local Commands = require 'expcore.commands'
local Global = require 'utils.global'
require 'config.expcore-commands.parse_general'

local homes = {}
Global.register(homes,function(tbl)
    homes = tbl
end)

local function teleport(player,position)
    local surface = player.surface
    local pos = surface.find_non_colliding_position('character',position,32,1)
    if not position then return false end
    if player.driving then player.driving = false end -- kicks a player out a vehicle if in one
    player.teleport(pos,surface)
    return true
end

local function floor_pos(position)
    return {
        x=math.floor(position.x),
        y=math.floor(position.y)
    }
end

Commands.new_command('home','Teleports you to your home location')
:register(function(player,raw)
    local home = homes[player.index]
    if not home or not home[1] then
        return Commands.error{'expcom-home.no-home'}
    end
    local rtn = floor_pos(player.position)
    teleport(player,home[1])
    home[2] = rtn
    Commands.print{'expcom-home.return-set',rtn.x,rtn.y}
end)

Commands.new_command('home-set','Sets your home location to your current position')
:register(function(player,raw)
    local home = homes[player.index]
    if not home then
        home = {}
        homes[player.index] = home
    end
    local pos = floor_pos(player.position)
    home[1] = pos
    Commands.print{'expcom-home.home-set',pos.x,pos.y}
end)

Commands.new_command('home-get','Returns your current home location')
:register(function(player,raw)
    local home = homes[player.index]
    if not home or not home[1] then
        return Commands.error{'expcom-home.no-home'}
    end
    local pos = home[1]
    Commands.print{'expcom-home.home-get',pos.x,pos.y}
end)

Commands.new_command('return','Teleports you to previous location')
:register(function(player,raw)
    local home = homes[player.index]
    if not home or not home[2] then
        return Commands.error{'expcom-home.no-return'}
    end
    local rtn = floor_pos(player.position)
    teleport(player,home[2])
    home[2] = rtn
    Commands.print{'expcom-home.return-set',rtn.x,rtn.y}
end)