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pub mod response;

use crate::{
    endpoints::NOTION_URI,
    objects::{block::Block, Response},
    NotionClientError,
};

use self::response::RetrieveBlockChilerenResponse;

use super::BlocksEndpoint;

impl BlocksEndpoint {
    pub async fn retrieve_a_block(&self, block_id: &str) -> Result<Block, NotionClientError> {
        let result = self
            .client
            .get(format!(
                "{notion_uri}/blocks/{block_id}",
                notion_uri = NOTION_URI,
            ))
            .send()
            .await
            .map_err(|e| NotionClientError::FailedToRequest { source: e })?;

        let body = result
            .text()
            .await
            .map_err(|e| NotionClientError::FailedToText { source: e })?;

        let response = serde_json::from_str(&body)
            .map_err(|e| NotionClientError::FailedToDeserialize { source: e })?;

        match response {
            Response::Success(r) => Ok(r),
            Response::Error(e) => Err(NotionClientError::InvalidStatusCode { error: e }),
        }
    }

    pub async fn retrieve_block_children(
        &self,
        block_id: &str,
        start_cursor: Option<&str>,
        page_size: Option<u32>,
    ) -> Result<RetrieveBlockChilerenResponse, NotionClientError> {
        let mut query = vec![];
        if let Some(start_cursor) = start_cursor {
            query.insert(0, ("start_cursor", start_cursor));
        }
        let page_size = page_size.map(|p| p.to_string());
        if let Some(page_size) = &page_size {
            query.insert(0, ("page_size", page_size));
        }

        let result = self
            .client
            .get(format!(
                "{notion_uri}/blocks/{block_id}/children",
                notion_uri = NOTION_URI,
            ))
            .query(&query)
            .send()
            .await
            .map_err(|e| NotionClientError::FailedToRequest { source: e })?;

        let body = result
            .text()
            .await
            .map_err(|e| NotionClientError::FailedToText { source: e })?;

        let response = serde_json::from_str(&body)
            .map_err(|e| NotionClientError::FailedToDeserialize { source: e })?;

        match response {
            Response::Success(r) => Ok(r),
            Response::Error(e) => Err(NotionClientError::InvalidStatusCode { error: e }),
        }
    }
}