local Event = require 'utils.event'
local Gui = require 'utils.gui'
local Token = require 'utils.global_token'

local band_roles = require 'resources.band_roles'

local player_tags = {}
local player_tags_token = Token.register_global(player_tags)

Event.on_load(
    function()
        player_tags = Token.get_global(player_tags_token)
    end
)

local main_button_name = Gui.uid_name()
local main_frame_name = Gui.uid_name()
local band_button_name = Gui.uid_name()
local clear_button_name = Gui.uid_name()

local function player_joined(event)
    local player = game.players[event.player_index]
    if not player or not player.valid then
        return
    end

    if player.gui.top[main_button_name] ~= nil then
        return
    end

    player.gui.top.add {name = main_button_name, type = 'button', caption = 'tag'}
end

local function draw_main_frame(event)
    local left = event.player.gui.left
    local main_frame =
        left.add {type = 'frame', name = main_frame_name, caption = 'Choose your tag', direction = 'vertical'}

    main_frame.style.maximal_height = 500

    local scroll_pane = main_frame.add {type = 'scroll-pane', direction = 'vertical', vertical_scroll_policy = 'always'}

    scroll_pane.style.right_padding = 0

    for band_name, band_data in pairs(band_roles.roles) do
        local row = scroll_pane.add {type = 'flow', direction = 'horizontal'}

        local button = row.add {type = 'sprite-button', name = band_button_name, sprite = band_data.path}

        Gui.set_data(button, band_name)

        local role_label = row.add {type = 'label', caption = band_name}
        role_label.style.vertical_align = 'center'
        role_label.style.top_padding = 8

        local list = row.add {type = 'label'}

        list.style.minimal_width = 100
    end

    local flow = main_frame.add {type = 'flow'}
    flow.add {type = 'button', name = main_button_name, caption = 'close'}
    flow.add {type = 'button', name = clear_button_name, caption = 'clear tag'}
end

local function toggle(event)
    local left = event.player.gui.left
    local main_frame = left[main_frame_name]

    if main_frame then
        Gui.remove_data_recursivly(main_frame)
        main_frame.destroy()
    else
        draw_main_frame(event)
    end
end

Gui.on_click(main_button_name, toggle)

Gui.on_click(
    band_button_name,
    function(event)
		event.player.print(Gui.get_data(event.element))
		event.player.tag = '['..Gui.get_data(event.element)..']'
    end
)

Event.add(defines.events.on_player_joined_game, player_joined)