using CounterStrikeSharp.API;
using CounterStrikeSharp.API.Core;
using Microsoft.Extensions.Logging;
using Outnumbered.Config;

namespace Outnumbered;

// Entry point. The plugin is a sealed partial class split by concern across files
// (Persistence.cs, Commands.cs, ...) — cookbook §0.
public sealed partial class OutnumberedPlugin : BasePlugin, IPluginConfig<OutnumberedConfig>
{
    public override string ModuleName => "Outnumbered";
    public override string ModuleVersion => "1.0.0-modes";
    public override string ModuleAuthor => "snake";
    public override string ModuleDescription => "Players-vs-bots RPG / perk mod.";

    public OutnumberedConfig Config { get; set; } = new();
    public void OnConfigParsed(OutnumberedConfig config) => Config = config; // MUST assign (cookbook §0)

    // True between Load and Unload. Untracked one-shot AddTimer/NextFrame callbacks (SetupMap, the draft auto-pop, the
    // changelevel) check this so a hot-reload/unload landing inside their delay window no-ops instead of firing against a
    // torn-down instance. The REPEAT timers are killed explicitly in their Shutdown_*; this guards the deferred one-shots.
    private bool _live;

    public override void Load(bool hotReload)
    {
        Initialize_Database(hotReload);
        Initialize_Driver();
        Initialize_Handicap(); // structural guard: HandicapOverride mirrors HandicapConfig (fail-loud at load)
        Initialize_Stats();
        Initialize_Abilities();
        Initialize_Effects(); // survival burn-DoT tick (no-op outside survival)
        Initialize_Hud();
        Initialize_Shop();
        Initialize_Ranks();
        Initialize_Feel();
        Initialize_Api(); // the local UDS status/balance/top API — last: it reads the driver + effective handicap
        RegisterListener<Listeners.OnTick>(OnTick_All); // ONE per-tick roster walk fanning out to the subsystems
        RegisterSkillCommands();   // !s1..!sN direct skill-buy
        RegisterAbilityCommands(); // !ability1..!abilityN bindable casts
        _live = true;
        Logger.LogInformation("Outnumbered loaded (mode driver: {Mode}) — persistence + stats + progression + handicap + abilities + HUD + shop.", _driver.Id);
    }

    // ONE per-tick roster walk shared by all per-tick subsystems: Utilities.GetPlayers() allocates a List, so materializing
    // it once and fanning out (each subsystem keeps its own Enabled gate + throttle counter) avoids 3 extra full-roster
    // scans + List allocs per tick.
    private void OnTick_All()
    {
        var players = Utilities.GetPlayers();
        OnTick_Abilities(players);
        OnTick_Hud(players);
        OnTick_Shop(players);
        OnTick_Feel(players);
    }

    public override void Unload(bool hotReload)
    {
        _live = false; // make any in-flight one-shot timer/NextFrame callback a no-op
        RemoveListener<Listeners.OnTick>(OnTick_All);
        Shutdown_Api(); // reverse init order: stop serving (and unlink the socket) before the subsystems it reads tear down
        Shutdown_Feel();
        Shutdown_Ranks();
        Shutdown_Shop();
        Shutdown_Hud();
        Shutdown_Abilities();
        Shutdown_Effects();
        Shutdown_Stats();
        Shutdown_Driver();
        Shutdown_Database();
    }
}