import { Address } from '@mcintyre94/addresses';

/**
 * Quick primer on bitwise operations: https://stackoverflow.com/a/1436448/802047
 */
declare enum AccountRole {
    WRITABLE_SIGNER = 3,
    READONLY_SIGNER = 2,
    WRITABLE = 1,
    READONLY = 0
}
declare function downgradeRoleToNonSigner(role: AccountRole.READONLY_SIGNER): AccountRole.READONLY;
declare function downgradeRoleToNonSigner(role: AccountRole.WRITABLE_SIGNER): AccountRole.WRITABLE;
declare function downgradeRoleToNonSigner(role: AccountRole): AccountRole;
declare function downgradeRoleToReadonly(role: AccountRole.WRITABLE): AccountRole.READONLY;
declare function downgradeRoleToReadonly(role: AccountRole.WRITABLE_SIGNER): AccountRole.READONLY_SIGNER;
declare function downgradeRoleToReadonly(role: AccountRole): AccountRole;
declare function isSignerRole(role: AccountRole): role is AccountRole.READONLY_SIGNER | AccountRole.WRITABLE_SIGNER;
declare function isWritableRole(role: AccountRole): role is AccountRole.WRITABLE | AccountRole.WRITABLE_SIGNER;
declare function mergeRoles(roleA: AccountRole.WRITABLE, roleB: AccountRole.READONLY_SIGNER): AccountRole.WRITABLE_SIGNER;
declare function mergeRoles(roleA: AccountRole.READONLY_SIGNER, roleB: AccountRole.WRITABLE): AccountRole.WRITABLE_SIGNER;
declare function mergeRoles(roleA: AccountRole, roleB: AccountRole.WRITABLE_SIGNER): AccountRole.WRITABLE_SIGNER;
declare function mergeRoles(roleA: AccountRole.WRITABLE_SIGNER, roleB: AccountRole): AccountRole.WRITABLE_SIGNER;
declare function mergeRoles(roleA: AccountRole, roleB: AccountRole.READONLY_SIGNER): AccountRole.READONLY_SIGNER;
declare function mergeRoles(roleA: AccountRole.READONLY_SIGNER, roleB: AccountRole): AccountRole.READONLY_SIGNER;
declare function mergeRoles(roleA: AccountRole, roleB: AccountRole.WRITABLE): AccountRole.WRITABLE;
declare function mergeRoles(roleA: AccountRole.WRITABLE, roleB: AccountRole): AccountRole.WRITABLE;
declare function mergeRoles(roleA: AccountRole.READONLY, roleB: AccountRole.READONLY): AccountRole.READONLY;
declare function mergeRoles(roleA: AccountRole, roleB: AccountRole): AccountRole;
declare function upgradeRoleToSigner(role: AccountRole.READONLY): AccountRole.READONLY_SIGNER;
declare function upgradeRoleToSigner(role: AccountRole.WRITABLE): AccountRole.WRITABLE_SIGNER;
declare function upgradeRoleToSigner(role: AccountRole): AccountRole;
declare function upgradeRoleToWritable(role: AccountRole.READONLY): AccountRole.WRITABLE;
declare function upgradeRoleToWritable(role: AccountRole.READONLY_SIGNER): AccountRole.WRITABLE_SIGNER;
declare function upgradeRoleToWritable(role: AccountRole): AccountRole;

interface IAccountMeta<TAddress extends string = string> {
    readonly address: Address<TAddress>;
    readonly role: AccountRole;
}
type ReadonlyAccount<TAddress extends string = string> = IAccountMeta<TAddress> & {
    readonly role: AccountRole.READONLY;
};
type WritableAccount<TAddress extends string = string> = IAccountMeta<TAddress> & {
    role: AccountRole.WRITABLE;
};
type ReadonlySignerAccount<TAddress extends string = string> = IAccountMeta<TAddress> & {
    role: AccountRole.READONLY_SIGNER;
};
type WritableSignerAccount<TAddress extends string = string> = IAccountMeta<TAddress> & {
    role: AccountRole.WRITABLE_SIGNER;
};
interface IAccountLookupMeta<TAddress extends string = string, TLookupTableAddress extends string = string> {
    readonly address: Address<TAddress>;
    readonly addressIndex: number;
    readonly lookupTableAddress: Address<TLookupTableAddress>;
    readonly role: AccountRole.READONLY | AccountRole.WRITABLE;
}
type ReadonlyAccountLookup<TAddress extends string = string, TLookupTableAddress extends string = string> = IAccountLookupMeta<TAddress, TLookupTableAddress> & {
    readonly role: AccountRole.READONLY;
};
type WritableAccountLookup<TAddress extends string = string, TLookupTableAddress extends string = string> = IAccountLookupMeta<TAddress, TLookupTableAddress> & {
    readonly role: AccountRole.WRITABLE;
};

interface IInstruction<TProgramAddress extends string = string, TAccounts extends readonly (IAccountMeta | IAccountLookupMeta)[] = readonly (IAccountMeta | IAccountLookupMeta)[]> {
    readonly accounts?: TAccounts;
    readonly data?: Uint8Array;
    readonly programAddress: Address<TProgramAddress>;
}
interface IInstructionWithAccounts<TAccounts extends readonly (IAccountMeta | IAccountLookupMeta)[]> extends IInstruction {
    readonly accounts: TAccounts;
}
interface IInstructionWithData<TData extends Uint8Array> extends IInstruction {
    readonly data: TData;
}

export { AccountRole, type IAccountLookupMeta, type IAccountMeta, type IInstruction, type IInstructionWithAccounts, type IInstructionWithData, type ReadonlyAccount, type ReadonlyAccountLookup, type ReadonlySignerAccount, type WritableAccount, type WritableAccountLookup, type WritableSignerAccount, downgradeRoleToNonSigner, downgradeRoleToReadonly, isSignerRole, isWritableRole, mergeRoles, upgradeRoleToSigner, upgradeRoleToWritable };