SaveFile Class

using PKHeX.Core;

// Load a save file
byte[] saveData = File.ReadAllBytes("save.bin");
var sav = SaveUtil.GetVariantSAV(saveData);

if (sav == null)
{
    Console.WriteLine("Invalid save file!");
    return;
}

Console.WriteLine($"Loaded {sav.Version} save file");
Console.WriteLine($"Trainer: {sav.OT}");
Console.WriteLine($"Play Time: {sav.PlayTimeString}");

// Make changes...
sav.Money = 999999;

// Save the file
var exportData = sav.Write();
File.WriteAllBytes("save_modified.bin", exportData.ToArray());

// Get party data
var party = sav.PartyData;
Console.WriteLine($"Party Count: {sav.PartyCount}");

foreach (var pk in party)
{
    Console.WriteLine($"{pk.Nickname} (Lv. {pk.CurrentLevel})");
}

// Add a Pokémon to party
var newPk = sav.BlankPKM;
newPk.Species = 25; // Pikachu
newPk.CurrentLevel = 50;
newPk.ResetPartyStats();

if (sav.PartyCount < 6)
{
    sav.SetPartySlotAtIndex(newPk, sav.PartyCount);
    Console.WriteLine("Added Pikachu to party!");
}

// Get Pokémon from specific box
var box1Pokemon = sav.GetBoxData(0);

// Iterate through all boxes
for (int box = 0; box < sav.BoxCount; box++)
{
    for (int slot = 0; slot < sav.BoxSlotCount; slot++)
    {
        var pk = sav.GetBoxSlotAtIndex(box, slot);
        if (pk.Species != 0) // Not empty
        {
            Console.WriteLine($"Box {box + 1}, Slot {slot + 1}: {pk.Nickname}");
        }
    }
}

// Set a Pokémon in a box
var myPokemon = new PK9();
myPokemon.Species = 6; // Charizard
myPokemon.CurrentLevel = 100;
sav.SetBoxSlotAtIndex(myPokemon, box: 0, slot: 0);

// Find next empty slot
int nextSlot = sav.NextOpenBoxSlot();
if (nextSlot != -1)
{
    Console.WriteLine($"Next empty slot: {nextSlot}");
}

// Sort all boxes by species
int moved = sav.SortBoxes();
Console.WriteLine($"Sorted {moved} Pokémon");

// Sort specific box range by level (descending)
moved = sav.SortBoxes(
    BoxStart: 0,
    BoxEnd: 2,
    sortMethod: (pkms, _) => pkms.OrderByDescending(p => p.CurrentLevel),
    reverse: false
);

// Clear all eggs from boxes
int deleted = sav.ClearBoxes(
    deleteCriteria: pk => pk.IsEgg
);
Console.WriteLine($"Deleted {deleted} eggs");

// Make all Pokémon shiny
int modified = sav.ModifyBoxes(
    action: pk => pk.SetShiny()
);
Console.WriteLine($"Made {modified} Pokémon shiny");

if (sav.HasPokeDex)
{
    // Check specific Pokémon
    bool seenPikachu = sav.GetSeen(25);
    bool caughtPikachu = sav.GetCaught(25);
    
    Console.WriteLine($"Pikachu - Seen: {seenPikachu}, Caught: {caughtPikachu}");
    
    // Mark as caught
    sav.SetCaught(25, true);
    sav.SetSeen(25, true);
    
    // Get completion stats
    Console.WriteLine($"Pokédex: {sav.CaughtCount}/{sav.MaxSpeciesID} ({sav.PercentCaught:P2})");
    Console.WriteLine($"Seen: {sav.SeenCount} ({sav.PercentSeen:P2})");
}

// Export all boxes to binary
byte[] pcData = sav.GetPCBinary();
File.WriteAllBytes("pc_backup.bin", pcData);

// Export single box
byte[] box1Data = sav.GetBoxBinary(0);
File.WriteAllBytes("box1.bin", box1Data);

// Import box data
byte[] importData = File.ReadAllBytes("box1.bin");
bool success = sav.SetBoxBinary(importData, box: 0);
if (success)
{
    Console.WriteLine("Box imported successfully!");
}

// Check if slot is locked
if (sav.IsBoxSlotLocked(box: 0, slot: 0))
{
    Console.WriteLine("Slot is locked!");
}

// Check overwrite protection
if (sav.IsBoxSlotOverwriteProtected(box: 0, slot: 0))
{
    Console.WriteLine("Cannot overwrite this slot");
}

// Get slot flags
var flags = sav.GetBoxSlotFlags(box: 0, slot: 0);
if (flags.HasFlag(StorageSlotSource.Party))
{
    Console.WriteLine("This Pokémon is in the party");
}