// src/migrator/m20220602_000001_create_bakery_table.rs (create new file)

use sea_orm_migration::{prelude::*, schema::*};

pub struct Migration;

impl MigrationName for Migration {
    fn name(&self) -> &str {
        "m20241029_000001_init"
    }
}

#[derive(DeriveIden)]
pub enum Users {
    Table,
    Id,
    Username,
    Password,
}

#[derive(DeriveIden)]
enum Groups {
    Table,
    Id,
    Name,
}

#[derive(DeriveIden)]
enum Permissions {
    Table,
    Id,
    Name,
}

#[derive(DeriveIden)]
enum UsersGroups {
    Table,
    Id,
    UserId,
    GroupId,
}

#[derive(DeriveIden)]
enum GroupsPermissions {
    Table,
    Id,
    GroupId,
    PermissionId,
}

#[derive(DeriveIden)]
enum UserRunningNetworkConfigs {
    Table,
    Id,
    UserId,
    DeviceId,
    NetworkInstanceId,
    NetworkConfig,
    Disabled,
    CreateTime,
    UpdateTime,
}

#[async_trait::async_trait]
impl MigrationTrait for Migration {
    // Define how to apply this migration: Create the Bakery table.
    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
        // Create the `users` table.
        manager
            .create_table(
                Table::create()
                    .if_not_exists()
                    .table(Users::Table)
                    .col(pk_auto(Users::Id).not_null())
                    .col(string(Users::Username).not_null().unique_key())
                    .col(string(Users::Password).not_null())
                    .to_owned(),
            )
            .await?;
        manager
            .create_index(
                Index::create()
                    .name("idx_users_username")
                    .table(Users::Table)
                    .col(Users::Username)
                    .to_owned(),
            )
            .await?;

        // Create the `groups` table.
        manager
            .create_table(
                Table::create()
                    .if_not_exists()
                    .table(Groups::Table)
                    .col(pk_auto(Groups::Id).not_null())
                    .col(string(Groups::Name).not_null().unique_key())
                    .to_owned(),
            )
            .await?;
        manager
            .create_index(
                Index::create()
                    .name("idx_groups_name")
                    .table(Groups::Table)
                    .col(Groups::Name)
                    .to_owned(),
            )
            .await?;

        // Create the `permissions` table.
        manager
            .create_table(
                Table::create()
                    .if_not_exists()
                    .table(Permissions::Table)
                    .col(pk_auto(Permissions::Id).not_null())
                    .col(string(Permissions::Name).not_null().unique_key())
                    .to_owned(),
            )
            .await?;

        // Create the `users_groups` table.
        manager
            .create_table(
                Table::create()
                    .if_not_exists()
                    .table(UsersGroups::Table)
                    .col(pk_auto(UsersGroups::Id).not_null())
                    .col(integer(UsersGroups::UserId).not_null())
                    .col(integer(UsersGroups::GroupId).not_null())
                    .foreign_key(
                        ForeignKey::create()
                            .name("fk_users_groups_user_id_to_users_id")
                            .from(UsersGroups::Table, UsersGroups::UserId)
                            .to(Users::Table, Users::Id)
                            .on_delete(ForeignKeyAction::Cascade)
                            .on_update(ForeignKeyAction::Cascade),
                    )
                    .foreign_key(
                        ForeignKey::create()
                            .name("fk_users_groups_group_id_to_groups_id")
                            .from(UsersGroups::Table, UsersGroups::GroupId)
                            .to(Groups::Table, Groups::Id)
                            .on_delete(ForeignKeyAction::Cascade)
                            .on_update(ForeignKeyAction::Cascade),
                    )
                    .to_owned(),
            )
            .await?;

        // Create the `groups_permissions` table.
        manager
            .create_table(
                Table::create()
                    .if_not_exists()
                    .table(GroupsPermissions::Table)
                    .col(pk_auto(GroupsPermissions::Id).not_null())
                    .col(integer(GroupsPermissions::GroupId).not_null())
                    .col(integer(GroupsPermissions::PermissionId).not_null())
                    .foreign_key(
                        ForeignKey::create()
                            .name("fk_groups_permissions_group_id_to_groups_id")
                            .from(GroupsPermissions::Table, GroupsPermissions::GroupId)
                            .to(Groups::Table, Groups::Id)
                            .on_delete(ForeignKeyAction::Cascade)
                            .on_update(ForeignKeyAction::Cascade),
                    )
                    .foreign_key(
                        ForeignKey::create()
                            .name("fk_groups_permissions_permission_id_to_permissions_id")
                            .from(GroupsPermissions::Table, GroupsPermissions::PermissionId)
                            .to(Permissions::Table, Permissions::Id)
                            .on_delete(ForeignKeyAction::Cascade)
                            .on_update(ForeignKeyAction::Cascade),
                    )
                    .to_owned(),
            )
            .await?;

        // create user running network configs table
        manager
            .create_table(
                Table::create()
                    .if_not_exists()
                    .table(UserRunningNetworkConfigs::Table)
                    .col(pk_auto(UserRunningNetworkConfigs::Id).not_null())
                    .col(integer(UserRunningNetworkConfigs::UserId).not_null())
                    .col(text(UserRunningNetworkConfigs::DeviceId).not_null())
                    .col(
                        text(UserRunningNetworkConfigs::NetworkInstanceId)
                            .unique_key()
                            .not_null(),
                    )
                    .col(text(UserRunningNetworkConfigs::NetworkConfig).not_null())
                    .col(
                        boolean(UserRunningNetworkConfigs::Disabled)
                            .not_null()
                            .default(false),
                    )
                    .col(timestamp_with_time_zone(UserRunningNetworkConfigs::CreateTime).not_null())
                    .col(timestamp_with_time_zone(UserRunningNetworkConfigs::UpdateTime).not_null())
                    .foreign_key(
                        ForeignKey::create()
                            .name("fk_user_running_network_configs_user_id_to_users_id")
                            .from(
                                UserRunningNetworkConfigs::Table,
                                UserRunningNetworkConfigs::UserId,
                            )
                            .to(Users::Table, Users::Id)
                            .on_delete(ForeignKeyAction::Cascade)
                            .on_update(ForeignKeyAction::Cascade),
                    )
                    .to_owned(),
            )
            .await?;
        manager
            .create_index(
                Index::create()
                    .name("idx_user_running_network_configs_user_id")
                    .table(UserRunningNetworkConfigs::Table)
                    .col(UserRunningNetworkConfigs::UserId)
                    .to_owned(),
            )
            .await?;

        // prepare data
        let user = Query::insert()
            .into_table(Users::Table)
            .columns(vec![Users::Username, Users::Password])
            .values_panic(vec![
                "user".into(),
                "$argon2i$v=19$m=16,t=2,p=1$aGVyRDBrcnRycnlaMDhkbw$449SEcv/qXf+0fnI9+fYVQ".into(), // user (md5summed)
            ])
            .to_owned();
        manager.exec_stmt(user).await?;

        let admin = Query::insert()
            .into_table(Users::Table)
            .columns(vec![Users::Username, Users::Password])
            .values_panic(vec![
                "admin".into(),
                "$argon2i$v=19$m=16,t=2,p=1$bW5idXl0cmY$61n+JxL4r3dwLPAEDlDdtg".into(), // admin (md5summed)
            ])
            .to_owned();
        manager.exec_stmt(admin).await?;

        let users = Query::insert()
            .into_table(Groups::Table)
            .columns(vec![Groups::Name])
            .values_panic(vec!["users".into()])
            .to_owned();
        manager.exec_stmt(users).await?;

        let admins = Query::insert()
            .into_table(Groups::Table)
            .columns(vec![Groups::Name])
            .values_panic(vec!["admins".into()])
            .to_owned();
        manager.exec_stmt(admins).await?;

        let sessions = Query::insert()
            .into_table(Permissions::Table)
            .columns(vec![Permissions::Name])
            .values_panic(vec!["sessions".into()])
            .to_owned();
        manager.exec_stmt(sessions).await?;

        let devices = Query::insert()
            .into_table(Permissions::Table)
            .columns(vec![Permissions::Name])
            .values_panic(vec!["devices".into()])
            .to_owned();
        manager.exec_stmt(devices).await?;

        let users_devices = Query::insert()
            .into_table(GroupsPermissions::Table)
            .columns(vec![
                GroupsPermissions::GroupId,
                GroupsPermissions::PermissionId,
            ])
            .select_from(
                Query::select()
                    .column((Groups::Table, Groups::Id))
                    .column((Permissions::Table, Permissions::Id))
                    .from(Groups::Table)
                    .full_outer_join(Permissions::Table, all![])
                    .cond_where(any![
                        // users have devices permission
                        Expr::col((Groups::Table, Groups::Name))
                            .eq("users")
                            .and(Expr::col((Permissions::Table, Permissions::Name)).eq("devices")),
                        // admins have all permissions
                        Expr::col((Groups::Table, Groups::Name)).eq("admins"),
                    ])
                    .to_owned(),
            )
            .unwrap()
            .to_owned();
        manager.exec_stmt(users_devices).await?;

        let add_user_to_users = Query::insert()
            .into_table(UsersGroups::Table)
            .columns(vec![UsersGroups::UserId, UsersGroups::GroupId])
            .select_from(
                Query::select()
                    .column((Users::Table, Users::Id))
                    .column((Groups::Table, Groups::Id))
                    .from(Users::Table)
                    .full_outer_join(Groups::Table, all![])
                    .cond_where(
                        Expr::col(Users::Username)
                            .eq("user")
                            .and(Expr::col(Groups::Name).eq("users")),
                    )
                    .to_owned(),
            )
            .unwrap()
            .to_owned();
        manager.exec_stmt(add_user_to_users).await?;

        let add_admin_to_admins = Query::insert()
            .into_table(UsersGroups::Table)
            .columns(vec![UsersGroups::UserId, UsersGroups::GroupId])
            .select_from(
                Query::select()
                    .column((Users::Table, Users::Id))
                    .column((Groups::Table, Groups::Id))
                    .from(Users::Table)
                    .full_outer_join(Groups::Table, all![])
                    .cond_where(
                        Expr::col(Users::Username)
                            .eq("admin")
                            .and(Expr::col(Groups::Name).eq("admins")),
                    )
                    .to_owned(),
            )
            .unwrap()
            .to_owned();
        manager.exec_stmt(add_admin_to_admins).await?;

        Ok(())
    }

    // Define how to rollback this migration: Drop the Bakery table.
    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
        manager
            .drop_table(Table::drop().table(Users::Table).to_owned())
            .await?;
        manager
            .drop_table(Table::drop().table(Groups::Table).to_owned())
            .await?;
        manager
            .drop_table(Table::drop().table(Permissions::Table).to_owned())
            .await?;
        manager
            .drop_table(Table::drop().table(UsersGroups::Table).to_owned())
            .await?;
        manager
            .drop_table(Table::drop().table(GroupsPermissions::Table).to_owned())
            .await?;
        Ok(())
    }
}