x.value);
    let i = opts.indexOf(field.val());
    let iNext = (i+1) % opts.length;
    field.val(opts[iNext]).change();
  })
  
  if (title === "") {
    return row([ field, nextBtn ])
  }
  return row([ field, text(title || suffix(id)), nextBtn ])
}

function locationsInData() {
  let cardsObj = getDataValue("locations.cards");
  if (!cardsObj) return [];
  return Object.keys(cardsObj);
}

function cardAdder(baseId, bgColor, hint, defPropsVariants, callback) {
  let input = $("<input>")
    .attr("size", 30)
    .attr('placeholder', hint())
    .css({backgroundColor: bgColor})

  let mainDiv = $("<div>");
  let cardsDiv = $("<div>");
  
  // Create cards from data
  let cardsObj = getDataValue(baseId + ".cards");
  if (cardsObj) {
    for (let cardId of Object.keys(cardsObj)) {
      let cardData = cardsObj[cardId];
      let removeCallback = callback ? (x => callback(false, cardId)) : null;
      cardsDiv.append( card(baseId, cardId, Object.keys(cardData), removeCallback) );
    }
  }
  
  let intputAndButton = $("<div>").css({display:"flex", alignItems:"center"})
      .append(input)
      .append(miniButton().css({padding: "3px 10px"}).text("+").click(() => {
        let cleanValue = input.val().trim();
        if (!cleanValue) return;
        
        let parts = cleanValue.split(/ +/);
        if (parts.length == 1) {
          parts = [parts[0], ...defPropsVariants.at(-1)];
        }
        
        let cardId = parts.shift();
        let attrs = expandAttrs(parts);
          
        // if all attrs are numbers, they're values for default props
        // e.g. [2, 1] might be converted to [damage, 2, horror, 1]
        if (attrs.filter(a => isNaN(a)).length == 0) {
          for (let defProps of defPropsVariants) {
            if (attrs.length == defProps.length) {
              attrs = _.flatten(_.zip(defProps, attrs));
              break;
            }
          }
        }
          
        let removeCallback = callback ? (x => callback(false, cardId)) : null;
        let c = card(baseId, cardId, attrs, removeCallback).css({display: "none"})
        cardsDiv.append(c);
        c.show('slow');
        input.val("").attr('placeholder', hint())
        if (callback) callback(true, cardId);
      }))
  return $("<div>").append(cardsDiv).append(intputAndButton);
}

function expandAttrs(attrs) {
  let result = [];
  let knownAttrs = Object.keys(colors);
  for (let a of attrs) {
    result.push(a);
    for (let ka of knownAttrs) {
      if (ka.startsWith(a)) {
        result.pop();
        result.push(ka);
        break;
      }
    }
  }
  return result;
}

function now() {
  return new Date().toJSON().substr(0, 19).split('T').join(' ')
}

function text(str, tag) {
  return $("<" + (tag || "span") + ">").css({margin: 7}).text(str)
}

function suffix(str) {
  if (str.lastIndexOf(".") > 0) {
    str = str.substr(str.lastIndexOf(".") + 1)
  }
  return str
}

function row(elems) {
  let result = $("<div>").css({display:"flex", alignItems:"center"});
  elems.forEach(e => result.append(e));
  return result;
}

function counter(id, title, val0) {
  let value = getDataValue(id);
  if (value == undefined) {
    value = val0 ?? 0;
    updateData(id, value);
  }
  function counterColor(v) {
    if (v < 0) return "#5e42a6";
    if (v === 0) return "#866dc5";
    return getColor(id, "#312450");
  }
  let input = $("<input>")
    .attr("size", 3)
    .css({
      padding: 3, fontSize: 20, textAlign: "center",
      color: "#ddd", backgroundColor: counterColor(value)
    })
    .val(value)
    .change(() => {
      let v = +input.val();
      updateData(id, v);
      input.css({backgroundColor: counterColor(v)});
    });
  let buttonCss = {width: 35, padding: "3px 0"};
  let result = $("<div>").css({display:"flex", alignItems:"center"})
      .append(miniButton().css(buttonCss).text("-").click(() => {
          input.val(+input.val() - 1).change()
      }))
      .append(input)
      .append(miniButton().css(buttonCss).text("+").click(() => {
          input.val(+input.val() + 1).change() }))
  if (title === "") {
    return result;
  }
  return result.append(text(title || suffix(id)));
}

function input(id, title, hint) {
  let value = getDataValue(id);
  let field = $("<input>")
    .attr("size", 30)
    .css({backgroundColor:getColor(id, "#312450")}).val(value)
    .attr('placeholder', hint || "")
    .change(() => {
      updateData(id, field.val())
    });
  if (title === "") {
    return field;
  }
  return row([ field, text(title || suffix(id)) ])
}

function textarea(id, hint) {
  let value = getDataValue(id);
  let field = $("<textarea>")
    .val(value)
    .attr('rows', 6)
    .attr('placeholder', hint || suffix(id))
    .css({backgroundColor:"#312450"})
  field.change(function() {
      updateData(id, field.val())
    });
  return field
}

function dataInput() {
  let field = $("<textarea>").attr('rows', 5).css({backgroundColor:"#312450"})
  field.change(() => {
    console.log("dataInput changed")
    let storageItem = field.val() || ""
    window.localStorage.setItem("arkham", storageItem)
    savedDate = now()
    init(); // DOM will be recreated
  });
  return field;
}

function playersInput() {
  return input("players").each(function() {
    $(this).find("input")
      .css({color: "#ad91f4", backgroundColor: "#5e42a6"})
      .attr('placeholder', "e.g. Roland Skids")
      .change(() => {
        init(); // DOM will be recreated
      });
  });
}

function loadStorageData() {
  let storageItem = window.localStorage.getItem("arkham");
  console.log("Got value from localStorage: " + storageItem)
  if (!storageItem) {
    data = { scenario: {act: 1, agenda: 1, doom: 0 }, phase: "investigation" };
    storageItem = JSON.stringify(data);
  }
  rawDataInput.val(storageItem);
  data = JSON.parse(storageItem)
}

function saveStorageData() {
  let storageItem = JSON.stringify(data)
  rawDataInput.val(storageItem);
  window.localStorage.setItem("arkham", storageItem)
  savedDateElem.text(now())
}

function updateData(path, value, omitLog) {
  if (!omitLog) addLog(path + " = " + JSON.stringify(value));
  setDataValue(path, value);
  saveStorageData();
}

function deleteData(path, obj, id) {
  delete obj[id];
  updateData(path, obj, true);
  addLog("deleted " + path + "." + id);
}

function addLog(str) {
  if (logDiv) {
    let time = new Date().toISOString().substring(11, 19);
    logDiv.prepend($("<br>")).prepend($("<span>").text(time + " " + str));
  }
}

function getLastObjAndProp(obj, path) {
  let parts = path.split(".");
  let lastObj = parts.slice(0, -1).reduce((o, p) => {
    if (!o[p]) o[p] = {};
    return o[p];
  }, obj);
  return [lastObj, parts[parts.length-1]];
}

function getDataValue(path) {
  let [lastObj, lastProp] = getLastObjAndProp(data, path);
  return lastObj[lastProp];
}

function getColor(path, defaultColor) {
  let [lastObj, lastProp] = getLastObjAndProp(data, path);
  if (colors[lastProp]) {
    return colors[lastProp];
  }
  return defaultColor;
}

function setDataValue(path, value) {
  let [lastObj, lastProp] = getLastObjAndProp(data, path);
  lastObj[lastProp] = value;
}

// Returns a random integer number between 0 and n-1.
// If n is an array, returns a random element of n.
// If n is false, returns a random float number between 0 and 0.99.
function random(n) {
  if (!n) {
    return Math.floor(Math.random() * 100) / 100;
  }
  if (Array.isArray(n)) {
    return n[random(n.length)]
  }
  return Math.floor(Math.random() * n)
}

function link(str, url) {
  return $("<a>").attr('target', '_blank').attr('href', url)
    .css({color: "#55dd55"})
    .text(str);
}