// OxideTalis Messaging Protocol homeserver database migrations
// Copyright (C) 2024 Awiteb <a@4rs.nl>, OxideTalis Contributors
//
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// of this software and associated documentation files (the "Software"), to deal
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//! Migration to create the `in_chat_requests` table, a table for incoming chat
//! requests from other users

use sea_orm_migration::prelude::*;

use crate::create_users_table::Users;

#[derive(DeriveMigrationName)]
pub struct Migration;

#[async_trait::async_trait]
impl MigrationTrait for Migration {
    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
        manager
            .create_table(
                Table::create()
                    .table(InChatRequests::Table)
                    .if_not_exists()
                    .col(
                        ColumnDef::new(InChatRequests::Id)
                            .big_integer()
                            .not_null()
                            .auto_increment()
                            .primary_key(),
                    )
                    .col(
                        ColumnDef::new(InChatRequests::RecipientId)
                            .big_integer()
                            .not_null(),
                    )
                    .foreign_key(
                        ForeignKey::create()
                            .name("fk-in_chat_requests-users")
                            .from(InChatRequests::Table, InChatRequests::RecipientId)
                            .to(Users::Table, Users::Id)
                            .on_update(ForeignKeyAction::NoAction)
                            .on_delete(ForeignKeyAction::Cascade),
                    )
                    .col(ColumnDef::new(InChatRequests::Sender).string().not_null())
                    .col(
                        ColumnDef::new(InChatRequests::InOn)
                            .timestamp_with_time_zone()
                            .not_null(),
                    )
                    .to_owned(),
            )
            .await?;
        manager
            .create_index(
                Index::create()
                    .if_not_exists()
                    .name("sep_request")
                    .table(InChatRequests::Table)
                    .col(InChatRequests::RecipientId)
                    .col(InChatRequests::Sender)
                    .unique()
                    .to_owned(),
            )
            .await
    }
}

#[derive(DeriveIden)]
enum InChatRequests {
    Table,
    Id,
    RecipientId,
    /// Public key of the sender
    Sender,
    InOn,
}