// SPDX-License-Identifier: AGPL-3.0-only

pragma solidity 0.8.10;

import {DataTypes} from './DataTypes.sol';

library Events {
    /**
     * @dev Emitted when the NFT contract's name and symbol are set at initialization.
     *
     * @param name The NFT name set.
     * @param symbol The NFT symbol set.
     * @param timestamp The current block timestamp.
     */
    event BaseInitialized(string name, string symbol, uint256 timestamp);

    /**
     * @dev Emitted when the hub state is set.
     *
     * @param caller The caller who set the state.
     * @param prevState The previous protocol state, an enum of either `Paused`, `PublishingPaused` or `Unpaused`.
     * @param newState The newly set state, an enum of either `Paused`, `PublishingPaused` or `Unpaused`.
     * @param timestamp The current block timestamp.
     */
    event StateSet(
        address indexed caller,
        DataTypes.ProtocolState indexed prevState,
        DataTypes.ProtocolState indexed newState,
        uint256 timestamp
    );

    /**
     * @dev Emitted when the governance address is changed. We emit the caller even though it should be the previous
     * governance address, as we cannot guarantee this will always be the case due to upgradeability.
     *
     * @param caller The caller who set the governance address.
     * @param prevGovernance The previous governance address.
     * @param newGovernance The new governance address set.
     * @param timestamp The current block timestamp.
     */
    event GovernanceSet(
        address indexed caller,
        address indexed prevGovernance,
        address indexed newGovernance,
        uint256 timestamp
    );

    /**
     * @dev Emitted when the emergency admin is changed. We emit the caller even though it should be the previous
     * governance address, as we cannot guarantee this will always be the case due to upgradeability.
     *
     * @param caller The caller who set the emergency admin address.
     * @param oldEmergencyAdmin The previous emergency admin address.
     * @param newEmergencyAdmin The new emergency admin address set.
     * @param timestamp The current block timestamp.
     */
    event EmergencyAdminSet(
        address indexed caller,
        address indexed oldEmergencyAdmin,
        address indexed newEmergencyAdmin,
        uint256 timestamp
    );

    /**
     * @dev Emitted when a profile creator is added to or removed from the whitelist.
     *
     * @param profileCreator The address of the profile creator.
     * @param whitelisted Whether or not the profile creator is being added to the whitelist.
     * @param timestamp The current block timestamp.
     */
    event ProfileCreatorWhitelisted(
        address indexed profileCreator,
        bool indexed whitelisted,
        uint256 timestamp
    );

    /**
     * @dev Emitted when a follow module is added to or removed from the whitelist.
     *
     * @param followModule The address of the follow module.
     * @param whitelisted Whether or not the follow module is being added to the whitelist.
     * @param timestamp The current block timestamp.
     */
    event FollowModuleWhitelisted(
        address indexed followModule,
        bool indexed whitelisted,
        uint256 timestamp
    );

    /**
     * @dev Emitted when a reference module is added to or removed from the whitelist.
     *
     * @param referenceModule The address of the reference module.
     * @param whitelisted Whether or not the reference module is being added to the whitelist.
     * @param timestamp The current block timestamp.
     */
    event ReferenceModuleWhitelisted(
        address indexed referenceModule,
        bool indexed whitelisted,
        uint256 timestamp
    );

    /**
     * @dev Emitted when a collect module is added to or removed from the whitelist.
     *
     * @param collectModule The address of the collect module.
     * @param whitelisted Whether or not the collect module is being added to the whitelist.
     * @param timestamp The current block timestamp.
     */
    event CollectModuleWhitelisted(
        address indexed collectModule,
        bool indexed whitelisted,
        uint256 timestamp
    );

    /**
     * @dev Emitted when a profile is created.
     *
     * @param profileId The newly created profile's token ID.
     * @param creator The profile creator, who created the token with the given profile ID.
     * @param to The address receiving the profile with the given profile ID.
     * @param handle The handle set for the profile.
     * @param imageURI The image uri set for the profile.
     * @param followModule The profile's newly set follow module. This CAN be the zero address.
     * @param followModuleReturnData The data returned from the follow module's initialization. This is abi encoded
     * and totally depends on the follow module chosen.
     * @param timestamp The current block timestamp.
     */
    event ProfileCreated(
        uint256 indexed profileId,
        address indexed creator,
        address indexed to,
        string handle,
        string imageURI,
        address followModule,
        bytes followModuleReturnData,
        string followNFTURI,
        uint256 timestamp
    );

    /**
     * @dev Emitted when a a default profile is set for a wallet as its main identity
     *
     * @param wallet The wallet which set or unset its default profile.
     * @param profileId The token ID of the profile being set as default, or zero.
     * @param timestamp The current block timestamp.
     */
    event DefaultProfileSet(address indexed wallet, uint256 indexed profileId, uint256 timestamp);

    /**
     * @dev Emitted when a dispatcher is set for a specific profile.
     *
     * @param profileId The token ID of the profile for which the dispatcher is set.
     * @param dispatcher The dispatcher set for the given profile.
     * @param timestamp The current block timestamp.
     */
    event DispatcherSet(uint256 indexed profileId, address indexed dispatcher, uint256 timestamp);

    /**
     * @dev Emitted when a profile's URI is set.
     *
     * @param profileId The token ID of the profile for which the URI is set.
     * @param imageURI The URI set for the given profile.
     * @param timestamp The current block timestamp.
     */
    event ProfileImageURISet(uint256 indexed profileId, string imageURI, uint256 timestamp);

    /**
     * @dev Emitted when a follow NFT's URI is set.
     *
     * @param profileId The token ID of the profile for which the followNFT URI is set.
     * @param followNFTURI The follow NFT URI set.
     * @param timestamp The current block timestamp.
     */
    event FollowNFTURISet(uint256 indexed profileId, string followNFTURI, uint256 timestamp);

    /**
     * @dev Emitted when a profile's follow module is set.
     *
     * @param profileId The profile's token ID.
     * @param followModule The profile's newly set follow module. This CAN be the zero address.
     * @param followModuleReturnData The data returned from the follow module's initialization. This is abi encoded
     * and totally depends on the follow module chosen.
     * @param timestamp The current block timestamp.
     */
    event FollowModuleSet(
        uint256 indexed profileId,
        address followModule,
        bytes followModuleReturnData,
        uint256 timestamp
    );

    /**
     * @dev Emitted when a "post" is published.
     *
     * @param profileId The profile's token ID.
     * @param pubId The new publication's ID.
     * @param contentURI The URI mapped to this new publication.
     * @param collectModule The collect module mapped to this new publication. This CANNOT be the zero address.
     * @param collectModuleReturnData The data returned from the collect module's initialization for this given
     * publication. This is abi encoded and totally depends on the collect module chosen.
     * @param referenceModule The reference module set for this publication.
     * @param referenceModuleReturnData The data returned from the reference module at initialization. This is abi
     * encoded and totally depends on the reference module chosen.
     * @param timestamp The current block timestamp.
     */
    event PostCreated(
        uint256 indexed profileId,
        uint256 indexed pubId,
        string contentURI,
        address collectModule,
        bytes collectModuleReturnData,
        address referenceModule,
        bytes referenceModuleReturnData,
        uint256 timestamp
    );

    /**
     * @dev Emitted when a "comment" is published.
     *
     * @param profileId The profile's token ID.
     * @param pubId The new publication's ID.
     * @param contentURI The URI mapped to this new publication.
     * @param profileIdPointed The profile token ID that this comment points to.
     * @param pubIdPointed The publication ID that this comment points to.
     * @param collectModule The collect module mapped to this new publication. This CANNOT be the zero address.
     * @param collectModuleReturnData The data returned from the collect module's initialization for this given
     * publication. This is abi encoded and totally depends on the collect module chosen.
     * @param referenceModule The reference module set for this publication.
     * @param referenceModuleReturnData The data returned from the reference module at initialization. This is abi
     * encoded and totally depends on the reference module chosen.
     * @param timestamp The current block timestamp.
     */
    event CommentCreated(
        uint256 indexed profileId,
        uint256 indexed pubId,
        string contentURI,
        uint256 profileIdPointed,
        uint256 pubIdPointed,
        address collectModule,
        bytes collectModuleReturnData,
        address referenceModule,
        bytes referenceModuleReturnData,
        uint256 timestamp
    );

    /**
     * @dev Emitted when a "mirror" is published.
     *
     * @param profileId The profile's token ID.
     * @param pubId The new publication's ID.
     * @param profileIdPointed The profile token ID that this mirror points to.
     * @param pubIdPointed The publication ID that this mirror points to.
     * @param referenceModule The reference module set for this publication.
     * @param referenceModuleReturnData The data returned from the reference module at initialization. This is abi
     * encoded and totally depends on the reference module chosen.
     * @param timestamp The current block timestamp.
     */
    event MirrorCreated(
        uint256 indexed profileId,
        uint256 indexed pubId,
        uint256 profileIdPointed,
        uint256 pubIdPointed,
        address referenceModule,
        bytes referenceModuleReturnData,
        uint256 timestamp
    );

    /**
     * @dev Emitted when a followNFT clone is deployed using a lazy deployment pattern.
     *
     * @param profileId The token ID of the profile to which this followNFT is associated.
     * @param followNFT The address of the newly deployed followNFT clone.
     * @param timestamp The current block timestamp.
     */
    event FollowNFTDeployed(
        uint256 indexed profileId,
        address indexed followNFT,
        uint256 timestamp
    );

    /**
     * @dev Emitted when a collectNFT clone is deployed using a lazy deployment pattern.
     *
     * @param profileId The publisher's profile token ID.
     * @param pubId The publication associated with the newly deployed collectNFT clone's ID.
     * @param collectNFT The address of the newly deployed collectNFT clone.
     * @param timestamp The current block timestamp.
     */
    event CollectNFTDeployed(
        uint256 indexed profileId,
        uint256 indexed pubId,
        address indexed collectNFT,
        uint256 timestamp
    );

    /**
     * @dev Emitted upon a successful collect action.
     *
     * @param collector The address collecting the publication.
     * @param profileId The token ID of the profile that the collect was initiated towards, useful to differentiate mirrors.
     * @param pubId The publication ID that the collect was initiated towards, useful to differentiate mirrors.
     * @param rootProfileId The profile token ID of the profile whose publication is being collected.
     * @param rootPubId The publication ID of the publication being collected.
     * @param timestamp The current block timestamp.
     */
    event Collected(
        address indexed collector,
        uint256 indexed profileId,
        uint256 indexed pubId,
        uint256 rootProfileId,
        uint256 rootPubId,
        uint256 timestamp
    );

    /**
     * @dev Emitted via callback when a followNFT is transferred.
     *
     * @param profileId The token ID of the profile associated with the followNFT being transferred.
     * @param followNFTId The followNFT being transferred's token ID.
     * @param from The address the followNFT is being transferred from.
     * @param to The address the followNFT is being transferred to.
     * @param timestamp The current block timestamp.
     */
    event FollowNFTTransferred(
        uint256 indexed profileId,
        uint256 indexed followNFTId,
        address from,
        address to,
        uint256 timestamp
    );

    /**
     * @dev Emitted via callback when a collectNFT is transferred.
     *
     * @param profileId The token ID of the profile associated with the collectNFT being transferred.
     * @param pubId The publication ID associated with the collectNFT being transferred.
     * @param collectNFTId The collectNFT being transferred's token ID.
     * @param from The address the collectNFT is being transferred from.
     * @param to The address the collectNFT is being transferred to.
     * @param timestamp The current block timestamp.
     */
    event CollectNFTTransferred(
        uint256 indexed profileId,
        uint256 indexed pubId,
        uint256 indexed collectNFTId,
        address from,
        address to,
        uint256 timestamp
    );

    // Collect/Follow NFT-Specific

    /**
     * @dev Emitted when a newly deployed follow NFT is initialized.
     *
     * @param profileId The token ID of the profile connected to this follow NFT.
     * @param timestamp The current block timestamp.
     */
    event FollowNFTInitialized(uint256 indexed profileId, uint256 timestamp);

    /**
     * @dev Emitted when delegation power in a FollowNFT is changed.
     *
     * @param delegate The delegate whose power has been changed.
     * @param newPower The new governance power mapped to the delegate.
     * @param timestamp The current block timestamp.
     */
    event FollowNFTDelegatedPowerChanged(
        address indexed delegate,
        uint256 indexed newPower,
        uint256 timestamp
    );

    /**
     * @dev Emitted when a newly deployed collect NFT is initialized.
     *
     * @param profileId The token ID of the profile connected to the publication mapped to this collect NFT.
     * @param pubId The publication ID connected to the publication mapped to this collect NFT.
     * @param timestamp The current block timestamp.
     */
    event CollectNFTInitialized(
        uint256 indexed profileId,
        uint256 indexed pubId,
        uint256 timestamp
    );

    // Module-Specific

    /**
     * @notice Emitted when the ModuleGlobals governance address is set.
     *
     * @param prevGovernance The previous governance address.
     * @param newGovernance The new governance address set.
     * @param timestamp The current block timestamp.
     */
    event ModuleGlobalsGovernanceSet(
        address indexed prevGovernance,
        address indexed newGovernance,
        uint256 timestamp
    );

    /**
     * @notice Emitted when the ModuleGlobals treasury address is set.
     *
     * @param prevTreasury The previous treasury address.
     * @param newTreasury The new treasury address set.
     * @param timestamp The current block timestamp.
     */
    event ModuleGlobalsTreasurySet(
        address indexed prevTreasury,
        address indexed newTreasury,
        uint256 timestamp
    );

    /**
     * @notice Emitted when the ModuleGlobals treasury fee is set.
     *
     * @param prevTreasuryFee The previous treasury fee in BPS.
     * @param newTreasuryFee The new treasury fee in BPS.
     * @param timestamp The current block timestamp.
     */
    event ModuleGlobalsTreasuryFeeSet(
        uint16 indexed prevTreasuryFee,
        uint16 indexed newTreasuryFee,
        uint256 timestamp
    );

    /**
     * @notice Emitted when a currency is added to or removed from the ModuleGlobals whitelist.
     *
     * @param currency The currency address.
     * @param prevWhitelisted Whether or not the currency was previously whitelisted.
     * @param whitelisted Whether or not the currency is whitelisted.
     * @param timestamp The current block timestamp.
     */
    event ModuleGlobalsCurrencyWhitelisted(
        address indexed currency,
        bool indexed prevWhitelisted,
        bool indexed whitelisted,
        uint256 timestamp
    );

    /**
     * @notice Emitted when a module inheriting from the `FeeModuleBase` is constructed.
     *
     * @param moduleGlobals The ModuleGlobals contract address used.
     * @param timestamp The current block timestamp.
     */
    event FeeModuleBaseConstructed(address indexed moduleGlobals, uint256 timestamp);

    /**
     * @notice Emitted when a module inheriting from the `ModuleBase` is constructed.
     *
     * @param hub The LensHub contract address used.
     * @param timestamp The current block timestamp.
     */
    event ModuleBaseConstructed(address indexed hub, uint256 timestamp);

    /**
     * @notice Emitted when one or multiple addresses are approved (or disapproved) for following in
     * the `ApprovalFollowModule`.
     *
     * @param owner The profile owner who executed the approval.
     * @param profileId The profile ID that the follow approvals are granted/revoked for.
     * @param addresses The addresses that have had the follow approvals grnated/revoked.
     * @param approved Whether each corresponding address is now approved or disapproved.
     * @param timestamp The current block timestamp.
     */
    event FollowsApproved(
        address indexed owner,
        uint256 indexed profileId,
        address[] addresses,
        bool[] approved,
        uint256 timestamp
    );

    /**
     * @dev Emitted when the user wants to enable or disable the follow.
     *
     * @param owner The profile owner who executed the toggle.
     * @param profileIds The array of token IDs of the profiles each followNFT is associated with.
     * @param enabled The array of whether each FollowNFT's follow is enabled/disabled.
     * @param timestamp The current block timestamp.
     */
    event FollowsToggled(
        address indexed owner,
        uint256[] profileIds,
        bool[] enabled,
        uint256 timestamp
    );

}