package app

import (
	"fmt"
	"io"
	"os"
	"path/filepath"

	_ "cosmossdk.io/api/cosmos/tx/config/v1" // import for side-effects
	"cosmossdk.io/depinject"
	"cosmossdk.io/log"
	storetypes "cosmossdk.io/store/types"
	_ "cosmossdk.io/x/circuit" // import for side-effects
	circuitkeeper "cosmossdk.io/x/circuit/keeper"
	_ "cosmossdk.io/x/evidence" // import for side-effects
	evidencekeeper "cosmossdk.io/x/evidence/keeper"
	feegrantkeeper "cosmossdk.io/x/feegrant/keeper"
	_ "cosmossdk.io/x/feegrant/module" // import for side-effects
	nftkeeper "cosmossdk.io/x/nft/keeper"
	_ "cosmossdk.io/x/nft/module" // import for side-effects
	_ "cosmossdk.io/x/upgrade"    // import for side-effects
	upgradekeeper "cosmossdk.io/x/upgrade/keeper"

	"github.com/cometbft/cometbft/proto/tendermint/types"
	dbm "github.com/cosmos/cosmos-db"
	"github.com/cosmos/cosmos-sdk/baseapp"
	"github.com/cosmos/cosmos-sdk/client"
	"github.com/cosmos/cosmos-sdk/codec"
	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
	"github.com/cosmos/cosmos-sdk/runtime"
	"github.com/cosmos/cosmos-sdk/server"
	"github.com/cosmos/cosmos-sdk/server/api"
	"github.com/cosmos/cosmos-sdk/server/config"
	servertypes "github.com/cosmos/cosmos-sdk/server/types"
	sdk "github.com/cosmos/cosmos-sdk/types"
	"github.com/cosmos/cosmos-sdk/types/module"
	"github.com/cosmos/cosmos-sdk/x/auth"
	_ "github.com/cosmos/cosmos-sdk/x/auth" // import for side-effects
	authkeeper "github.com/cosmos/cosmos-sdk/x/auth/keeper"
	authsims "github.com/cosmos/cosmos-sdk/x/auth/simulation"
	_ "github.com/cosmos/cosmos-sdk/x/auth/tx/config" // import for side-effects
	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
	_ "github.com/cosmos/cosmos-sdk/x/auth/vesting" // import for side-effects
	authzkeeper "github.com/cosmos/cosmos-sdk/x/authz/keeper"
	_ "github.com/cosmos/cosmos-sdk/x/authz/module" // import for side-effects
	_ "github.com/cosmos/cosmos-sdk/x/bank"         // import for side-effects
	bankkeeper "github.com/cosmos/cosmos-sdk/x/bank/keeper"
	_ "github.com/cosmos/cosmos-sdk/x/consensus" // import for side-effects
	consensuskeeper "github.com/cosmos/cosmos-sdk/x/consensus/keeper"
	_ "github.com/cosmos/cosmos-sdk/x/crisis" // import for side-effects
	crisiskeeper "github.com/cosmos/cosmos-sdk/x/crisis/keeper"
	_ "github.com/cosmos/cosmos-sdk/x/distribution" // import for side-effects
	distrkeeper "github.com/cosmos/cosmos-sdk/x/distribution/keeper"
	"github.com/cosmos/cosmos-sdk/x/genutil"
	genutiltypes "github.com/cosmos/cosmos-sdk/x/genutil/types"
	"github.com/cosmos/cosmos-sdk/x/gov"
	govclient "github.com/cosmos/cosmos-sdk/x/gov/client"
	govkeeper "github.com/cosmos/cosmos-sdk/x/gov/keeper"
	govtypes "github.com/cosmos/cosmos-sdk/x/gov/types"
	groupkeeper "github.com/cosmos/cosmos-sdk/x/group/keeper"
	_ "github.com/cosmos/cosmos-sdk/x/group/module" // import for side-effects
	_ "github.com/cosmos/cosmos-sdk/x/mint"         // import for side-effects
	mintkeeper "github.com/cosmos/cosmos-sdk/x/mint/keeper"
	_ "github.com/cosmos/cosmos-sdk/x/params" // import for side-effects
	paramsclient "github.com/cosmos/cosmos-sdk/x/params/client"
	paramskeeper "github.com/cosmos/cosmos-sdk/x/params/keeper"
	paramstypes "github.com/cosmos/cosmos-sdk/x/params/types"
	_ "github.com/cosmos/cosmos-sdk/x/slashing" // import for side-effects
	slashingkeeper "github.com/cosmos/cosmos-sdk/x/slashing/keeper"
	_ "github.com/cosmos/cosmos-sdk/x/staking" // import for side-effects
	stakingkeeper "github.com/cosmos/cosmos-sdk/x/staking/keeper"

	_ "github.com/cosmos/ibc-go/modules/capability" // import for side-effects
	capabilitykeeper "github.com/cosmos/ibc-go/modules/capability/keeper"
	_ "github.com/cosmos/ibc-go/v8/modules/apps/27-interchain-accounts" // import for side-effects
	icacontrollerkeeper "github.com/cosmos/ibc-go/v8/modules/apps/27-interchain-accounts/controller/keeper"
	icahostkeeper "github.com/cosmos/ibc-go/v8/modules/apps/27-interchain-accounts/host/keeper"
	_ "github.com/cosmos/ibc-go/v8/modules/apps/29-fee" // import for side-effects
	ibcfeekeeper "github.com/cosmos/ibc-go/v8/modules/apps/29-fee/keeper"
	ibctransferkeeper "github.com/cosmos/ibc-go/v8/modules/apps/transfer/keeper"
	ibckeeper "github.com/cosmos/ibc-go/v8/modules/core/keeper"

	collateralmodulekeeper "github.com/productscience/inference/x/collateral/keeper"
	inferencemodulekeeper "github.com/productscience/inference/x/inference/keeper"
	inferencegenesis "github.com/productscience/inference/x/inference/module"
	inferencetypes "github.com/productscience/inference/x/inference/types"
	streamvestingmodulekeeper "github.com/productscience/inference/x/streamvesting/keeper"

	blsmodulekeeper "github.com/productscience/inference/x/bls/keeper"
	bookkeepermodulekeeper "github.com/productscience/inference/x/bookkeeper/keeper"
	restrictionsmodulekeeper "github.com/productscience/inference/x/restrictions/keeper"

	genesistransfermodulekeeper "github.com/productscience/inference/x/genesistransfer/keeper"
	// this line is used by starport scaffolding # stargate/app/moduleImport

	// WASM

	wasmkeeper "github.com/CosmWasm/wasmd/x/wasm/keeper"
	wasmtypes "github.com/CosmWasm/wasmd/x/wasm/types"

	"github.com/productscience/inference/docs"
)

const (
	AccountAddressPrefix = "gonka"
	Name                 = "inference"
)

var (
	// DefaultNodeHome default home directories for the application daemon
	DefaultNodeHome string
)

var (
	_ runtime.AppI            = (*App)(nil)
	_ servertypes.Application = (*App)(nil)
)

// App extends an ABCI application, but with most of its parameters exported.
// They are exported for convenience in creating helper functions, as object
// capabilities aren't needed for testing.
type App struct {
	*runtime.App
	legacyAmino       *codec.LegacyAmino
	appCodec          codec.Codec
	txConfig          client.TxConfig
	interfaceRegistry codectypes.InterfaceRegistry

	// keepers
	AccountKeeper         authkeeper.AccountKeeper
	BankKeeper            bankkeeper.Keeper
	StakingKeeper         *stakingkeeper.Keeper
	DistrKeeper           distrkeeper.Keeper
	ConsensusParamsKeeper consensuskeeper.Keeper

	SlashingKeeper       slashingkeeper.Keeper
	MintKeeper           mintkeeper.Keeper
	GovKeeper            *govkeeper.Keeper
	CrisisKeeper         *crisiskeeper.Keeper
	UpgradeKeeper        *upgradekeeper.Keeper
	ParamsKeeper         paramskeeper.Keeper
	AuthzKeeper          authzkeeper.Keeper
	EvidenceKeeper       evidencekeeper.Keeper
	FeeGrantKeeper       feegrantkeeper.Keeper
	GroupKeeper          groupkeeper.Keeper
	NFTKeeper            nftkeeper.Keeper
	CircuitBreakerKeeper circuitkeeper.Keeper

	// IBC
	IBCKeeper           *ibckeeper.Keeper // IBC Keeper must be a pointer in the app, so we can SetRouter on it correctly
	CapabilityKeeper    *capabilitykeeper.Keeper
	IBCFeeKeeper        ibcfeekeeper.Keeper
	ICAControllerKeeper icacontrollerkeeper.Keeper
	ICAHostKeeper       icahostkeeper.Keeper
	TransferKeeper      ibctransferkeeper.Keeper

	// Scoped IBC
	ScopedIBCKeeper           capabilitykeeper.ScopedKeeper
	ScopedIBCTransferKeeper   capabilitykeeper.ScopedKeeper
	ScopedICAControllerKeeper capabilitykeeper.ScopedKeeper
	ScopedICAHostKeeper       capabilitykeeper.ScopedKeeper

	// Wasm
	WasmKeeper       wasmkeeper.Keeper
	ScopedWasmKeeper capabilitykeeper.ScopedKeeper

	BlsKeeper             blsmodulekeeper.Keeper
	BookkeeperKeeper      bookkeepermodulekeeper.Keeper
	InferenceKeeper       inferencemodulekeeper.Keeper
	CollateralKeeper      collateralmodulekeeper.Keeper
	StreamvestingKeeper   streamvestingmodulekeeper.Keeper
	RestrictionsKeeper    restrictionsmodulekeeper.Keeper
	GenesistransferKeeper genesistransfermodulekeeper.Keeper
	// this line is used by starport scaffolding # stargate/app/keeperDeclaration

	sm *module.SimulationManager
}

func init() {
	userHomeDir, err := os.UserHomeDir()
	if err != nil {
		//nolint:forbidigo
		// init code
		panic(err)
	}

	DefaultNodeHome = filepath.Join(userHomeDir, "."+Name)
}

// getGovProposalHandlers return the chain proposal handlers.
func getGovProposalHandlers() []govclient.ProposalHandler {
	var govProposalHandlers []govclient.ProposalHandler
	// this line is used by starport scaffolding # stargate/app/govProposalHandlers

	govProposalHandlers = append(govProposalHandlers,
		paramsclient.ProposalHandler,
		// this line is used by starport scaffolding # stargate/app/govProposalHandler
	)

	return govProposalHandlers
}

// AppConfig returns the default app config.
func AppConfig() depinject.Config {
	return depinject.Configs(
		appConfig,
		// Loads the app config from a YAML file.
		// appconfig.LoadYAML(AppConfigYAML),
		depinject.Supply(
			// supply custom module basics
			map[string]module.AppModuleBasic{
				genutiltypes.ModuleName: genutil.NewAppModuleBasic(genutiltypes.DefaultMessageValidator),
				govtypes.ModuleName:     gov.NewAppModuleBasic(getGovProposalHandlers()),
				// this line is used by starport scaffolding # stargate/appConfig/moduleBasic
			},
		),
	)
}

// New returns a reference to an initialized App.
func New(
	logger log.Logger,
	db dbm.DB,
	traceStore io.Writer,
	loadLatest bool,
	appOpts servertypes.AppOptions,
	wasmOpts []wasmkeeper.Option,
	baseAppOptions ...func(*baseapp.BaseApp),
) (*App, error) {
	var (
		app        = &App{}
		appBuilder *runtime.AppBuilder

		// merge the AppConfig and other configuration in one config
		appConfig = depinject.Configs(
			AppConfig(),
			depinject.Supply(
				// Supply the application options
				appOpts,
				// Supply with IBC keeper getter for the IBC modules with App Wiring.
				// The IBC Keeper cannot be passed because it has not been initiated yet.
				// Passing the getter, the app IBC Keeper will always be accessible.
				// This needs to be removed after IBC supports App Wiring.
				app.GetIBCKeeper,
				app.GetCapabilityScopedKeeper,
				// Supply the logger
				app.GetWasmKeeper,
				logger,
			),
		)
	)

	if err := depinject.Inject(appConfig,
		&appBuilder,
		&app.appCodec,
		&app.legacyAmino,
		&app.txConfig,
		&app.interfaceRegistry,
		&app.AccountKeeper,
		&app.BankKeeper,
		&app.BlsKeeper,
		&app.BookkeeperKeeper,
		&app.StakingKeeper,
		&app.DistrKeeper,
		&app.ConsensusParamsKeeper,
		&app.SlashingKeeper,
		&app.MintKeeper,
		&app.GovKeeper,
		&app.CrisisKeeper,
		&app.UpgradeKeeper,
		&app.ParamsKeeper,
		&app.AuthzKeeper,
		&app.EvidenceKeeper,
		&app.FeeGrantKeeper,
		&app.NFTKeeper,
		&app.GroupKeeper,
		&app.CircuitBreakerKeeper,
		&app.InferenceKeeper,
		&app.CollateralKeeper,
		&app.StreamvestingKeeper,
		&app.RestrictionsKeeper,
		&app.GenesistransferKeeper,
		// this line is used by starport scaffolding # stargate/app/keeperDefinition
	); err != nil {
		//nolint:forbidigo
		//init code:
		panic(err)
	}

	app.CollateralKeeper.SetRequiredCollateralProvider(app.InferenceKeeper)
	app.CollateralKeeper.SetMaintenanceChecker(&app.InferenceKeeper)

	// Wire maintenance-aware liveness exemption into slashing keeper.
	// The adapter bridges inference keeper's AccAddress-based maintenance state
	// to the slashing keeper's ConsAddress-based liveness checks.
	maintenanceAdapter := NewMaintenanceSlashingAdapter(&app.InferenceKeeper)
	app.SlashingKeeper.SetMaintenanceChecker(maintenanceAdapter)

	app.App = appBuilder.Build(db, traceStore, baseAppOptions...)

	// SendRestriction configuration is handled automatically through dependency injection
	// The restrictions module provides its SendRestrictionFn with the "bank-send-restrictions" group tag
	// The bank module automatically collects and applies all registered send restrictions

	// register legacy modules
	nodeConfig := app.registerLegacyModules(appOpts, wasmOpts)
	app.InferenceKeeper.SetWasmKeeperGetter(app.GetWasmKeeper)

	// register streaming services
	if err := app.RegisterStreamingServices(appOpts, app.kvStoreKeys()); err != nil {
		return nil, err
	}

	/****  Module Options ****/
	// must be before Loading version
	// requires the snapshot store to be created and registered as a BaseAppOption
	// see cmd/wasmd/root.go: 206 - 214 approx
	if manager := app.SnapshotManager(); manager != nil {
		err := manager.RegisterExtensions(
			wasmkeeper.NewWasmSnapshotter(app.CommitMultiStore(), &app.WasmKeeper),
		)
		if err != nil {
			return nil, fmt.Errorf("failed to register snapshot extension: %w", err)
		}
	}

	app.ModuleManager.RegisterInvariants(app.CrisisKeeper)

	// create the simulation manager and define the order of the modules for deterministic simulations
	//
	// NOTE: this is not required apps that don't use the simulator for fuzz testing transactions
	overrideModules := map[string]module.AppModuleSimulation{
		authtypes.ModuleName: auth.NewAppModule(app.appCodec, app.AccountKeeper, authsims.RandomGenesisAccounts, app.GetSubspace(authtypes.ModuleName)),
	}
	app.sm = module.NewSimulationManagerFromAppModules(app.ModuleManager.Modules, overrideModules)
	app.sm.RegisterStoreDecoders()

	app.setAnteHandler(app.txConfig, nodeConfig, app.GetKey(wasmtypes.StoreKey))

	app.registerMigrations()

	// Setup upgrade handlers if needed
	app.setupUpgradeHandlers()

	if err := app.Load(loadLatest); err != nil {
		return nil, err
	}

	if loadLatest {
		ctx := app.BaseApp.NewUncachedContext(true, types.Header{})
		// Initialize denom metadata in the SDK's global registry on every startup
		if err := app.initializeDenomMetadata(ctx); err != nil {
			ctx.Logger().Warn("Failed to register denom metadata", "error", err)
		} else {
			ctx.Logger().Info("Successfully registered denom metadata")
		}

		if err := app.WasmKeeper.InitializePinnedCodes(ctx); err != nil {
			return nil, fmt.Errorf("failed to initialize pinned codes: %w", err)
		}
		ctx.Logger().Info("WASM keeper check: pinned codes enumerated successfully. Keeper is functional.")

		if isTestnet, _ := appOpts.Get(server.KeyIsTestnet).(bool); isTestnet {
			if err := InitInferenceAppForTestnet(app, appOpts); err != nil {
				return nil, fmt.Errorf("init for testnet: %w", err)
			}
		}
	}

	return app, nil
}

// LegacyAmino returns App's amino codec.
//
// NOTE: This is solely to be used for testing purposes as it may be desirable
// for modules to register their own custom testing types.
func (app *App) LegacyAmino() *codec.LegacyAmino {
	return app.legacyAmino
}

// AppCodec returns App's app codec.
//
// NOTE: This is solely to be used for testing purposes as it may be desirable
// for modules to register their own custom testing types.
func (app *App) AppCodec() codec.Codec {
	return app.appCodec
}

// TxConfig returns App's TxConfig.
//
// NOTE: This is solely to be used for testing purposes.
func (app *App) TxConfig() client.TxConfig {
	return app.txConfig
}

// GetKey returns the KVStoreKey for the provided store key.
func (app *App) GetKey(storeKey string) *storetypes.KVStoreKey {
	kvStoreKey, ok := app.UnsafeFindStoreKey(storeKey).(*storetypes.KVStoreKey)
	if !ok {
		return nil
	}
	return kvStoreKey
}

// GetMemKey returns the MemoryStoreKey for the provided store key.
func (app *App) GetMemKey(storeKey string) *storetypes.MemoryStoreKey {
	key, ok := app.UnsafeFindStoreKey(storeKey).(*storetypes.MemoryStoreKey)
	if !ok {
		return nil
	}

	return key
}

// kvStoreKeys returns all the kv store keys registered inside App.
func (app *App) kvStoreKeys() map[string]*storetypes.KVStoreKey {
	keys := make(map[string]*storetypes.KVStoreKey)
	for _, k := range app.GetStoreKeys() {
		if kv, ok := k.(*storetypes.KVStoreKey); ok {
			keys[kv.Name()] = kv
		}
	}

	return keys
}

// GetSubspace returns a param subspace for a given module name.
func (app *App) GetSubspace(moduleName string) paramstypes.Subspace {
	subspace, _ := app.ParamsKeeper.GetSubspace(moduleName)
	return subspace
}

// GetIBCKeeper returns the IBC keeper.
func (app *App) GetIBCKeeper() *ibckeeper.Keeper {
	return app.IBCKeeper
}

// GetWasmKeeper returns the Wasm keeper.
func (app *App) GetWasmKeeper() wasmkeeper.Keeper {
	return app.WasmKeeper
}

// GetCapabilityScopedKeeper returns the capability scoped keeper.
func (app *App) GetCapabilityScopedKeeper(moduleName string) capabilitykeeper.ScopedKeeper {
	return app.CapabilityKeeper.ScopeToModule(moduleName)
}

// SimulationManager implements the SimulationApp interface.
func (app *App) SimulationManager() *module.SimulationManager {
	return app.sm
}

// RegisterAPIRoutes registers all application module routes with the provided
// API server.
func (app *App) RegisterAPIRoutes(apiSvr *api.Server, apiConfig config.APIConfig) {
	app.App.RegisterAPIRoutes(apiSvr, apiConfig)
	// register swagger API in app.go so that other applications can override easily
	if err := server.RegisterSwaggerAPI(apiSvr.ClientCtx, apiSvr.Router, apiConfig.Swagger); err != nil {
		//nolint:forbidigo
		//init code:
		panic(err)

	}

	// register app's OpenAPI routes.
	docs.RegisterOpenAPIService(Name, apiSvr.Router)
}

// GetMaccPerms returns a copy of the module account permissions
//
// NOTE: This is solely to be used for testing purposes.
func GetMaccPerms() map[string][]string {
	dup := make(map[string][]string)
	for _, perms := range moduleAccPerms {
		dup[perms.Account] = perms.Permissions
	}
	return dup
}

// BlockedAddresses returns all the app's blocked account addresses.
func BlockedAddresses() map[string]bool {
	result := make(map[string]bool)
	if len(blockAccAddrs) > 0 {
		for _, addr := range blockAccAddrs {
			result[addr] = true
		}
	} else {
		for addr := range GetMaccPerms() {
			result[addr] = true
		}
	}
	return result
}

func (app *App) initializeDenomMetadata(ctx sdk.Context) error {
	denomMetadata, found := app.BankKeeper.GetDenomMetaData(ctx, inferencetypes.BaseCoin)
	if !found {
		ctx.Logger().Info("BaseCoin denom metadata not found during app initialization, this may be normal during genesis")
		return nil
	}

	for _, denomUnit := range denomMetadata.DenomUnits {
		if _, isRegistered := sdk.GetDenomUnit(denomUnit.Denom); isRegistered {
			ctx.Logger().Info("Denom metadata already registered, skipping duplicate registration",
				"base", denomMetadata.Base, "registered_unit", denomUnit.Denom)
			return nil
		}
	}

	if err := inferencegenesis.LoadMetadataToSdk(denomMetadata); err != nil {
		return fmt.Errorf("failed to load denom metadata to SDK: %w", err)
	}

	ctx.Logger().Info("Successfully initialized denom metadata", "base", denomMetadata.Base, "units", len(denomMetadata.DenomUnits))
	return nil
}