local QBCore = exports['qb-core']:GetCoreObject()

local activeCompetitions = {}

QBCore.Functions.CreateCallback('qb-shootingrange:getHighscores', function(source, cb)
    local scores = json.decode(LoadResourceFile(GetCurrentResourceName(), "highscores.json") or "[]")
    cb(scores)
end)

RegisterNetEvent('qb-shootingrange:saveScore', function(name, score)
    local scores = json.decode(LoadResourceFile(GetCurrentResourceName(), "highscores.json") or "[]")
    
    local timestamp = os.date("%d.%m.%Y - %H:%M")
    
    table.insert(scores, {
        name = name,
        score = score,
        timestamp = timestamp
    })
    
    table.sort(scores, function(a, b) 
        return tonumber(a.score) > tonumber(b.score) 
    end)
    
    while #scores > Config.MaxHighscores do
        table.remove(scores, #scores)
    end
    
    SaveResourceFile(GetCurrentResourceName(), "highscores.json", json.encode(scores, {indent = true}), -1)
end)

RegisterNetEvent("qb-shootingrange:sendInvite")
AddEventHandler("qb-shootingrange:sendInvite", function(targetId)
    local src = source
    local inviterName = GetPlayerName(src)
    
    if not activeCompetitions[src] then
        activeCompetitions[src] = {
            host = src,
            players = {},
            scores = {}
        }
    end
    
    TriggerClientEvent("qb-shootingrange:receiveInvite", targetId, inviterName, src)
end)

RegisterNetEvent("qb-shootingrange:acceptInvite")
AddEventHandler("qb-shootingrange:acceptInvite", function(inviterId)
    local src = source
    local playerName = GetPlayerName(src)
    
    if activeCompetitions[inviterId] then
        activeCompetitions[inviterId].players[src] = true
        activeCompetitions[inviterId].scores[playerName] = 0
        
        TriggerClientEvent("qb-shootingrange:playerJoinedCompetition", inviterId, playerName)
    end
end)

RegisterNetEvent("qb-shootingrange:declineInvite")
AddEventHandler("qb-shootingrange:declineInvite", function(inviterId)
    local src = source
    local playerName = GetPlayerName(src)
    TriggerClientEvent("qb-shootingrange:inviteDeclined", inviterId, playerName)
end)

RegisterNetEvent("qb-shootingrange:startCompetition")
AddEventHandler("qb-shootingrange:startCompetition", function()
    local src = source
    
    if activeCompetitions[src] then
        for playerId, _ in pairs(activeCompetitions[src].players) do
            TriggerClientEvent("qb-shootingrange:competitionStarted", playerId)
        end
        TriggerClientEvent("qb-shootingrange:competitionStarted", src)
    end
end)

RegisterNetEvent("qb-shootingrange:cancelCompetition")
AddEventHandler("qb-shootingrange:cancelCompetition", function()
    local src = source
    
    if activeCompetitions[src] then
        for playerId, _ in pairs(activeCompetitions[src].players) do
            TriggerClientEvent("qb-shootingrange:competitionCancelled", playerId)
        end
        activeCompetitions[src] = nil
    end
end)

RegisterNetEvent("qb-shootingrange:updateCompetitionScore")
AddEventHandler("qb-shootingrange:updateCompetitionScore", function(score)
    local src = source
    local playerName = GetPlayerName(src)
    
    for _, competition in pairs(activeCompetitions) do
        if competition.players[src] or competition.host == src then
            competition.scores[playerName] = score
            
            for playerId, _ in pairs(competition.players) do
                TriggerClientEvent("qb-shootingrange:updateCompetition", playerId, competition.scores)
            end
            TriggerClientEvent("qb-shootingrange:updateCompetition", competition.host, competition.scores)
            break
        end
    end
end)