use skynet_discord_bot::{db_init, get_config, get_server_config_bulk, Config, ServerMembers, Servers, Wolves};

use serde::Deserialize;
use serenity::model::id::GuildId;
use sqlx::{Pool, Sqlite};

#[tokio::main]
async fn main() {
  let config = get_config();
  let db = match db_init(&config).await {
    Ok(x) => x,
    Err(_) => return,
  };

  // handle wolves api here
  get_wolves_csv(&db, &config).await;
  // handle wolves api here
  get_wolves(&db).await;
  // get from skynet for the compsoc server only
  get_skynet(&db, &config).await;
}

async fn get_wolves_csv(db: &Pool<Sqlite>, config: &Config) {
  if let Ok(accounts) = get_csv(config) {
    for account in accounts {
      add_users_wolves_csv(db, &config.skynet_server, &account).await;
    }
  }
}

#[derive(Debug, serde::Deserialize)]
struct RecordCSV {
  #[serde(rename = "MemID")]
  mem_id: String,
  #[serde(rename = "Contact Email")]
  email: String,
  #[serde(rename = "Expiry")]
  expiry: String,
}

impl From<&RecordCSV> for Wolves {
  fn from(input: &RecordCSV) -> Self {
    Self {
      id_wolves: input.mem_id.to_owned(),
      email: input.email.to_owned(),
      discord: None,
      minecraft: None,
    }
  }
}

impl From<&RecordCSV> for ServerMembers {
  fn from(input: &RecordCSV) -> Self {
    Self {
      server: Default::default(),
      id_wolves: input.mem_id.to_owned(),
      expiry: input.expiry.to_owned(),
    }
  }
}

struct Csv {
  wolves: Wolves,
  server_members: ServerMembers,
}

fn get_csv(config: &Config) -> Result<Vec<Csv>, Box<dyn std::error::Error>> {
  let mut result = vec![];

  let csv = format!("{}/{}", &config.home, &config.csv);
  if let Ok(mut rdr) = csv::Reader::from_path(csv) {
    for r in rdr.deserialize() {
      // Notice that we need to provide a type hint for automatic
      // deserialization.
      let record: RecordCSV = r?;
      if record.mem_id.is_empty() {
        continue;
      }

      result.push(Csv {
        wolves: Wolves::from(&record),
        server_members: ServerMembers::from(&record),
      });
    }
  }

  Ok(result)
}
async fn add_users_wolves_csv(db: &Pool<Sqlite>, server: &GuildId, user: &Csv) {
  match sqlx::query_as::<_, Wolves>(
    "
      INSERT OR REPLACE INTO wolves (id_wolves, email)
      VALUES (?1, ?2)
    ",
  )
  .bind(&user.wolves.id_wolves)
  .bind(&user.wolves.email)
  .fetch_optional(db)
  .await
  {
    Ok(_) => {}
    Err(e) => {
      println!("Failure to insert into {}  {:?}", server.as_u64(), user.wolves);
      println!("{:?}", e);
    }
  }

  match sqlx::query_as::<_, ServerMembers>(
    "
      INSERT OR REPLACE INTO server_members (server, id_wolves, expiry)
      VALUES (?1, ?2, ?3)
    ",
  )
  .bind(*server.as_u64() as i64)
  .bind(&user.server_members.id_wolves)
  .bind(&user.server_members.expiry)
  .fetch_optional(db)
  .await
  {
    Ok(_) => {}
    Err(e) => {
      println!("Failure to insert into {}  {:?}", server.as_u64(), user.server_members);
      println!("{:?}", e);
    }
  }
}

#[derive(Debug, Deserialize)]
pub struct SkynetResult {
  discord: String,
  id_member: String,
}
async fn get_skynet(db: &Pool<Sqlite>, config: &Config) {
  let url = format!("{}/ldap/discord?auth={}", &config.ldap_api, &config.auth);
  if let Ok(result) = surf::get(url).recv_json::<Vec<SkynetResult>>().await {
    for user in result {
      add_users_skynet(db, &config.skynet_server, &user).await;
    }
  }
}
async fn add_users_skynet(db: &Pool<Sqlite>, server: &GuildId, user: &SkynetResult) {
  match sqlx::query_as::<_, Wolves>(
    "
      UPDATE wolves
      SET discord = ?
      WHERE id_wolves = ?
    ",
  )
  .bind(&user.discord)
  .bind(&user.id_member)
  .fetch_optional(db)
  .await
  {
    Ok(_) => {}
    Err(e) => {
      println!("Failure to insert into {}  {:?}", server.as_u64(), user);
      println!("{:?}", e);
    }
  }
}

#[derive(Debug, Deserialize)]
struct WolvesResult {
  pub id_wolves: String,
  pub email: String,
  pub expiry: String,
}
async fn get_wolves(db: &Pool<Sqlite>) {
  for server_config in get_server_config_bulk(db).await {
    let Servers {
      server,
      //wolves_api,
      ..
    } = server_config;

    // get the data here
    let result: Vec<WolvesResult> = vec![WolvesResult {
      id_wolves: "12345".to_string(),
      email: "ul.wolves2@brendan.ie".to_string(),
      expiry: "2024-08-31".to_string(),
    }];

    for user in result {
      add_users_wolves(db, &server, &user).await;
    }
  }
}

async fn add_users_wolves(db: &Pool<Sqlite>, server: &GuildId, user: &WolvesResult) {
  // expiry
  match sqlx::query_as::<_, Wolves>(
    "
      INSERT OR REPLACE INTO wolves (id_wolves, email)
      VALUES (?1, ?2)
    ",
  )
  .bind(&user.id_wolves)
  .bind(&user.email)
  .fetch_optional(db)
  .await
  {
    Ok(_) => {}
    Err(e) => {
      println!("Failure to insert into Wolves {}  {:?}", server.as_u64(), user);
      println!("{:?}", e);
    }
  }

  match sqlx::query_as::<_, ServerMembers>(
    "
      INSERT OR REPLACE INTO server_members (server, id_wolves, expiry)
      VALUES (?1, ?2, ?3)
    ",
  )
  .bind(*server.as_u64() as i64)
  .bind(&user.id_wolves)
  .bind(&user.expiry)
  .fetch_optional(db)
  .await
  {
    Ok(_) => {}
    Err(e) => {
      println!("Failure to insert into ServerMembers {}  {:?}", server.as_u64(), user);
      println!("{:?}", e);
    }
  }
}