package cli

import (
	"context"
	"strings"

	"github.com/spf13/cobra"

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

	"github.com/classic-terra/core/v3/x/market/types"
)

// GetQueryCmd returns the cli query commands for this module
func GetQueryCmd() *cobra.Command {
	marketQueryCmd := &cobra.Command{
		Use:                        "market",
		Short:                      "Querying commands for the market module",
		DisableFlagParsing:         true,
		SuggestionsMinimumDistance: 2,
		RunE:                       client.ValidateCmd,
	}

	marketQueryCmd.AddCommand(
		GetCmdQuerySwap(),
		GetCmdQueryTerraPoolDelta(),
		GetCmdQueryParams(),
	)

	return marketQueryCmd
}

// GetCmdQuerySwap implements the query swap simulation result command.
func GetCmdQuerySwap() *cobra.Command {
	cmd := &cobra.Command{
		Use:   "swap [offer-coin] [ask-denom]",
		Args:  cobra.ExactArgs(2),
		Short: "Query a quote for a swap operation",
		Long: strings.TrimSpace(`
Query a quote for how many coins can be received in a swap operation. Note; rates are dynamic and can quickly change.

$ terrad query swap 5000000uluna usdr
`),
		RunE: func(cmd *cobra.Command, args []string) error {
			clientCtx, err := client.GetClientQueryContext(cmd)
			if err != nil {
				return err
			}
			queryClient := types.NewQueryClient(clientCtx)

			// parse offerCoin
			offerCoinStr := args[0]
			_, err = sdk.ParseCoinNormalized(offerCoinStr)
			if err != nil {
				return err
			}

			askDenom := args[1]

			res, err := queryClient.Swap(context.Background(),
				&types.QuerySwapRequest{OfferCoin: offerCoinStr, AskDenom: askDenom},
			)
			if err != nil {
				return err
			}

			return clientCtx.PrintProto(res)
		},
	}

	flags.AddQueryFlagsToCmd(cmd)
	return cmd
}

// GetCmdQueryTerraPoolDelta implements the query mint pool delta command.
func GetCmdQueryTerraPoolDelta() *cobra.Command {
	cmd := &cobra.Command{
		Use:   "terra-pool-delta",
		Args:  cobra.NoArgs,
		Short: "Query terra pool delta",
		Long: `Query terra pool delta, which is usdr amount used for swap operation from the TerraPool.
It can be negative if the market wants more Terra than Luna, and vice versa if the market wants more Luna.

$ terrad query market terra-pool-delta
	`,
		RunE: func(cmd *cobra.Command, args []string) error {
			clientCtx, err := client.GetClientQueryContext(cmd)
			if err != nil {
				return err
			}
			queryClient := types.NewQueryClient(clientCtx)

			res, err := queryClient.TerraPoolDelta(context.Background(),
				&types.QueryTerraPoolDeltaRequest{},
			)
			if err != nil {
				return err
			}

			return clientCtx.PrintProto(res)
		},
	}

	flags.AddQueryFlagsToCmd(cmd)
	return cmd
}

// GetCmdQueryParams implements the query params command.
func GetCmdQueryParams() *cobra.Command {
	cmd := &cobra.Command{
		Use:   "params",
		Args:  cobra.NoArgs,
		Short: "Query the current market params",
		RunE: func(cmd *cobra.Command, args []string) error {
			clientCtx, err := client.GetClientQueryContext(cmd)
			if err != nil {
				return err
			}
			queryClient := types.NewQueryClient(clientCtx)

			res, err := queryClient.Params(context.Background(), &types.QueryParamsRequest{})
			if err != nil {
				return err
			}

			return clientCtx.PrintProto(res)
		},
	}

	flags.AddQueryFlagsToCmd(cmd)
	return cmd
}
