use crate::connections::db_connection;
use crate::models::{FamilyID, Member, MemberID, NewMember};
use crate::schema::members;
use crate::utils::time_utils::time;
use diesel::prelude::*;
use diesel::RunQueryDsl;

/// Create a new family member
pub async fn create(family_id: FamilyID) -> anyhow::Result<Member> {
    db_connection::execute(|conn| {
        let res: Member = diesel::insert_into(members::table)
            .values(&NewMember {
                family_id: family_id.0,
                time_create: time() as i64,
                time_update: time() as i64,
            })
            .get_result(conn)?;

        Ok(res)
    })
}

/// Get the information of a member
pub async fn get_by_id(id: MemberID) -> anyhow::Result<Member> {
    db_connection::execute(|conn| members::table.filter(members::dsl::id.eq(id.0)).first(conn))
}

/// Check whether a member with a given id exists or not
pub async fn exists(family_id: FamilyID, member_id: MemberID) -> anyhow::Result<bool> {
    db_connection::execute(|conn| {
        let count: i64 = members::table
            .filter(
                members::id
                    .eq(member_id.0)
                    .and(members::family_id.eq(family_id.0)),
            )
            .count()
            .get_result(conn)?;

        Ok(count != 0)
    })
}

/// Update the information of a member
pub async fn update(member: &mut Member) -> anyhow::Result<()> {
    member.time_update = time() as i64;

    db_connection::execute(|conn| {
        diesel::update(members::dsl::members.filter(members::dsl::id.eq(member.id().0)))
            .set((
                members::dsl::first_name.eq(member.first_name.clone()),
                members::dsl::last_name.eq(member.last_name.clone()),
                members::dsl::birth_last_name.eq(member.birth_last_name.clone()),
                members::dsl::photo_id.eq(member.photo_id.clone()),
                members::dsl::email.eq(member.email.clone()),
                members::dsl::phone.eq(member.phone.clone()),
                members::dsl::address.eq(member.address.clone()),
                members::dsl::city.eq(member.city.clone()),
                members::dsl::postal_code.eq(member.postal_code.clone()),
                members::dsl::country.eq(member.country.clone()),
                members::dsl::sex.eq(member.sex().map(|s| s.to_str().to_string())),
                members::dsl::time_update.eq(member.time_update),
                members::dsl::mother.eq(member.mother().map(|m| m.0)),
                members::dsl::father.eq(member.father().map(|m| m.0)),
                members::dsl::birth_year.eq(member.birth_year),
                members::dsl::birth_month.eq(member.birth_month),
                members::dsl::birth_day.eq(member.birth_day),
                members::dsl::death_year.eq(member.death_year),
                members::dsl::death_month.eq(member.death_month),
                members::dsl::death_day.eq(member.death_day),
                members::dsl::note.eq(member.note.clone()),
            ))
            .execute(conn)
    })?;

    Ok(())
}

/// Delete a member
pub async fn delete(member: &Member) -> anyhow::Result<()> {
    // TODO : remove associated couple
    // TODO : remove user photo

    // Remove the member
    db_connection::execute(|conn| {
        diesel::delete(members::dsl::members.filter(members::dsl::id.eq(member.id().0)))
            .execute(conn)
    })?;

    Ok(())
}