// Package keeper implements DWN integration for the DEX module
package keeper

import (
	"encoding/json"
	"fmt"
	"time"

	sdk "github.com/cosmos/cosmos-sdk/types"

	"github.com/sonr-io/sonr/x/dex/types"
)

// StoreDEXAccountInDWN stores DEX account information in DWN
func (k Keeper) StoreDEXAccountInDWN(
	ctx sdk.Context,
	account *types.InterchainDEXAccount,
) error {
	// Create DWN record
	record := types.DWNRecord{
		ID:        fmt.Sprintf("dex_account_%s_%s", account.Did, account.ConnectionId),
		DID:       account.Did,
		Type:      "dex_account",
		Data:      account,
		Timestamp: ctx.BlockTime(),
		Metadata: map[string]string{
			"connection_id": account.ConnectionId,
			"port_id":       account.PortId,
			"status":        account.Status.String(),
		},
	}

	// Store in DWN (placeholder - actual implementation would use DWN keeper)
	if err := k.storeDWNRecord(ctx, record); err != nil {
		return fmt.Errorf("failed to store DEX account in DWN: %w", err)
	}

	return nil
}

// StoreSwapRecordInDWN stores swap transaction in DWN
func (k Keeper) StoreSwapRecordInDWN(
	ctx sdk.Context,
	did string,
	connectionID string,
	swapData map[string]any,
) error {
	// Create DWN record for swap
	record := types.DWNRecord{
		ID:        fmt.Sprintf("swap_%s_%d", did, ctx.BlockTime().Unix()),
		DID:       did,
		Type:      "dex_swap",
		Data:      swapData,
		Timestamp: ctx.BlockTime(),
		Metadata: map[string]string{
			"connection_id": connectionID,
			"operation":     "swap",
		},
	}

	// Store in DWN
	if err := k.storeDWNRecord(ctx, record); err != nil {
		return fmt.Errorf("failed to store swap record in DWN: %w", err)
	}

	return nil
}

// StoreLiquidityRecordInDWN stores liquidity operation in DWN
func (k Keeper) StoreLiquidityRecordInDWN(
	ctx sdk.Context,
	did string,
	connectionID string,
	operationType string, // "provide" or "remove"
	liquidityData map[string]any,
) error {
	// Create DWN record for liquidity operation
	record := types.DWNRecord{
		ID:        fmt.Sprintf("liquidity_%s_%s_%d", operationType, did, ctx.BlockTime().Unix()),
		DID:       did,
		Type:      fmt.Sprintf("dex_liquidity_%s", operationType),
		Data:      liquidityData,
		Timestamp: ctx.BlockTime(),
		Metadata: map[string]string{
			"connection_id": connectionID,
			"operation":     fmt.Sprintf("liquidity_%s", operationType),
		},
	}

	// Store in DWN
	if err := k.storeDWNRecord(ctx, record); err != nil {
		return fmt.Errorf("failed to store liquidity record in DWN: %w", err)
	}

	return nil
}

// StoreOrderRecordInDWN stores order information in DWN
func (k Keeper) StoreOrderRecordInDWN(
	ctx sdk.Context,
	did string,
	connectionID string,
	orderID string,
	orderData map[string]any,
) error {
	// Create DWN record for order
	record := types.DWNRecord{
		ID:        fmt.Sprintf("order_%s", orderID),
		DID:       did,
		Type:      "dex_order",
		Data:      orderData,
		Timestamp: ctx.BlockTime(),
		Metadata: map[string]string{
			"connection_id": connectionID,
			"order_id":      orderID,
			"operation":     "order",
		},
	}

	// Store in DWN
	if err := k.storeDWNRecord(ctx, record); err != nil {
		return fmt.Errorf("failed to store order record in DWN: %w", err)
	}

	return nil
}

// RetrieveDEXHistoryFromDWN retrieves DEX operation history from DWN
func (k Keeper) RetrieveDEXHistoryFromDWN(
	ctx sdk.Context,
	did string,
	recordType string,
	limit int,
) ([]types.DWNRecord, error) {
	// Query DWN for records (placeholder implementation)
	records, err := k.queryDWNRecords(ctx, did, recordType, limit)
	if err != nil {
		return nil, fmt.Errorf("failed to retrieve DEX history from DWN: %w", err)
	}

	return records, nil
}

// StorePortfolioSnapshotInDWN stores portfolio snapshot in DWN
func (k Keeper) StorePortfolioSnapshotInDWN(
	ctx sdk.Context,
	did string,
	portfolio any,
) error {
	// Create DWN record for portfolio snapshot
	record := types.DWNRecord{
		ID:        fmt.Sprintf("portfolio_%s_%d", did, ctx.BlockTime().Unix()),
		DID:       did,
		Type:      "dex_portfolio_snapshot",
		Data:      portfolio,
		Timestamp: ctx.BlockTime(),
		Metadata: map[string]string{
			"snapshot_time": ctx.BlockTime().Format(time.RFC3339),
		},
	}

	// Store in DWN
	if err := k.storeDWNRecord(ctx, record); err != nil {
		return fmt.Errorf("failed to store portfolio snapshot in DWN: %w", err)
	}

	return nil
}

// storeDWNRecord stores a record in DWN (placeholder implementation)
func (k Keeper) storeDWNRecord(ctx sdk.Context, record types.DWNRecord) error {
	// This is a placeholder implementation
	// Actual implementation would use the DWN keeper interface

	// Serialize record
	data, err := json.Marshal(record)
	if err != nil {
		return fmt.Errorf("failed to serialize DWN record: %w", err)
	}

	// Log the operation (placeholder for actual DWN storage)
	k.Logger(ctx).Info("Storing record in DWN",
		"record_id", record.ID,
		"did", record.DID,
		"type", record.Type,
		"size", len(data),
	)

	// TODO: Implement actual DWN storage when DWN keeper is available
	// k.dwnKeeper.StoreRecord(ctx, record.DID, record.ID, data)

	return nil
}

// queryDWNRecords queries records from DWN (placeholder implementation)
func (k Keeper) queryDWNRecords(
	ctx sdk.Context,
	did string,
	recordType string,
	limit int,
) ([]types.DWNRecord, error) {
	// This is a placeholder implementation
	// Actual implementation would use the DWN keeper interface

	// Log the query
	k.Logger(ctx).Info("Querying DWN records",
		"did", did,
		"type", recordType,
		"limit", limit,
	)

	// TODO: Implement actual DWN query when DWN keeper is available
	// records := k.dwnKeeper.QueryRecords(ctx, did, recordType, limit)

	// Return empty list for now
	return []types.DWNRecord{}, nil
}

// DeleteDWNRecord deletes a record from DWN
func (k Keeper) DeleteDWNRecord(
	ctx sdk.Context,
	did string,
	recordID string,
) error {
	// Log the deletion
	k.Logger(ctx).Info("Deleting DWN record",
		"did", did,
		"record_id", recordID,
	)

	// TODO: Implement actual DWN deletion when DWN keeper is available
	// return k.dwnKeeper.DeleteRecord(ctx, did, recordID)

	return nil
}