use crate::{
  newtypes::{CommentId, CommentReplyId, PersonId},
  source::comment_reply::*,
  traits::Crud,
};
use diesel::{dsl::*, result::Error, *};

impl Crud for CommentReply {
  type Form = CommentReplyForm;
  type IdType = CommentReplyId;
  fn read(conn: &mut PgConnection, comment_reply_id: CommentReplyId) -> Result<Self, Error> {
    use crate::schema::comment_reply::dsl::*;
    comment_reply.find(comment_reply_id).first::<Self>(conn)
  }

  fn create(conn: &mut PgConnection, comment_reply_form: &CommentReplyForm) -> Result<Self, Error> {
    use crate::schema::comment_reply::dsl::*;
    // since the return here isnt utilized, we dont need to do an update
    // but get_result doesnt return the existing row here
    insert_into(comment_reply)
      .values(comment_reply_form)
      .on_conflict((recipient_id, comment_id))
      .do_update()
      .set(comment_reply_form)
      .get_result::<Self>(conn)
  }

  fn update(
    conn: &mut PgConnection,
    comment_reply_id: CommentReplyId,
    comment_reply_form: &CommentReplyForm,
  ) -> Result<Self, Error> {
    use crate::schema::comment_reply::dsl::*;
    diesel::update(comment_reply.find(comment_reply_id))
      .set(comment_reply_form)
      .get_result::<Self>(conn)
  }
}

impl CommentReply {
  pub fn update_read(
    conn: &mut PgConnection,
    comment_reply_id: CommentReplyId,
    new_read: bool,
  ) -> Result<CommentReply, Error> {
    use crate::schema::comment_reply::dsl::*;
    diesel::update(comment_reply.find(comment_reply_id))
      .set(read.eq(new_read))
      .get_result::<Self>(conn)
  }

  pub fn mark_all_as_read(
    conn: &mut PgConnection,
    for_recipient_id: PersonId,
  ) -> Result<Vec<CommentReply>, Error> {
    use crate::schema::comment_reply::dsl::*;
    diesel::update(
      comment_reply
        .filter(recipient_id.eq(for_recipient_id))
        .filter(read.eq(false)),
    )
    .set(read.eq(true))
    .get_results::<Self>(conn)
  }

  pub fn read_by_comment(
    conn: &mut PgConnection,
    for_comment_id: CommentId,
  ) -> Result<Self, Error> {
    use crate::schema::comment_reply::dsl::*;
    comment_reply
      .filter(comment_id.eq(for_comment_id))
      .first::<Self>(conn)
  }
}

#[cfg(test)]
mod tests {
  use crate::{
    source::{
      comment::*,
      comment_reply::*,
      community::{Community, CommunityForm},
      person::*,
      post::*,
    },
    traits::Crud,
    utils::establish_unpooled_connection,
  };
  use serial_test::serial;

  #[test]
  #[serial]
  fn test_crud() {
    let conn = &mut establish_unpooled_connection();

    let new_person = PersonForm {
      name: "terrylake".into(),
      public_key: Some("pubkey".to_string()),
      ..PersonForm::default()
    };

    let inserted_person = Person::create(conn, &new_person).unwrap();

    let recipient_form = PersonForm {
      name: "terrylakes recipient".into(),
      public_key: Some("pubkey".to_string()),
      ..PersonForm::default()
    };

    let inserted_recipient = Person::create(conn, &recipient_form).unwrap();

    let new_community = CommunityForm {
      name: "test community lake".to_string(),
      title: "nada".to_owned(),
      public_key: Some("pubkey".to_string()),
      ..CommunityForm::default()
    };

    let inserted_community = Community::create(conn, &new_community).unwrap();

    let new_post = PostForm {
      name: "A test post".into(),
      creator_id: inserted_person.id,
      community_id: inserted_community.id,
      ..PostForm::default()
    };

    let inserted_post = Post::create(conn, &new_post).unwrap();

    let comment_form = CommentForm {
      content: "A test comment".into(),
      creator_id: inserted_person.id,
      post_id: inserted_post.id,
      ..CommentForm::default()
    };

    let inserted_comment = Comment::create(conn, &comment_form, None).unwrap();

    let comment_reply_form = CommentReplyForm {
      recipient_id: inserted_recipient.id,
      comment_id: inserted_comment.id,
      read: None,
    };

    let inserted_reply = CommentReply::create(conn, &comment_reply_form).unwrap();

    let expected_reply = CommentReply {
      id: inserted_reply.id,
      recipient_id: inserted_reply.recipient_id,
      comment_id: inserted_reply.comment_id,
      read: false,
      published: inserted_reply.published,
    };

    let read_reply = CommentReply::read(conn, inserted_reply.id).unwrap();
    let updated_reply = CommentReply::update(conn, inserted_reply.id, &comment_reply_form).unwrap();
    Comment::delete(conn, inserted_comment.id).unwrap();
    Post::delete(conn, inserted_post.id).unwrap();
    Community::delete(conn, inserted_community.id).unwrap();
    Person::delete(conn, inserted_person.id).unwrap();
    Person::delete(conn, inserted_recipient.id).unwrap();

    assert_eq!(expected_reply, read_reply);
    assert_eq!(expected_reply, inserted_reply);
    assert_eq!(expected_reply, updated_reply);
  }
}