package helpers

import (
	"encoding/binary"
	"ripple/commands"
	"ripple/types"
)

func BuildFindPath(paymentID [32]byte, amount uint64, inOrOut byte, penaltyRate uint32, fee uint64, hops byte) types.Instruction {
	buf := make([]byte, 54)
	copy(buf[:32], paymentID[:])
	binary.BigEndian.PutUint64(buf[32:40], amount)
	buf[40] = inOrOut
	binary.BigEndian.PutUint32(buf[41:45], penaltyRate)
	binary.BigEndian.PutUint64(buf[45:53], fee)
	buf[53] = hops
	return types.Instruction{
		Command:   commands.ACCOUNT_FIND_PATH,
		Arguments: buf,
	}
}

func BuildPathRecurse(paymentID [32]byte, depth byte) types.Instruction {
	buf := make([]byte, 33)
	copy(buf[:32], paymentID[:])
	buf[32] = depth
	return types.Instruction{
		Command:   commands.ACCOUNT_PATH_RECURSE,
		Arguments: buf,
	}
}

func BuildPathFound(paymentID [32]byte, hops byte) types.Instruction {
	buf := make([]byte, 33)
	copy(buf[:32], paymentID[:])
	buf[32] = hops
	return types.Instruction{
		Command:   commands.ACCOUNT_PATH_FOUND,
		Arguments: buf,
	}
}

func BuildPreparePath(paymentID [32]byte) types.Instruction {
	return types.Instruction{
		Command:   commands.ACCOUNT_PREPARE_PATH,
		Arguments: paymentID[:],
	}
}

func BuildCommitPayment(paymentID [32]byte) types.Instruction {
	return types.Instruction{
		Command:   commands.ACCOUNT_COMMIT_PAYMENT,
		Arguments: paymentID[:],
	}
}

func BuildSealPayment(paymentID [32]byte) types.Instruction {
	return types.Instruction{
		Command:   commands.ACCOUNT_SEAL_PAYMENT,
		Arguments: paymentID[:],
	}
}

func BuildFinalizePayment(paymentID [32]byte, preimage [32]byte) types.Instruction {
	buf := make([]byte, 64)
	copy(buf[:32], paymentID[:])
	copy(buf[32:64], preimage[:])
	return types.Instruction{
		Command:   commands.ACCOUNT_FINALIZE_PAYMENT,
		Arguments: buf,
	}
}

func BuildCancelPayment(paymentID [32]byte, preimage [32]byte) types.Instruction {
	buf := make([]byte, 64)
	copy(buf[:32], paymentID[:])
	copy(buf[32:64], preimage[:])
	return types.Instruction{
		Command:   commands.ACCOUNT_CANCEL_PAYMENT,
		Arguments: buf,
	}
}

func BuildCleanupPayment(paymentID [32]byte) types.Instruction {
	return types.Instruction{
		Command:   commands.ACCOUNT_CLEANUP_PAYMENT,
		Arguments: paymentID[:],
	}
}

func BuildAckPreimage(paymentID [32]byte) types.Instruction {
    return types.Instruction{
        Command:   commands.ACCOUNT_ACK_PREIMAGE,
        Arguments: paymentID[:],
    }
}

func BuildSyncPayment(paymentID [32]byte, amount uint64) types.Instruction {
	buf := make([]byte, 40)
	copy(buf[:32], paymentID[:])
	binary.BigEndian.PutUint64(buf[32:40], amount)
	return types.Instruction{
		Command:   commands.ACCOUNT_SYNC_PAYMENT,
		Arguments: buf,
	}
}

func BuildAckSync(paymentID [32]byte) types.Instruction {
    return types.Instruction{
        Command:   commands.ACCOUNT_ACK_SYNC,
        Arguments: paymentID[:],
    }
}

func BuildVerifyCommit(paymentID [32]byte) types.Instruction {
	return types.Instruction{
		Command:   commands.ACCOUNT_VERIFY_COMMIT,
		Arguments: paymentID[:],
	}
}

func BuildAckCommit(paymentID [32]byte, status byte) types.Instruction {
	buf := make([]byte, 33)
	copy(buf[:32], paymentID[:])
	buf[32] = status
	return types.Instruction{
		Command:   commands.ACCOUNT_ACK_COMMIT,
		Arguments: buf,
	}
}