Module:Droprate

---

local p = {}

local line_divider = '\n<div class="line" style="margin:5px 0px 5px 0px; background-image:linear-gradient(to right,#0A0A0A,#646464,#0A0A0A)"></div>'

local function translate_dungeon_code(code)
	local codes = {
		[40] = "HR 225+",
		[30] = "HR 0-224",
		[20] = "LR",
		[10] = "PvE",
		[1] = "Goblin Caves",
		[11] = "Ice Cavern",
		[12] = "Ice Abyss",
		[21] = "Ruins",
		[22] = "Crypts",
		[23] = "Inferno"
	}
	
	local found_dungeon = codes[code]
	if found_dungeon == nil then
		return code
	else
		return found_dungeon
	end
end

local function create_div_tab(id, is_displayed)
	if is_displayed then
		return '<div class="'.. id ..'-data">'
	else
		return '<div class="'.. id ..'-data" style="display:none;">'
	end
end

local function create_tab_toggle(tab_id, tab_number, title, content, selected)
	if selected then
		return '<div class="selected-tab tab-toggle tab" data-tabid="'..tab_id..'" data-tab="'..tab_number..'" title="'..title..'">'..content..'</div>'
	else
		return '<div class="tab-toggle tab" data-tabid="'..tab_id..'" data-tab="'..tab_number..'" title="'..title..'">'..content..'</div>'
	end
end

local function create_tabs_from_list(tab_list, tab_id)
	if tab_list == nil then return '' end

	local tab_toggles_html = ''
	for i,tab in ipairs(tab_list) do
		if i == 1 then
			tab_toggles_html = tab_toggles_html..create_tab_toggle(tab_id, tab, tab, translate_dungeon_code(tab), true)
		else
			tab_toggles_html = tab_toggles_html..create_tab_toggle(tab_id, tab, tab, translate_dungeon_code(tab), false)
		end
	end
	return tab_toggles_html
end

local function round(number, decimalPlaces)
	return tonumber(string.format("%."..(decimalPlaces or 0).."f", number))
end

local function create_droprate_table(droprate_data, lootdrop_data, dungeongrade)
	if droprate_data[dungeongrade] == nil then return '' end

	-- Table header
	local droprate_table = '<table cellspacing="0" class="loottable stripedtable sortable jquery-tablesorter mw-collapsible" style="width:100%"><caption>Drop rates</caption>'
		..'<tr><th style="width:5%">Luck grade</th><th style="width:5%">Probability</th><th style="width:5%">Probability per item</th><th style="width:5%">Item count</th></tr>'

	-- Table body
	for _, luckgrade in ipairs(droprate_data[dungeongrade]["luckgrade_order"]) do
		local probability = droprate_data[dungeongrade]["luckgrade"][luckgrade]
		local item_count = lootdrop_data["luckgrade"][luckgrade]
		-- Table row
		droprate_table = droprate_table.."<tr class='cr"..luckgrade.."'><td><b>"..luckgrade.."</b></td><td><b>".. 100*probability.."%</b></td><td><b>"..round(100*probability/item_count,4).."%</b></td><td><b>"..item_count.."</b></td></tr>"
	end

	return droprate_table..'</table>'
end

function p.create_droprate_tables(frame)
	local droprate_filename = "Data:Droprate Monsters Bosses.json"
	local lootdrop_filename = "Data:Lootdrop GhostKing.json"

	-- Load lootdrop_filename
	local lootdrop_data = mw.loadJsonData(lootdrop_filename)
	-- Check if lootdrop_data is nil, if so return an error message
	if lootdrop_data == nil then return "Lootdrop data file '"..lootdrop_filename.."' could not be found." end

	-- Load droprate_filename
	local droprate_data = mw.loadJsonData(droprate_filename)
	-- Check if droprate_data is nil, if so return an error message
	if droprate_data == nil then return "Droprate data file '"..droprate_filename.."' could not be found." end

	-- The following nested code creates a series of divs with respective tab toggles for the different modes, maps, and lootdrops in the droprate data.
	-- The outermost div is for the entire table, and the innermost div is for each specific dungeongrade.

	-- Create the tabs for the modes in mode_order
	local resulting_table = create_tabs_from_list(droprate_data["mode_order"],"0")
	for i,mode in ipairs(droprate_data["mode_order"]) do -- 4 nodes
		-- Create a div and tabs for each specific mode
		resulting_table = resulting_table..create_div_tab(mode, i == 1)..create_tabs_from_list(droprate_data["map_order"][mode],"1"..i)
		for j,map in ipairs(droprate_data["map_order"][mode]) do -- 1 to 6 nodes
			-- Create div and tabs for each specific map
			resulting_table = resulting_table..create_div_tab(map, j == 1)..create_tabs_from_list(droprate_data["lootdrop_order"][mode][map],"2"..i..j)
			for k,dungeongrade in ipairs(droprate_data["lootdrop_order"][mode][map]) do -- 1 to 6 nodes, example data only has 1 node atm
				-- Create a div and table for each specific dungeongrade
				resulting_table = resulting_table..create_div_tab(dungeongrade, k == 1)..create_droprate_table(droprate_data, lootdrop_data, dungeongrade)..'</div>'
			end
			resulting_table = resulting_table..'</div>'
		end
		resulting_table = resulting_table..'</div>'
	end

	return resulting_table
end

return p