//use chrono::DateTime;
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> {
        // Replace the sample below with your own migration scripts
        //todo!();


        manager
            .create_table(
                Table::create()
                    .table(User::Table)
                    .if_not_exists()
                    .col(
                        ColumnDef::new(User::Id)
                            .integer()
                            .not_null()
                            .auto_increment()
                            .primary_key(),
                    )
                    .col(ColumnDef::new(User::UserName).string().unique_key().not_null())
                    .col(ColumnDef::new(User::PasswordHash).string().not_null())
                    .to_owned(),
            )
            .await.expect("Migration failed");


        manager
            .create_table(
                Table::create()
                    .table(Book::Table)
                    .if_not_exists()
                    .col(
                        ColumnDef::new(Book::Id)
                            .integer()
                            .not_null()
                            .auto_increment()
                            .primary_key(),
                    )
                    .col(ColumnDef::new(Book::OpenLibraryKey).string())
                    .col(ColumnDef::new(Book::Title).string().not_null())
                    .col(ColumnDef::new(Book::EditionCount).integer())
                    .col(ColumnDef::new(Book::FirstPublishYear).integer())
                    .col(ColumnDef::new(Book::MedianPageCount).integer())
                    .col(ColumnDef::new(Book::GoodreadId).string())
                    .col(ColumnDef::new(Book::Description).string())
                    .col(ColumnDef::new(Book::Cover).string())
                    .col(ColumnDef::new(Book::Location).string())
                    .col(ColumnDef::new(Book::TimeAdded).time())
                    .col(ColumnDef::new(Book::Rating).integer())
                    .col(ColumnDef::new(Book::Comments).string())
                    .col(ColumnDef::new(Book::UserId).integer().not_null())
                    .foreign_key(
                        ForeignKey::create()
                            .name("FK_2e303c3a712662f1fc2a4d0aavc")
                            .from(Book::Table, Book::UserId)
                            .to(User::Table, User::Id)
                            .on_delete(ForeignKeyAction::Cascade)
                            .on_update(ForeignKeyAction::Cascade),
                    )
                    .to_owned(),
            )
            .await.expect("Migration failed");

        manager
            .create_table(
                Table::create()
                    .table(BookAuthor::Table)
                    .if_not_exists()
                    .col(
                        ColumnDef::new(BookAuthor::Id)
                            .integer()
                            .not_null()
                            .auto_increment()
                            .primary_key(),
                    )
                    .col(ColumnDef::new(BookAuthor::AuthorName).string().not_null())
                    .col(ColumnDef::new(BookAuthor::BookId).integer().not_null())
                    .foreign_key(
                        ForeignKey::create()
                            .name("FK_2e303c3a712662f1fc2a4d0aad5")
                            .from(BookAuthor::Table, BookAuthor::BookId)
                            .to(Book::Table, Book::Id)
                            .on_delete(ForeignKeyAction::Cascade)
                            .on_update(ForeignKeyAction::Cascade),
                    )
                    .to_owned(),
            )
            .await.expect("Migration failed");

        manager
            .create_table(
                Table::create()
                    .table(BookPerson::Table)
                    .if_not_exists()
                    .col(
                        ColumnDef::new(BookPerson::Id)
                            .integer()
                            .not_null()
                            .auto_increment()
                            .primary_key(),
                    )
                    .col(ColumnDef::new(BookPerson::Person).string().not_null())
                    .col(ColumnDef::new(BookPerson::BookId).integer().not_null())
                    .foreign_key(
                        ForeignKey::create()
                            .name("FK_2e303c3a712662f1fc2a4d0aad6")
                            .from(BookPerson::Table, BookPerson::BookId)
                            .to(Book::Table, Book::Id)
                            .on_delete(ForeignKeyAction::Cascade)
                            .on_update(ForeignKeyAction::Cascade),
                    )
                    .to_owned(),
            )
            .await.expect("Migration failed");

        manager
            .create_table(
                Table::create()
                    .table(BookPlace::Table)
                    .if_not_exists()
                    .col(
                        ColumnDef::new(BookPlace::Id)
                            .integer()
                            .not_null()
                            .auto_increment()
                            .primary_key(),
                    )
                    .col(ColumnDef::new(BookPlace::Place).string().not_null())
                    .col(ColumnDef::new(BookPlace::BookId).integer().not_null())
                    .foreign_key(
                        ForeignKey::create()
                            .name("FK_2e303c3a712662f1fc2a4d0aad7")
                            .from(BookPlace::Table, BookPlace::BookId)
                            .to(Book::Table, Book::Id)
                            .on_delete(ForeignKeyAction::Cascade)
                            .on_update(ForeignKeyAction::Cascade),
                    )
                    .to_owned(),
            )
            .await.expect("Migration failed");

        manager
            .create_table(
                Table::create()
                    .table(BookSubject::Table)
                    .if_not_exists()
                    .col(
                        ColumnDef::new(BookSubject::Id)
                            .integer()
                            .not_null()
                            .auto_increment()
                            .primary_key(),
                    )
                    .col(ColumnDef::new(BookSubject::Subject).string().not_null())
                    .col(ColumnDef::new(BookSubject::BookId).integer().not_null())
                    .foreign_key(
                        ForeignKey::create()
                            .name("FK_2e303c3a712662f1fc2a4d0aad8")
                            .from(BookSubject::Table, BookSubject::BookId)
                            .to(Book::Table, Book::Id)
                            .on_delete(ForeignKeyAction::Cascade)
                            .on_update(ForeignKeyAction::Cascade),
                    )
                    .to_owned(),
            )
            .await.expect("Migration failed");

        manager
            .create_table(
                Table::create()
                    .table(BookTime::Table)
                    .if_not_exists()
                    .col(
                        ColumnDef::new(BookTime::Id)
                            .integer()
                            .not_null()
                            .auto_increment()
                            .primary_key(),
                    )
                    .col(ColumnDef::new(BookTime::Time).string().not_null())
                    .col(ColumnDef::new(BookTime::BookId).integer().not_null())
                    .foreign_key(
                        ForeignKey::create()
                            .name("FK_2e303c3a712662f1fc2a4d0aad9")
                            .from(BookTime::Table, BookTime::BookId)
                            .to(Book::Table, Book::Id)
                            .on_delete(ForeignKeyAction::Cascade)
                            .on_update(ForeignKeyAction::Cascade),
                    )
                    .to_owned(),
            )
            .await.expect("Migration failed");

        manager
            .create_table(
                Table::create()
                    .table(BookISBN::Table)
                    .if_not_exists()
                    .col(
                        ColumnDef::new(BookISBN::Id)
                            .integer()
                            .not_null()
                            .auto_increment()
                            .primary_key(),
                    )
                    .col(ColumnDef::new(BookISBN::ISBN).string().not_null())
                    .col(ColumnDef::new(BookISBN::BookId).integer().not_null())
                    .foreign_key(
                        ForeignKey::create()
                            .name("FK_2e303c3a712662f1fc2a4d0aae0")
                            .from(BookISBN::Table, BookISBN::BookId)
                            .to(Book::Table, Book::Id)
                            .on_delete(ForeignKeyAction::Cascade)
                            .on_update(ForeignKeyAction::Cascade),
                    )
                    .to_owned(),
            )
            .await
    }

    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
        // Replace the sample below with your own migration scripts
        //todo!();

        manager
            .drop_table(Table::drop().table(Book::Table).to_owned())
            .await.expect("Drop failed");
        manager
            .drop_table(Table::drop().table(BookAuthor::Table).to_owned())
            .await.expect("Drop failed");
        manager
            .drop_table(Table::drop().table(BookPerson::Table).to_owned())
            .await.expect("Drop failed");
        manager
            .drop_table(Table::drop().table(BookPlace::Table).to_owned())
            .await.expect("Drop failed");
        manager
            .drop_table(Table::drop().table(BookSubject::Table).to_owned())
            .await.expect("Drop failed");
        manager
            .drop_table(Table::drop().table(BookTime::Table).to_owned())
            .await.expect("Drop failed");
        manager
            .drop_table(Table::drop().table(BookISBN::Table).to_owned())
            .await
    }
}

/// Learn more at https://docs.rs/sea-query#iden
#[derive(Iden)]
enum Book {
    Table,
    Id,
    OpenLibraryKey,
    Title,
    EditionCount,
    FirstPublishYear,
    MedianPageCount,
    //AuthorName,
    //Person,
    //Place,
    //Subject,
    //Time,
    //ISBN,
    GoodreadId,
    Description,
    Cover,
    Location,
    TimeAdded,
    Rating,
    Comments,
    UserId
}

#[derive(Iden)]
enum BookAuthor {
    Table,
    Id,
    AuthorName,
    BookId,
}

#[derive(Iden)]
enum BookPerson {
    Table,
    Id,
    Person,
    BookId,
}

#[derive(Iden)]
enum BookPlace {
    Table,
    Id,
    Place,
    BookId,
}

#[derive(Iden)]
enum BookSubject {
    Table,
    Id,
    Subject,
    BookId,
}

#[derive(Iden)]
enum BookTime {
    Table,
    Id,
    Time,
    BookId,
}

#[derive(Iden)]
enum BookISBN {
    Table,
    Id,
    ISBN,
    BookId,
}

#[derive(Iden)]
enum User {
    Table,
    Id,
    UserName,
    PasswordHash,
}