use sea_orm_migration::prelude::*;

#[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(Transaction::Table)
                    .if_not_exists()
                    .col(
                        ColumnDef::new(Transaction::Id)
                            .string()
                            .not_null()
                            .primary_key(),
                    )
                    .col(
                        ColumnDef::new(Transaction::TransactionType)
                            .string()
                            .not_null(),
                    )
                    .col(
                        ColumnDef::new(Transaction::TotalAmount)
                            .decimal()
                            .not_null(),
                    )
                    .col(
                        ColumnDef::new(Transaction::Timestamp)
                            .timestamp()
                            .not_null(),
                    )
                    .col(ColumnDef::new(Transaction::Title).string().not_null())
                    .col(ColumnDef::new(Transaction::Emoji).string())
                    .col(ColumnDef::new(Transaction::Notes).string())
                    .col(ColumnDef::new(Transaction::Receipt).string())
                    .col(ColumnDef::new(Transaction::Description).string())
                    .to_owned(),
            )
            .await?;

        manager
            .create_table(
                Table::create()
                    .table(Expenditure::Table)
                    .if_not_exists()
                    .col(
                        ColumnDef::new(Expenditure::TransactionId)
                            .string()
                            .not_null(),
                    )
                    .col(ColumnDef::new(Expenditure::Category).string().not_null())
                    .primary_key(
                        Index::create()
                            .col(Expenditure::TransactionId)
                            .col(Expenditure::Category),
                    )
                    .col(ColumnDef::new(Expenditure::Amount).decimal().not_null())
                    .to_owned(),
            )
            .await?;

        Ok(())
    }

    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
        manager
            .drop_table(Table::drop().table(Expenditure::Table).to_owned())
            .await?;

        manager
            .drop_table(Table::drop().table(Transaction::Table).to_owned())
            .await?;

        Ok(())
    }
}

#[derive(DeriveIden)]
enum Transaction {
    Table,
    Id,
    TransactionType,
    Timestamp,
    Title,
    Emoji,
    Notes,
    Receipt,
    TotalAmount,
    Description,
}

#[derive(DeriveIden)]
enum Expenditure {
    Table,
    Category,
    Amount,
    TransactionId,
}