storage

type AudioConfig struct {
	Volume          float64 `json:"volume"`
	Muted           bool    `json:"muted"`
	FastForwardMute bool    `json:"fastForwardMute"` // Mute audio during fast-forward (default: true)
}

type BIOSConfig struct {
	Active string            `json:"active,omitempty"` // Active variant label, empty = none
	Files  map[string]string `json:"files,omitempty"`  // variant label -> file path
}

type Config struct {
	Version           int                     `json:"version"`
	Theme             string                  `json:"theme"`    // Theme name: "Default", "Dark", "Light", "Retro"
	FontSize          int                     `json:"fontSize"` // 10-32, default 14
	Video             VideoConfig             `json:"video"`
	Audio             AudioConfig             `json:"audio"`
	Window            WindowConfig            `json:"window"`
	Library           LibraryView             `json:"library"`
	Shaders           ShaderConfig            `json:"shaders"`
	Rewind            RewindConfig            `json:"rewind"`
	Input             InputConfig             `json:"input"`
	CoreOptions       map[string]string       `json:"coreOptions,omitempty"`
	BIOS              map[string]BIOSConfig   `json:"bios,omitempty"`
	RetroAchievements RetroAchievementsConfig `json:"retroAchievements"`
}

type ControllerProfile struct {
	ID          string            `json:"id"`
	SDLID       string            `json:"sdlId"`
	Controller  string            `json:"controller"`
	Name        string            `json:"name"`
	RumbleScale float64           `json:"rumbleScale"`        // intensity multiplier 0.0-3.0 in 0.05 steps, 0=off
	Bindings    map[string]string `json:"bindings,omitempty"` // button name -> pad button name override
}

type GameDisc struct {
	Index int    `json:"index"` // 0-based disc index (DiscNumber-1)
	File  string `json:"file"`  // Path to this disc's image on disk
	Name  string `json:"name"`  // Per-disc display name
}

type GameEntry struct {
	CRC32           string       `json:"crc32"`
	File            string       `json:"file,omitempty"`   // Cartridge ROM/archive path; disc games leave this empty and use Discs
	Name            string       `json:"name"`             // Full No-Intro name from RDB
	DisplayName     string       `json:"displayName"`      // Cleaned name for display (region info removed)
	Region          string       `json:"region"`           // "us", "eu", "jp" (from RDB)
	Serial          string       `json:"serial,omitempty"` // Disc/product serial (game ID), when known
	Developer       string       `json:"developer,omitempty"`
	Publisher       string       `json:"publisher,omitempty"`
	Genre           string       `json:"genre,omitempty"`
	Franchise       string       `json:"franchise,omitempty"`
	ESRBRating      string       `json:"esrbRating,omitempty"`
	ReleaseDate     string       `json:"releaseDate,omitempty"` // "Month / Year" format
	System          string       `json:"system,omitempty"`      // Variant name (e.g. "Neo Geo Pocket") - set when >1 RDB variant
	ConsoleID       int          `json:"consoleID,omitempty"`   // RetroAchievements console ID; 0 = use system default
	Favorite        bool         `json:"favorite"`              // User marked as favorite
	Missing         bool         `json:"missing"`               // true if ROM file not found
	PlayTimeSeconds int64        `json:"playTimeSeconds"`       // Total play time
	LastPlayed      int64        `json:"lastPlayed"`            // Unix timestamp
	Added           int64        `json:"added"`                 // Unix timestamp when added to library
	Settings        GameSettings `json:"settings"`              // Per-game settings

	// Discs lists the discs of a disc-based game (one entry even for a
	// single-disc game), ordered by Index. Empty for cartridge games,
	// which use File.
	Discs []GameDisc `json:"discs,omitempty"`
	// SelectedDisc is the 0-based slice index into Discs to launch.
	// Persisted so the chosen disc is remembered. Ignored when Discs is
	// empty.
	SelectedDisc int `json:"selectedDisc,omitempty"`
}

type GameSettings struct {
	SaveSlot int `json:"saveSlot,omitempty"` // Last-used save state slot (0-9)
}

type InputConfig struct {
	P1Keyboard         map[string]string   `json:"p1Keyboard,omitempty"`         // button name -> key name override
	DisableAnalogStick bool                `json:"disableAnalogStick,omitempty"` // disable analog stick mirroring d-pad
	Profiles           []ControllerProfile `json:"profiles,omitempty"`           // named controller mappings, in creation order
	Players            []PlayerConfig      `json:"players,omitempty"`            // player slot -> profile assignment
	PadMappings        map[string]string   `json:"padMappings,omitempty"`        // SDL GUID -> generated standard-layout mapping line
}

type Library struct {
	Version         int                   `json:"version"`
	ScanDirectories []ScanDirectory       `json:"scanDirectories"`
	ExcludedPaths   []string              `json:"excludedPaths"`
	Games           map[string]*GameEntry `json:"games"` // CRC32 hex string -> entry
}

type LibraryView struct {
	ViewMode        string `json:"viewMode"`        // "icon" or "list"
	SortBy          string `json:"sortBy"`          // "title", "lastPlayed", "playTime"
	FavoritesFilter bool   `json:"favoritesFilter"` // Show only favorites
}

type PlayerConfig struct {
	Profile string `json:"profile,omitempty"` // ControllerProfile.ID
}

type RetroAchievementsConfig struct {
	Enabled                 bool   `json:"enabled"`
	EncoreMode              bool   `json:"encoreMode"`              // Allow re-triggering unlocked achievements
	UnlockSound             bool   `json:"unlockSound"`             // Play sound on achievement unlock
	ShowNotification        bool   `json:"showNotification"`        // Show popup notification on achievement unlock
	AutoScreenshot          bool   `json:"autoScreenshot"`          // Take screenshot on achievement unlock
	SuppressHardcoreWarning bool   `json:"suppressHardcoreWarning"` // Hide "Unknown Emulator" hardcore warning
	SpectatorMode           bool   `json:"spectatorMode"`           // Watch achievements without submitting unlocks
	Username                string `json:"username,omitempty"`
	Token                   string `json:"token,omitempty"` // Auth token (password is never stored)
}

type RewindConfig struct {
	Enabled      bool `json:"enabled"`      // Default: false (off due to RAM usage)
	BufferSizeMB int  `json:"bufferSizeMB"` // Default: 40
	FrameStep    int  `json:"frameStep"`    // Default: 1 (capture every frame)
}

type ScanDirectory struct {
	Path      string `json:"path"`
	Recursive bool   `json:"recursive"`
}

type ShaderConfig struct {
	UIShaders   []string `json:"uiShaders"`   // Ordered list of shader IDs for UI context
	GameShaders []string `json:"gameShaders"` // Ordered list of shader IDs for Game context
}

type VideoConfig struct {
	AspectRatio string `json:"aspectRatio"`
}

type WindowConfig struct {
	Width      int  `json:"width"`
	Height     int  `json:"height"`
	X          *int `json:"x,omitempty"` // nil = OS decides position
	Y          *int `json:"y,omitempty"`
	Fullscreen bool `json:"fullscreen"`
}