Module:Infobox Monster

---

local p = {}
local findId = require("Module:FindId")
local infoboxModule = require('Module:Infobox')
local abilitiesData = mw.loadData("Module:Abilities/data")
local monstersData = mw.loadData("Module:Monsters/data")
local monstersStats = mw.loadData("Module:Monsters stats/data")
local headerCount = 1
local labelCount = 1
local dataCount = 1

local defaultAffinities = {
  {Melee = 1},
  {Magic = 1},
  {Range = 1},
  {Piercing = 1},
  {Blunt = 1},
  {Slashing = 1},
  {Fire = 1},
  {Ice = 1},
  {Nature = 1},
  {Chaos = 1},
  {Posion = 1},
  {Lightning = 1}
}
local affinitiesIcon = {
  [1] = "[[File:Melee splash.png|20px|link=Combat#Affinities]]",
  [2] = "[[File:Magic splash.png|20px|link=Combat#Affinities]]",
  [3] = "[[File:Range splash.png|20px|link=Combat#Affinities]]",
  [4] = "[[File:Stab splash.png|20px|link=Combat#Affinities]]",
  [5] = "[[File:Crush splash.png|20px|link=Combat#Affinities]]",
  [6] = "[[File:Slash splash.png|20px|link=Combat#Affinities]]",
  [7] = "[[File:Fire_splash.png|20px|link=Combat#Affinities]]",
  [8] = "[[File:Ice_splash.png|20px|link=Combat#Affinities]]",
  [9] = "[[File:Nature_splash.png|20px|link=Combat#Affinities]]",
  [10] = "[[File:Chaos_splash.png|20px|link=Combat#Affinities]]",
  [11] = "[[File:Poison_splash.png|20px|link=Combat#Affinities]]",
  [12] = "[[File:Lightning_splash.png|20px|link=Combat#Affinities]]"
}

-- Convert from CSV string to table (converts a single line of a CSV file)
local function fromCSV(s)
  if string.sub(s, -1) ~= ',' then
    s = s .. ',' -- ending comma
  end
  s = string.gsub(s, "[%[%]]", ""):gsub(",%s", ",")
  local t = {} -- table to collect fields
  local fieldstart = 1
  repeat
    local nexti = string.find(s, ',', fieldstart)
    table.insert(t, string.sub(s, fieldstart, nexti - 1))
    fieldstart = nexti + 1
  until fieldstart > string.len(s)
  return t
end

local function pairsByKeys(t, f)
  local a = {}
  local orgi_key_type
  for n in pairs(t) do
    if tonumber(n) == nil then
      table.insert(a, n)
      orgi_key_type = "word"
    elseif type(n) == "number" then
      table.insert(a, n)
      orgi_key_type = "int"
    elseif type(n) == "string" and type(tonumber(n) == "number") then
      orgi_key_type = "number"
      table.insert(a, tonumber(n))
    end
  end
  table.sort(a, f)
  local key
  local value
  local i = 0 -- iterator variable
  local iter = function() -- iterator function
    i = i + 1
    if a[i] == nil then
      return nil
    elseif orgi_key_type == "word" or orgi_key_type == "int" then
      key = a[i]
      value = t[a[i]]
    elseif orgi_key_type == "number" then
      key = tostring(a[i])
      value = t[tostring(a[i])]
    end
    return key, value
  end
  return iter
end

local function tchelper(first, rest)
  return first:upper() .. rest:lower()
end

local function capitalize(s)
  s = s:gsub("(%a)([%w_']*)", tchelper):gsub(" Of ", " of "):gsub(" The ", " the "):gsub("Ii", "II")
  return s
end

local function tablelength(T)
  local count = 0
  for _ in pairs(T) do
    count = count + 1
  end
  return count
end

local function h()
  local s = "header" .. headerCount
  headerCount = headerCount + 1
  labelCount = headerCount
  dataCount = headerCount
  return s
end

local function sbreak()
  local s = "sbreak" .. headerCount
  headerCount = headerCount + 1
  labelCount = headerCount
  dataCount = headerCount
  return s
end

local function l()
  local s = "label" .. labelCount
  dataCount = labelCount
  labelCount = labelCount + 1
  headerCount = labelCount
  return s
end

local function d()
  local s = "data" .. dataCount
  dataCount = dataCount + 1
  headerCount = dataCount
  labelCount = dataCount
  return s
end

local function sl()
  local s = "s" .. l {}
  return s
end

local function sd()
  local s = "s" .. d {}
  return s
end

local function rc()
  local s = "rowclass" .. labelCount
  return s
end

---Fetches a monster object from Module:Monsters/data.
---@param id string|number # The monster's ID.
---@return table? # The monster object, or nil if not found.
local function getMonster(id)
  local monster = monstersData[tostring(id)]
  if monster then
    return monster
  end
end

local function getMonsterStats(id)
  local monsterStats = monstersStats[tostring(id)]
  if not monsterStats then
    monsterStats =  mw.loadData("Module:Monsters stats dungeon/data")[tostring(id)]
    if not monsterStats then
      monsterStats = mw.loadData("Module:Monsters stats normal/data")[tostring(id)]
      if not monsterStats then
        return nil
      end
    end
  end
  return monsterStats
end

local function calcThreat(monster)
  local damageThreat = 2
  local weaponThreat = 3
  local armorThreat = 5
  local attackSpeedThreat = 3
  local attackSpeedThreatLevel = 2.4 / monster.attackSpeed
  local attackSpeedThreatFinal = attackSpeedThreatLevel * attackSpeedThreat
  local potentialDamageThreatFinal = (monster.attack + monster.strength + monster.magic + monster.range) * damageThreat
  local weaponThreatFinal = (monster.weapon.dexterity + monster.weapon.intellect + monster.weapon.strength) * weaponThreat
  local targetArmorRating = monster.armor.protection + monster.armor.resistance + monster.armor.agility * 1.5
  local armorThreatFinal = (targetArmorRating + monster.defense * 10) * armorThreat
  local baseThreat = (potentialDamageThreatFinal + weaponThreatFinal) * attackSpeedThreatFinal + armorThreatFinal
  return math.floor(baseThreat)
end

local function fullUrl(url)
  local newUrl = url
  if url:sub(1, 5) == "https" then
    return newUrl
  end
  if url:sub(1, 1) ~= "/" then
    newUrl = "/" .. newUrl
  end
  newUrl = "https://www.play.idlescape.com" .. newUrl
  return newUrl
end

local function createImgTag(monster)
  local attrs = {
    src = fullUrl(monster.image),
    alt = monster.name,
    width = "150px"
  }
  local img = mw.html.create('img'):attr(attrs)
  return tostring(img)
end

--- Formats a number up to a given number of decimal places, removing trailing zeros.
--- @param num number The number to format.
--- @param digits number The number of decimal places to include (must be a non-negative integer).
--- @return string The formatted number as a string.
local function toFixed(num, digits)
  digits = math.max(0, math.floor(digits))
  local formatted = string.format("%." .. digits .. "f", num):gsub("%.?0+$", "")
  return formatted
end

local function createOffAffinity(args, monsterStats)
  for index, value in pairsByKeys(defaultAffinities) do
    for affinity, affinityValue in pairs(value) do
      if monsterStats.offensiveDamageAffinity[affinity] then
        affinityValue = monsterStats.offensiveDamageAffinity[affinity]
        args[sl()] = affinitiesIcon[index]
        if affinityValue > 1 then
          args[sd()] = "<span style=\"color:#4caf50\">" .. toFixed((affinityValue - 1) * 100, 2) .. "%<span/>"
        elseif affinityValue < 1 then
          args[sd()] = "<span style=\"color:#f44336\">" .. toFixed((affinityValue - 1) * 100, 2) .. "%<span/>"
        else
          args[sd()] = toFixed((affinityValue - 1) * 100, 2) .. "%"
        end
      else
        args[sl()] = affinitiesIcon[index]
        args[sd()] = toFixed((affinityValue - 1) * 100, 2) .. "%"
      end
      if index % 3 == 0 then
        args["bodyclass"] = "equal-space"
        args[sbreak()] = "yes"
      end
    end
  end
  return args
end

local function createDeffAffinity(args, monsterStats)
  for index, value in pairsByKeys(defaultAffinities) do
    for affinity, affinityValue in pairs(value) do
      if monsterStats.defensiveDamageAffinity[affinity] then
        affinityValue = monsterStats.defensiveDamageAffinity[affinity]
        args[sl()] = affinitiesIcon[index]
        if affinityValue > 1 then
          args[sd()] = "<span style=\"color:#4caf50\">" .. toFixed((affinityValue - 1) * 100, 2) .. "%<span/>"
        elseif affinityValue < 1 then
          args[sd()] = "<span style=\"color:#f44336\">" .. toFixed((affinityValue - 1) * 100, 2) .. "%<span/>"
        else
          args[sd()] = toFixed((affinityValue - 1) * 100, 2) .. "%"
        end
      else
        args[sl()] = affinitiesIcon[index]
        args[sd()] = toFixed((affinityValue - 1) * 100, 2) .. "%"
      end
      if index % 3 == 0 then
        args["bodyclass"] = "equal-space"
        args[sbreak()] = "yes"
      end
    end
  end
  return args
end

local function createWikitextLinks(titles)
  local s = ""
  if titles then
    for index, value in ipairs(titles) do
      s = s .. "[[" .. capitalize(value) .. "]]"
      if tablelength(titles) > index then
        s = s .. ", "
      end
    end
  end
  return s
end

---Creates an Wikitext link with an image inside a div.
---@param title string # The title of the link.
---@param imageAttributes table # The html attributes for the image.
---@param divCSS table # The CSS styles for the div.
---@return string # The Wikitext link with the image.
local function createWikitextImage(title, imageAttributes, divCSS)
  divCSS = divCSS or {}
  divCSS["display"] = divCSS["display"] or "inline-block" --Makes the div same size as the image
  local e = mw.html.create("div")
    :css(divCSS)
    :tag("img")
    :attr(imageAttributes)
    :done()
  return string.format('[[%s|%s]]', title, tostring(e))
end

---Creates a Wikitext of links and images for the abilities.
---@param abilities table[] # Array of abilities, from monsters stats.
---@param unique? boolean # If falsy, creates an element for each ability in order, otherwie skips duplicate abilities.
---@return string # The Wikitext of links and images for the abilities.
local function createAbilityRotation(abilities, unique)
  local colors = {
    Melee = "red",
    Range = "green",
    Magic = "blue",
  }

  local seenIds = {}
  local images = {}
  for _, ability in ipairs(abilities) do
    if not seenIds[ability.id] then
      seenIds[ability.id] = unique and true or false
      local a = abilitiesData[tostring(ability.id)]
      local attributes = {
        src="https://www.play.idlescape.com" .. a.abilityImage,
        alt=a.abilityName .. ". " .. a.description,
        width=30
      }
      local css = {
        ["box-shadow"]=string.format("0 0 2px 1px %s", colors[a.damageType] or "white"),
        background=colors[a.damageType] or "white",
        margin="5px"
      }
      table.insert(images, createWikitextImage(a.abilityName, attributes, css))
    end
  end

  return table.concat(images, "")
end

---Gets the monster's DPS and damage type. Converted to Lua from CombatStats.tsx getAbilityInfo()
---@param stats table # ICombatStatsData
---@return {dps: number, primaryDamageType: string}
local function getDamageInfo(stats)
  local dps = 0
  local timeLeft = 1
  local attackSpeed = stats.attackSpeed
  local str = stats.strength * 2 + (stats.masteryStrength or 0) + stats.weapon.strength * 2
  local mgc = stats.magic * 2 + (stats.masteryMagic or 0) + stats.weapon.intellect * 2
  local rng = stats.range * 2 + (stats.masteryRange or 0) + stats.weapon.dexterity * 2
  local minHitMult = stats.hitMults.minimum
  local maxHitMult = stats.hitMults.maximum
  local meleeAbilityCount = 0
  local magicAbilityCount = 0
  local rangeAbilityCount = 0
  local bestOffensiveScaling = {[1]="none", [2]=0}
  local critChance = stats.offensiveCritical.chance
  local critDamage = stats.offensiveCritical.damageMultiplier

  for _, value in pairs(stats.abilities or {}) do
    local ability = abilitiesData[tostring(value.id)]
    if ability then
      local min = minHitMult * ability.baseMinimumDamageCoeff
      local max = maxHitMult * ability.baseMaximumDamageCoeff
      local damage = 0

      if ability.damageType == "Magic" then
        damage = (min * mgc + max * mgc) / 2
        magicAbilityCount = magicAbilityCount + 1
      elseif ability.damageType == "Melee" then
        damage = (min * str + max * str) / 2
        meleeAbilityCount = meleeAbilityCount + 1
      elseif ability.damageType == "Range" then
        damage = (min * rng + max * rng) / 2
        rangeAbilityCount = rangeAbilityCount + 1
      end

      local damageBonus = 0
      for _, damageScale in ipairs(ability.damageScaling) do
        local scalingHere = (stats.offensiveDamageAffinity[damageScale.affinity] or 1) * damageScale.scaling
        if scalingHere > 1 then
          damageBonus = damageBonus + scalingHere
        end
        if scalingHere > bestOffensiveScaling[2] then
          bestOffensiveScaling = {damageScale.affinity, scalingHere}
        end
      end

      damageBonus = damageBonus / (#ability.damageScaling > 0 and #ability.damageScaling or 1)
      damage = damage * damageBonus
      damage = damage * (critChance * critDamage + (1 - critChance))

      local dot = ability.healthChangeEvent
      if dot and not dot.targetsSelf and not ability.targetFriendly then
        damage = damage + dot.dotCount * -dot.healthChange
      end

      local abilitySpeed = attackSpeed * ability.baseSpeedCoeff
      local cooldown = (ability.cooldown or 0) / 1000
      if cooldown == 0 or abilitySpeed / cooldown > timeLeft then
        dps = dps + (damage / abilitySpeed) * timeLeft
        timeLeft = 0
        break
      end

      dps = dps + damage / cooldown
      timeLeft = timeLeft - abilitySpeed / cooldown
    end
  end

  local rotationFocus
  if meleeAbilityCount > magicAbilityCount + rangeAbilityCount then
    rotationFocus = "Melee"
  elseif magicAbilityCount > meleeAbilityCount + rangeAbilityCount then
    rotationFocus = "Magic"
  elseif rangeAbilityCount > meleeAbilityCount + magicAbilityCount then
    rotationFocus = "Range"
  else
    rotationFocus = "Hybrid"
  end

  local dataToReturn = {dps = dps, primaryDamageType = rotationFocus}
  return dataToReturn
end

---Creates an infobox for the monster.
---@param monster table # The monster object from Module:Monsters/data.
---@param monsterStats table # The monster stats object from Module:Monsters stats/data.
---@param zones string[] # The zones where the monster can be found.
---@param dps string # The monster's DPS and damage type.
---@param unique boolean # If falsy, creates an element for each ability in order, otherwie skips duplicate abilities.
---@return table # mw.html element; the infobox table.
local function createInfobox(monster, monsterStats, zones, dps, unique)
  local args = {}

  args.autoheaders = "y"
  args.subbox = "no"
  args.bodystyle = " "
  args.title = monster.name
  args.image = createImgTag(monster)
  args[l()] = "Zones"
  args[d()] = createWikitextLinks(zones)
  args[l()] = "Species"
  args[d()] = createWikitextLinks(monsterStats.species)
  if monsterStats.abilities then
    args[h()] = unique and "Ability list" or "Abilities"
    args[sd()] = createAbilityRotation(monsterStats.abilities, unique)
  end
  args[h()] = "Offensive Stats"
  args[sl()] = "Attack Speed"
  args[sd()] = tostring(monsterStats.attackSpeed)
  args[sl()] = "DPS"
  args[sd()] = tostring(dps)
  args[sl()] = "Crit Chance"
  args[sd()] = tostring(monsterStats.offensiveCritical.chance * 100) .. "%"
  args[sl()] = "Crit Multiplier"
  args[sd()] = tostring(monsterStats.offensiveCritical.damageMultiplier)
  args[h()] = "Offensive Affinities"
  createOffAffinity(args, monsterStats)
  args[h()] = "Defensive Stats"
  args[sl()] = "Threat"
  args[sd()] = calcThreat(monsterStats)
  args[sl()] = "Crit Avoidance"
  args[sd()] = tostring(monsterStats.defensiveCritical.chance * 100) .. "%"
  args[sl()] = "Crit Reduction"
  args[sd()] = tostring(monsterStats.defensiveCritical.damageMultiplier * 100) .. "%"
  args[h()] = "Defensive Affinities"
  createDeffAffinity(args, monsterStats)

  for key, data in pairs(args) do
    if string.find(key, "data") then
      args[key] = tostring(data)
    end
  end

  return infoboxModule.infobox(args)
end

---Finds the overriding monster with the given name.
---@param name string The name of the monster that overrides another monster.
---@return string|nil The ID of the monsters, or nil if not found.
---@return table|nil The stats for monster that overrides, or nil if not found.
local function findMonsterByOverrideName(name)
  for id, monster in pairs(monstersStats) do
    for overrideName, overrideMonster in pairs(monster.overrides or {}) do
      if overrideName == name then
        return id, overrideMonster
      end
    end
  end
end


function p.infoboxMonster(frame)
  local args = frame:getParent().args
  return p._infoboxMonster(args)
end

function p._infoboxMonster(_args)
  local name = _args[1] or _args["name"] or mw.title.getCurrentTitle().text
  local zones = _args["zones"] and fromCSV(_args["zones"]) or nil
  local unique = (_args["unique"] or _args["abilityList"]) and true or false

  local monsterError = "<div style=\"color:red\"> No monster named '" .. name ..
    "'. Some of the Modules: Monsters/data, Monsters_Ids/data or Monsters_stats/data might be outdated.</div>"

  local overrideStats
  local id = findId._findId({name, "monster"})
  if id == "id not found" then
    --Some monsters use same id as other monsters so we need to fetch their info differently
    id, overrideStats = findMonsterByOverrideName(name)
    if not id then
      return monsterError
    end
  end
  local monster = overrideStats and {name=name, image=overrideStats.imageOverride} or getMonster(id)
  if not monster then
    return monsterError
  end
  local stats = overrideStats or getMonsterStats(id)
  if not stats then
    return monsterError .. "<div style=\"color:red\">Please add monster stats to Module:Monsters_stats/data " .. 
      "if possible or try manually making <code><nowiki>{{Infobox}}</nowiki></code></div>"
  end

  local dps
  if _args["DPS"] then
    dps = _args["DPS"]
  else
    local damageInfo = getDamageInfo(stats)
    dps = string.format("%d (%s)", damageInfo.dps, damageInfo.primaryDamageType)
  end

  local infobox = createInfobox(monster, stats, zones, dps, unique)
  return infobox
end

return p