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use schemars::JsonSchema;
use serde::{Deserialize, Serialize};

use cosmwasm_std::HumanAddr;
use cw4::Member;

#[derive(Serialize, Deserialize, Clone, PartialEq, JsonSchema, Debug)]
#[serde(rename_all = "snake_case")]
pub struct InitMsg {
    /// The admin is the only account that can update the group state.
    /// Omit it to make the group immutable.
    pub admin: Option<HumanAddr>,
    pub members: Vec<Member>,
}

#[derive(Serialize, Deserialize, Clone, PartialEq, JsonSchema, Debug)]
#[serde(rename_all = "snake_case")]
pub enum HandleMsg {
    /// Change the admin
    UpdateAdmin { admin: Option<HumanAddr> },
    /// apply a diff to the existing members.
    /// remove is applied after add, so if an address is in both, it is removed
    UpdateMembers {
        remove: Vec<HumanAddr>,
        add: Vec<Member>,
    },
    /// Add a new hook to be informed of all membership changes. Must be called by Admin
    AddHook { addr: HumanAddr },
    /// Remove a hook. Must be called by Admin
    RemoveHook { addr: HumanAddr },
}

#[derive(Serialize, Deserialize, Clone, PartialEq, JsonSchema, Debug)]
#[serde(rename_all = "snake_case")]
pub enum QueryMsg {
    /// Return AdminResponse
    Admin {},
    /// Return TotalWeightResponse
    TotalWeight {},
    /// Returns MembersListResponse
    ListMembers {
        start_after: Option<HumanAddr>,
        limit: Option<u32>,
    },
    /// Returns MemberResponse
    Member {
        addr: HumanAddr,
        at_height: Option<u64>,
    },
    /// Shows all registered hooks. Returns HooksResponse.
    Hooks {},
}