-- name: \\#FF0000\\Breaking \\#0044FF\\News!
-- description: I made a news

-- this sets up network sync tables!
gGlobalSyncTable.showNewsTicker = false
gGlobalSyncTable.newsMessage = "NO BROADCAST RIGHT NOW."
gGlobalSyncTable.newsTheme = "RED"
gGlobalSyncTable.newsSpeed = 2

local textX = djui_hud_get_screen_width()

-- these are the themes.
local THEMES = {
    RED = { r = 255, g = 0, b = 0, hr = 140, hg = 0, hb = 0 },
    YELLOW = { r = 230, g = 190, b = 0, hr = 150, hg = 120, hb = 0 },
    GREEN = { r = 0, g = 200, b = 50, hr = 0, hg = 100, hb = 25 },
    BLUE = { r = 0, g = 100, b = 255, hr = 0, hg = 50, hb = 150 }
}

function render_my_news_ticker()
    if not gGlobalSyncTable.showNewsTicker then return end

    local screenWidth = djui_hud_get_screen_width()
    local screenHeight = djui_hud_get_screen_height()
    local barHeight = 50
    local barYPosition = screenHeight - barHeight

    -- if you dont have a theme, it falls back to red!
    local theme = THEMES[gGlobalSyncTable.newsTheme] or THEMES.RED

    -- this is the little header box thing.
    local headerWidth = 180
    local headerHeight = 25
    local headerYPosition = barYPosition - headerHeight

    djui_hud_set_color(theme.hr, theme.hg, theme.hb, 255)
    djui_hud_render_rect(0, headerYPosition, headerWidth, headerHeight)

    djui_hud_set_color(255, 255, 255, 255)
    djui_hud_set_font(FONT_NORMAL)
    djui_hud_print_text("Breaking news!", 10, headerYPosition + 3, 0.7)

    -- draw the ticker thing.
    djui_hud_set_color(theme.r, theme.g, theme.b, 255)
    djui_hud_render_rect(0, barYPosition, screenWidth, barHeight)

    -- this draws the message.
    local fullMessage = gGlobalSyncTable.newsMessage or ""
    if string.sub(fullMessage, -4) ~= " -- " then
        fullMessage = fullMessage .. " -- "
    end

    -- text font and scale stuff.
    djui_hud_set_font(FONT_NORMAL)
    local textScale = 1.0
    local textWidth = djui_hud_measure_text(fullMessage) * textScale

    -- YOU CANT DIVIDE BY ZERO THATS IMPOSSIBLE SO THIS CHECKS IF THAT HAPPENS
    if textWidth <= 0 then textWidth = 10 end

    -- make it left
    textX = textX - (gGlobalSyncTable.newsSpeed or 2)

    -- reset position!
    if textX <= -textWidth then
        textX = textX + textWidth
    end

    -- Infinite wrap
    djui_hud_set_color(255, 255, 255, 255)
    local currentX = textX
    while currentX < screenWidth do
        djui_hud_print_text(fullMessage, currentX, barYPosition + 12, textScale)
        currentX = currentX + textWidth
    end
end

-- now for the broadcast command.
function on_news_command(msg)
    if not network_is_server() then
        djui_chat_message_create("Error: Only the server host can update the news!")
        return true
    end

    if msg ~= "" then
        gGlobalSyncTable.newsMessage = "BREAKING NEWS: " .. msg:upper()
        textX = djui_hud_get_screen_width()
        -- Play notification chime for all players locally
        play_sound(SOUND_MENU_YOSHI_GAIN_LIVES, gMarioStates.marioObj.header.gfx.cameraToObject)
        djui_chat_message_create("Broadcast updated globally!")
    else
        djui_chat_message_create("please provide a string. Example: /news mario crashed the server")
    end
    return true
end

-- toggle the news
function on_toggle_news_command()
    if not network_is_server() then
        djui_chat_message_create("Error: Only the server host can toggle the news banner!")
        return true
    end

    gGlobalSyncTable.showNewsTicker = not gGlobalSyncTable.showNewsTicker
    if gGlobalSyncTable.showNewsTicker then
        play_sound(SOUND_MENU_ENTER_GAME, gMarioStates.marioObj.header.gfx.cameraToObject)
        djui_chat_message_create("News ticker is now VISIBLE.")
    else
        djui_chat_message_create("News ticker is now HIDDEN.")
    end
    return true
end

-- this is for configuring stuff like colors and speed
function on_news_config_command(msg)
    if not network_is_server() then
        djui_chat_message_create("Error: Only the host can configure banner settings!")
        return true
    end

    local args = {}
    for word in string.gmatch(msg, "%S+") do
        table.insert(args, word:upper())
    end

    if args[1] == "SPEED" and args[2] then
        local num = tonumber(args[2])
        if num and num >= 1 and num <= 10 then
            gGlobalSyncTable.newsSpeed = num
            djui_chat_message_create("Ticker scrolling speed set to: " .. num)
        else
            djui_chat_message_create("Error: Speed must be a number between 1 and 10.")
        end
    elseif args[1] == "COLOR" and args[2] then
        if THEMES[args[2]] then
            gGlobalSyncTable.newsTheme = args[2]
            djui_chat_message_create("Banner color theme changed to: " .. args[2])
        else
            djui_chat_message_create("Error: Available colors are RED, YELLOW, GREEN, BLUE.")
        end
    else
        djui_chat_message_create("Usage: /newsconfig speed [1-10] OR /newsconfig color [RED/YELLOW/GREEN/BLUE]")
    end
    return true
end

-- SYNC
function on_sync_table_change(key, value)
    if key == "newsMessage" then
        textX = djui_hud_get_screen_width()
        play_sound(SOUND_MENU_YOSHI_GAIN_LIVES, gMarioStates.marioObj.header.gfx.cameraToObject)
    elseif key == "showNewsTicker" and value == true then
        play_sound(SOUND_MENU_ENTER_GAME, gMarioStates.marioObj.header.gfx.cameraToObject)
    end
end

-- these are the hooks.
hook_event(HOOK_ON_HUD_RENDER, render_my_news_ticker)
hook_event(HOOK_ON_SYNC_TABLE_CHANGE, on_sync_table_change)
hook_chat_command("news", "[anything] - Broadcast a custom news alert globally", on_news_command)
hook_chat_command("togglenews", "- Show or hide the news ticker for all players", on_toggle_news_command)
hook_chat_command("newsconfig", "[speed/color] [value] - Adjust look and feel", on_news_config_command)