use casper_types::bytesrepr::Bytes;
use casper_types::TransactionRuntime;
use casper_types::{AddressableEntityHash, PackageHash, PublicKey, TransferTarget, URef, U512};

/// An enum representing the parameters needed to construct a transaction builder
/// for the commands concerning the creation of a transaction

#[derive(Debug)]
pub enum TransactionBuilderParams<'a> {
    /// Parameters for the add bid variant of the transaction builder
    AddBid {
        /// The public key for the add bid transaction
        public_key: PublicKey,
        /// The delegation rate for the add bid transaction
        delegation_rate: u8,
        /// The amount to be bid in the add bid transaction
        amount: U512,
        /// The minimum amount to be delegated
        minimum_delegation_amount: u64,
        /// The maximum amount to be delegated
        maximum_delegation_amount: u64,
    },
    /// Parameters for the delegate variant of the transaction builder
    Delegate {
        /// The delegator for the delegate transaction
        delegator: PublicKey,
        /// The validator on which to delegate via the transaction
        validator: PublicKey,
        /// The amount to be delegtaed in the transaction
        amount: U512,
    },
    /// Parameters for the undelegate variant of the transaction builder
    Undelegate {
        /// The delegator for the undelegate transaction
        delegator: PublicKey,
        /// The delegator for the delegate transaction
        validator: PublicKey,
        /// The delegator for the delegate transaction
        amount: U512,
    },
    /// Parameters for the redelegate variant of the transaction builder
    Redelegate {
        /// The delegator for the redelegate transaction
        delegator: PublicKey,
        /// The validator for the redelegate transaction
        validator: PublicKey,
        /// The amount to be redelegated for the redelegate transaction
        amount: U512,
        /// The new validator for the redelegate transaction
        new_validator: PublicKey,
    },
    /// Parameters for the invocable entity variant of the transaction builder
    InvocableEntity {
        /// The entity hash for the invocable entity transaction
        entity_hash: AddressableEntityHash,
        /// The entry point for the invocable entity transaction
        entry_point: &'a str,
        /// Transaction Runtime.
        runtime: TransactionRuntime,
        /// The amount to be transferred in the invocable entity transaction.
        transferred_value: u64,
    },
    /// Parameters for the invocable entity alias variant of the transaction builder
    InvocableEntityAlias {
        /// The entity alias for the invocable entity alias transaction
        entity_alias: &'a str,
        /// The entry_point for the invocable entity alias transaction
        entry_point: &'a str,
        /// Transaction Runtime.
        runtime: TransactionRuntime,
        /// Transferred value.
        transferred_value: u64,
    },
    /// Parameters for the package variant of the transaction builder
    Package {
        /// The package hash for the package transaction
        package_hash: PackageHash,
        /// The optional entity version for the package transaction
        maybe_entity_version: Option<u32>,
        /// The entry_point for the package transaction
        entry_point: &'a str,
        /// Transaction Runtime.
        runtime: TransactionRuntime,
        /// Transferred value.
        transferred_value: u64,
    },
    /// Parameters for the package alias variant of the transaction builder
    PackageAlias {
        /// The package alias for the package alias transaction
        package_alias: &'a str,
        /// The optional entity version for the package alias transaction
        maybe_entity_version: Option<u32>,
        /// The entry point for the package alias transaction
        entry_point: &'a str,
        /// Transaction Runtime.
        runtime: TransactionRuntime,
        /// Transferred value.
        transferred_value: u64,
    },
    /// Parameters for the session variant of the transaction builder
    Session {
        /// Flag determining if the Wasm is an install/upgrade.
        is_install_upgrade: bool,
        /// The Bytes to be run by the execution engine for the session transaction
        transaction_bytes: Bytes,
        /// Transaction Runtime.
        runtime: TransactionRuntime,
        /// Transferred value.
        transferred_value: u64,
        /// The optional seed for the session transaction
        seed: Option<[u8; 32]>,
    },
    /// Parameters for the transfer variant of the transaction builder
    Transfer {
        /// Source of the transfer transaction
        maybe_source: Option<URef>,
        /// Target of the transfer transaction
        target: TransferTarget,
        /// The amount of motes for the undelegate transaction
        amount: U512,
        /// The optional id for the transfer transaction
        maybe_id: Option<u64>,
    },
    /// Parameters for the withdraw bid variant of the transaction builder
    WithdrawBid {
        /// The public key for the withdraw bid transaction
        public_key: PublicKey,
        /// The amount to be withdrawn in the withdraw bid transaction
        amount: U512,
    },
}