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//! # Accountant
//! The Accountant object provides function for querying balances and asset values for the Account.

use abstract_std::{
    objects::{
        oracle::{self, AccountValue},
        AssetEntry,
    },
    proxy::{AssetsInfoResponse, BaseAssetResponse, QueryMsg, TokenValueResponse},
};
use cosmwasm_std::{Deps, Uint128};

use super::{AbstractApi, ApiIdentification};
use crate::{
    cw_helpers::ApiQuery,
    features::{AbstractNameService, AccountIdentification, ModuleIdentification},
    AbstractSdkResult,
};

/// Retrieve asset-registration information from the Account.
/// Query asset values and balances.
pub trait AccountingInterface:
    AbstractNameService + AccountIdentification + ModuleIdentification
{
    /**
        API for querying the Account's asset values and accounting configuration.

        # Example
        ```
        use abstract_sdk::prelude::*;
        # use cosmwasm_std::testing::mock_dependencies;
        # use abstract_sdk::mock_module::MockModule;
        # let module = MockModule::new();
        # let deps = mock_dependencies();

        let accountant: Accountant<MockModule>  = module.accountant(deps.as_ref());
        ```
    */
    fn accountant<'a>(&'a self, deps: Deps<'a>) -> Accountant<Self> {
        Accountant { base: self, deps }
    }
}

impl<T> AccountingInterface for T where
    T: AbstractNameService + AccountIdentification + ModuleIdentification
{
}

impl<'a, T: AccountingInterface> AbstractApi<T> for Accountant<'a, T> {
    fn base(&self) -> &T {
        self.base
    }
    fn deps(&self) -> Deps {
        self.deps
    }
}

impl<'a, T: AccountingInterface> ApiIdentification for Accountant<'a, T> {
    fn api_id() -> String {
        "Accountant".to_owned()
    }
}

#[derive(Clone)]
/**
    API for querying the Account's asset values and accounting configuration.

    # Example
    ```
    use abstract_sdk::prelude::*;
    # use cosmwasm_std::testing::mock_dependencies;
    # use abstract_sdk::mock_module::MockModule;
    # let module = MockModule::new();
    # let deps = mock_dependencies();

    let accountant: Accountant<MockModule>  = module.accountant(deps.as_ref());
    ```
*/
pub struct Accountant<'a, T: AccountingInterface> {
    base: &'a T,
    deps: Deps<'a>,
}

impl<'a, T: AccountingInterface> Accountant<'a, T> {
    /// Query the total value denominated in the base asset
    /// The provided address must implement the TotalValue Query
    pub fn query_total_value(&self) -> AbstractSdkResult<AccountValue> {
        let proxy_address = self.base.proxy_address(self.deps)?;
        let response: AccountValue =
            self.smart_query(proxy_address.to_string(), &QueryMsg::TotalValue {})?;

        Ok(response)
    }

    /// Query the asset value denominated in the base asset
    pub fn asset_value(&self, asset_entry: AssetEntry) -> AbstractSdkResult<Uint128> {
        let proxy_address = self.base.proxy_address(self.deps)?;
        let response: TokenValueResponse = self.smart_query(
            proxy_address.to_string(),
            &QueryMsg::TokenValue {
                identifier: asset_entry,
            },
        )?;

        Ok(response.value)
    }

    /// Return the proxy's base asset
    pub fn base_asset(&self) -> AbstractSdkResult<BaseAssetResponse> {
        let proxy_address = self.base.proxy_address(self.deps)?;
        let response: BaseAssetResponse =
            self.smart_query(proxy_address.to_string(), &QueryMsg::BaseAsset {})?;

        Ok(response)
    }

    /// List enabled assets (AssetInfos)
    pub fn assets_list(&self) -> AbstractSdkResult<AssetsInfoResponse> {
        let proxy_address = self.base.proxy_address(self.deps)?;

        let resp: AssetsInfoResponse = self.smart_query(
            proxy_address,
            &QueryMsg::AssetsInfo {
                start_after: None,
                limit: Some(oracle::LIST_SIZE_LIMIT),
            },
        )?;

        Ok(resp)
    }

    // /// List ProxyAssets raw
    // pub fn proxy_assets_list(&self) -> AbstractSdkResult<Vec<(AssetEntry, ProxyAsset)>> {
    //     let querier = self.deps.querier;
    //     let proxy_address = self.base.proxy_address(self.deps)?;

    //     let mut assets = vec![];
    //     let mut resp: AssetsResponse = querier.query_wasm_smart(
    //         &proxy_address,
    //         &QueryMsg::Assets {
    //             start_after: None,
    //             limit: None,
    //         },
    //     )?;
    //     while !resp.assets.is_empty() {
    //         let start_after = resp.assets.last().unwrap().0.clone();
    //         assets.append(resp.assets.as_mut());
    //         resp = querier.query_wasm_smart(
    //             &proxy_address,
    //             &QueryMsg::Assets {
    //                 start_after: Some(start_after.to_string()),
    //                 limit: None,
    //             },
    //         )?;
    //     }
    //     Ok(assets)
    // }
}

#[cfg(test)]
mod test {
    // use super::*;
    // use crate::mock_module::*;

    mod query_total_value {
        // use super::*;
    }
}