use anchor_lang::prelude::*;
use hpl_utils::Default;

/// Account representing delegated authority for a project.
/// This account stores permissions granted to accounts to perform certain actions on behalf of the project authority.
/// PDA: [ 'delegate_authority', project, authority, delegate ]
/// Category: delegate_state
#[account]
#[derive(PartialEq, Eq, Debug)]
pub struct DelegateAuthority {
    /// Bump value used for PDA.
    pub bump: u8,

    /// Public key of the project associated with this delegated authority.
    pub project: Pubkey,

    /// Public key of the authority getting these permissions.
    pub authority: Pubkey,

    /// List of service delegations, each specifying the program and its permissions.
    pub delegations: Vec<ServiceDelegation>,
}

/// Default implementation for the `DelegateAuthority` struct.
/// It sets default values for each field when creating a new `DelegateAuthority` instance.
impl Default for DelegateAuthority {
    const LEN: usize = 96 + 8; // base size + 8 align

    /// Sets default values for each field of the `DelegateAuthority` struct.
    fn set_defaults(&mut self) {
        self.bump = 0;
        self.project = Pubkey::default();
        self.authority = Pubkey::default();
        self.delegations = vec![];
    }
}

/// Enum representing different types of service delegations and their permissions.
#[derive(AnchorSerialize, AnchorDeserialize, Clone, Debug, Eq, PartialEq)]
pub enum ServiceDelegation {
    /// Hive Control delegation with a specific set of permissions.
    HiveControl {
        /// The permissions granted to the Hive Control.
        permission: HiveControlPermission,
    },

    /// Asset Assembler program delegation with a specific set of permissions and an associated index.
    AssetAssembler {
        /// Index of the service in the service vector in the project struct.
        index: u8,

        /// The permissions granted to the asset Assembler programs.
        permission: AssetAssemblerPermission,
    },

    /// Asset Manager program delegation with a specific set of permissions and an associated index.
    AssetManager {
        /// Index of the service in the service vector in the project struct.
        index: u8,

        /// The permissions granted to the asset Manager programs.
        permission: AssetManagerPermission,
    },

    /// Currency Manager program delegation with a specific set of permissions and an associated index.
    CurrencyManager {
        /// The permissions granted to the Currency Manager programs.
        permission: CurrencyManagerPermission,
    },

    /// Nectar Staking program delegation with a specific set of permissions and an associated index.
    NectarStaking {
        /// Index of the service in the service vector in the project struct.
        index: u8,

        /// The permissions granted to the Nectar staking programs.
        permission: NectarStakingPermission,
    },

    /// Nectar Missions program delegation with a specific set of permissions and an associated index.
    NectarMissions {
        /// Index of the service in the service vector in the project struct.
        index: u8,

        /// The permissions granted to the Nectar Missions programs.
        permission: NectarMissionsPermission,
    },

    /// Buzz Guild program delegation with a specific set of permissions and an associated index.
    BuzzGuild {
        /// Index of the service in the service vector in the project struct.
        index: u8,

        /// The permissions granted to the Buzz Guild programs.
        permission: BuzzGuildPermission,
    },
}

impl ServiceDelegation {
    /// Returns the byte length of the service delegation.
    pub const LEN: usize = 3;

    /// Returns the index of the service in the service vector in the project struct.
    pub fn get_index(&self) -> u8 {
        match self {
            ServiceDelegation::AssetAssembler { index, .. } => *index,
            ServiceDelegation::AssetManager { index, .. } => *index,
            ServiceDelegation::CurrencyManager { .. } => 0,
            ServiceDelegation::NectarStaking { index, .. } => *index,
            ServiceDelegation::NectarMissions { index, .. } => *index,
            ServiceDelegation::BuzzGuild { index, .. } => *index,
            _ => 0,
        }
    }
}

/// Enum representing different types of permissions for the master program delegation.
#[derive(AnchorSerialize, AnchorDeserialize, Clone, Debug, Eq, PartialEq)]
pub enum HiveControlPermission {
    /// Permission to manage criterias i.e, collections and creators.
    ManageCriterias,

    /// Permission to manage services.
    ManageServices,

    /// Permission to manage indexing.
    ManageIndexing,

    /// Permission to manage profiles.
    ManageProfiles,
}

/// Enum representing different types of permissions for the asset assembler program delegation.
#[derive(AnchorSerialize, AnchorDeserialize, Clone, Debug, Eq, PartialEq)]
pub enum AssetAssemblerPermission {
    /// Permission to manage assembler.
    ManageAssembler,

    /// Permission to update block.
    UpdateBlock,

    /// Permission to update block definition.
    UpdateBlockDefinition,

    /// Permission to update NFT.
    UpdateNFT,

    /// Permission for initial art generation.
    InitialArtGeneration,
}

/// Enum representing different types of permissions for the asset manager delegation.
#[derive(AnchorSerialize, AnchorDeserialize, Clone, Debug, Eq, PartialEq)]
pub enum AssetManagerPermission {
    /// Permission to manage assets.
    ManageAssets,
}

/// Enum representing different types of permissions for the currency manager delegation.
#[derive(AnchorSerialize, AnchorDeserialize, Clone, Debug, Eq, PartialEq)]
pub enum CurrencyManagerPermission {
    /// Permission to manage currencies.
    ManageCurrencies,

    /// Permission to mint currencies.
    MintCurrencies,

    /// Permission to manage currency status.
    ManageCurrencyStatus,
}

/// Enum representing different types of permissions for the Nectar staking delegation.
#[derive(AnchorSerialize, AnchorDeserialize, Clone, Debug, Eq, PartialEq)]
pub enum NectarStakingPermission {
    /// Permission to manage the staking pool.
    ManageStakingPool,

    /// Permission to withdraw staking pool rewards.
    WithdrawStakingPoolRewards,
}

/// Enum representing different types of permissions for the Nectar missions delegation.
#[derive(AnchorSerialize, AnchorDeserialize, Clone, Debug, Eq, PartialEq)]
pub enum NectarMissionsPermission {
    /// Permission to manage the mission pool.
    ManageMissionPool,

    /// Permission to withdraw mission pool rewards.
    WithdrawMissionPoolRewards,
}

/// Enum representing different types of permissions for the Buzz guild delegation.
#[derive(AnchorSerialize, AnchorDeserialize, Clone, Debug, Eq, PartialEq)]
pub enum BuzzGuildPermission {
    /// Permission to manage the guild kits.
    ManageGuildKit,
}