-- WolfAdmin module for Wolfenstein: Enemy Territory servers.
-- Copyright (C) 2015-2016 Timo 'Timothy' Smit

-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- at your option any later version.

-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-- GNU General Public License for more details.

-- You should have received a copy of the GNU General Public License
-- along with this program.  If not, see <http://www.gnu.org/licenses/>.

local util = require "luascripts.wolfadmin.util.util"
local settings = require "luascripts.wolfadmin.util.settings"
local db = require "luascripts.wolfadmin.db.db"
local commands = require "luascripts.wolfadmin.commands.commands"
local stats = require "luascripts.wolfadmin.players.stats"

function commandListLevels(clientId, cmdArguments)
    if cmdArguments[1] == nil then
        local fileName = et.trap_Cvar_Get("g_shrubbot")
        local functionStart = et.trap_Milliseconds()
        local fileDescriptor, fileLength = et.trap_FS_FOpenFile(fileName, et.FS_READ)
        local levelsCount = 0
        
        if fileLength == -1 then
            et.trap_SendConsoleCommand(et.EXEC_APPEND, "csay "..clientId.." \"^dlistlevels: ^9an error happened (shrubbot file could not be opened)\";")
            
            error("failed to open "..fileName.."\n")
        end
        
        local fileString = et.trap_FS_Read(fileDescriptor, fileLength)
        
        et.trap_FS_FCloseFile(fileDescriptor)
        
        for entry, levelNr, levelName, levelFlags in string.gmatch(fileString, "(%[level%]\nlevel%s+=%s+(-?[0-9]+)\nname%s+=%s+([%a%d%p ]+)\nflags%s+=%s+([%a%d%p]*)\n\n)") do
            -- et.G_Print(string.format("%d %s %s\n", levelNr, levelName, levelFlags))
            
            local numberOfSpaces = 24 - string.len(util.removeColors(levelName))
            local spaces = string.rep(" ", numberOfSpaces)
            
            et.trap_SendConsoleCommand(et.EXEC_APPEND, "csay "..clientId.." \"^7"..string.format("%5s", levelNr).." ^7"..spaces..levelName.." ^7"..levelFlags.."\";")
            
            levelsCount = levelsCount + 1
        end
        
        et.trap_SendConsoleCommand(et.EXEC_APPEND, "cchat "..clientId.." \"^dlistlevels: ^9"..levelsCount.." available levels (open console for the full list)\";")
        
        return true
    elseif settings.get("db_type") == "cfg" then
        et.trap_SendConsoleCommand(et.EXEC_APPEND, "csay "..clientId.." \"^dlistlevels: ^9level history is disabled.\";")
        
        return true
    elseif tonumber(cmdArguments[1]) == nil then
        cmdClient = et.ClientNumberFromString(cmdArguments[1])
    else
        cmdClient = tonumber(cmdArguments[1])
    end
    
    if cmdClient == -1 then
        et.trap_SendConsoleCommand(et.EXEC_APPEND, "csay "..clientId.." \"^dlistlevels: ^9no or multiple matches for '^7"..cmdArguments[1].."^9'.\";")
        
        return true
    elseif not et.gentity_get(cmdClient, "pers.netname") then
        et.trap_SendConsoleCommand(et.EXEC_APPEND, "csay "..clientId.." \"^dlistlevels: ^9no connected player by that name or slot #\";")
        
        return true
    end
    
    local player = db.getplayer(stats.get(cmdClient, "playerGUID"))["id"]
    local levels = db.getlevels(player)
    
    if not (levels and #levels > 0) then
        et.trap_SendConsoleCommand(et.EXEC_APPEND, "csay "..clientId.." \"^dlistlevels: ^9there are no recorded levels for player ^7"..et.gentity_get(cmdClient, "pers.netname").."^9.\";")
    else
        et.trap_SendConsoleCommand(et.EXEC_APPEND, "csay "..clientId.." \"^dLevels for ^7"..et.gentity_get(cmdClient, "pers.netname").."^d:\";")
        for id, level in pairs(levels) do
            et.trap_SendConsoleCommand(et.EXEC_APPEND, "csay "..clientId.." \"^f"..string.format("%4s", level["id"]).." ^7"..string.format("%-20s", util.removeColors(db.getlastalias(level["admin_id"])["alias"])).." ^f"..os.date("%d/%m/%Y", level["datetime"]).." ^7"..level["level"].."\";")
        end
        
        et.trap_SendConsoleCommand(et.EXEC_APPEND, "cchat "..clientId.." \"^dlistlevels: ^9recorded levels for ^7"..et.gentity_get(cmdClient, "pers.netname").." ^9were printed to the console.\";")
    end
    
    return true
end
commands.addadmin("listlevels", commandListLevels, "s", "display all levels on the server")