local PLAYER_EVENT_ON_COMMAND = 42
local PLAYER_EVENT_ON_LOGIN = 3
local PREMIUM_FLAG_INDEX = 100
local SUMMON_COMPANION_SPELL_ID = 9000
local ACCOUNT_FLAG_RECURRING_BILLING = 8192

---todo extract to utils
---@param inputstr string
---@param separator string
---@return table
local function SplitString(inputstr, separator)
    if separator == nil then
        separator = "%s"
    end
    local t = {}
    for str in string.gmatch(inputstr, "([^" .. separator .. "]+)") do
        table.insert(t, str)
    end
    return t
end

---@return boolean
local function IsPremium(player)
    return player:HasFlag(PREMIUM_FLAG_INDEX)
end

local function OnPremiumPlayer(player)
    if not IsPremium(player) then
        return
    end

    player:SendBroadcastMessage('На вашем аккаунте активна подписка Premium! Благодарим за поддержку проекта MoonWell.')
end

local function RefreshPremiumStatus(player)
    local query = AuthDBQuery("SELECT flags FROM account WHERE id = " .. player:GetAccountId())

    if query then
        local function HasFlag(mask, flag)
            return bit.band(mask, flag) == flag
        end


        local flags = query:GetUInt32(0)

        if HasFlag(flags, ACCOUNT_FLAG_RECURRING_BILLING) then
            player:SetFlag(PREMIUM_FLAG_INDEX, 1)

            OnPremiumPlayer(player)

            return true
        end
    end


    return false
end

local function ApplyPremium(player)
    AuthDBExecute(
        string.format(
            "UPDATE account SET flags = flags | %d WHERE id = %d",
            ACCOUNT_FLAG_RECURRING_BILLING,
            player:GetAccountId()
        )
    )

    OnPremiumPlayer(player)
end

--- @param event any
--- @param player any
--- @param command string
--- @param chatHandler any
local function OnCommand(event, player, command, chatHandler)
    ---Console is not supported yet
    if not player then return end

    local parts = SplitString(command:lower(), ' ')

    if parts[1] ~= 'premium' then return end

    if parts[2] == 'add' then
        ApplyPremium(player:GetSelection())
    end
end



RegsiterPlayerEvent(PLAYER_EVENT_ON_LOGIN, RefreshPremiumStatus)
RegisterPlayerEvent(PLAYER_EVENT_ON_COMMAND, OnCommand)