pub mod types;

pub async fn send_mssage(
    msg: &textsender_models::message::Message,
    contact: &textsender_models::contact::Contact,
    param: crate::twilio::types::Parameters,
    config: &textsender_models::config::auxiliary::TwilioConfig,
) -> Result<reqwest::Response, std::io::Error> {
    if config.account_sid.is_empty() {
        Err(std::io::Error::other("Account SID is empty"))
    } else if config.auth_token.is_empty() {
        Err(std::io::Error::other(" Auth token is empty"))
    } else {
        let now = time::OffsetDateTime::now_utc();
        match reqwest::Client::builder().build() {
            Ok(client) => {
                let mut headers = reqwest::header::HeaderMap::new();
                headers.insert(
                    "Content-Type",
                    "application/x-www-form-urlencoded".parse().unwrap(),
                );
                headers.insert("Accept", "application/json".parse().unwrap());
                let auth = generate_auth(config).unwrap();
                headers.insert("Authorization", auth.parse().unwrap());

                let mut params = std::collections::HashMap::new();
                params.insert("To", contact.phone_number.as_str());
                // params.insert("StatusCallback", "http://OjQozHznkhNTTR.vpnrM1zdXFuiQ");
                // params.insert("MaxPrice", "1");
                params.insert("ProvideFeedback", "true");
                // params.insert("Attempt", "5");
                // params.insert("ValidityPeriod", "1537");
                params.insert("ForceDelivery", "false");
                params.insert("ContentRetention", "retain");
                params.insert("AddressRetention", "obfuscate");
                params.insert("SmartEncoded", "true");
                // params.insert("PersistentAction", "string");
                // params.insert("PersistentAction", "string");
                params.insert("ShortenUrls", "true");
                let date = match param.schedule_at {
                    Some(date_value) => date_value.to_string(),
                    None => String::new(),
                };
                if param.schedule && is_scheduleable(&Some(now), &param.schedule_at) {
                    params.insert("ScheduleType", "fixed");
                    params.insert("SendAt", date.as_str());
                }
                params.insert("SendAsMms", "true");
                params.insert("RiskCheck", "enable");
                params.insert("From", config.phone_number.as_str());
                params.insert("MessagingServiceSid", config.service_sid.as_str());
                params.insert("Body", msg.content.as_str());

                let url = format!(
                    "https://api.twilio.com/2010-04-01/Accounts/{}/Messages.json",
                    config.account_sid
                );

                let request = client.post(url).headers(headers).form(&params);
                match request.send().await {
                    Ok(response) => match response.status() {
                        reqwest::StatusCode::OK => Ok(response),
                        status => Err(std::io::Error::other(format!(
                            "Unaccounted status: {status:?}"
                        ))),
                    },
                    Err(err) => Err(std::io::Error::other(err.to_string())),
                }
            }
            Err(err) => Err(std::io::Error::other(err.to_string())),
        }
    }
}

fn generate_auth(
    config: &textsender_models::config::auxiliary::TwilioConfig,
) -> Result<String, base64_ng::EncodeError> {
    let input = format!("{}:{}", config.account_sid, config.auth_token);
    match base64_ng::encode(input.as_bytes()) {
        Ok(encoded) => Ok(format!("Basic {encoded}")),
        Err(err) => Err(err),
    }
}
/*
    let mut params = std::collections::HashMap::new();
    params.insert("StatusCallback", "http://OjQozHznkhNTTR.vpnrM1zdXFuiQ");
    params.insert("MaxPrice", "1");
    params.insert("ProvideFeedback", "true");
    params.insert("Attempt", "5");
    params.insert("ValidityPeriod", "1537");
    params.insert("ForceDelivery", "false");
    params.insert("ContentRetention", "retain");
    params.insert("AddressRetention", "obfuscate");
    params.insert("SmartEncoded", "true");
    params.insert("PersistentAction", "string");
    params.insert("PersistentAction", "string");
    params.insert("ShortenUrls", "true");
    params.insert("SendAsMms", "true");
    params.insert("RiskCheck", "enable");

    let response = request.send().await?;
    let body = response.text().await?;
    println!("{}", body);

    Ok(())
}
*/

fn is_scheduleable(
    now: &Option<time::OffsetDateTime>,
    scheduled: &Option<time::OffsetDateTime>,
) -> bool {
    match scheduled {
        Some(schedule_at) => {
            let early = now
                .unwrap()
                .checked_add(time::Duration::seconds(300))
                .unwrap();
            *schedule_at > early
        }
        None => false,
    }
}