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(CopilotRules::Table)
                    .col(
                        ColumnDef::new(CopilotRules::Id)
                            .uuid()
                            .not_null()
                            .primary_key(),
                    )
                    .col(ColumnDef::new(CopilotRules::TenantId).uuid().not_null())
                    .col(
                        ColumnDef::new(CopilotRules::Name)
                            .string_len(200)
                            .not_null(),
                    )
                    .col(
                        ColumnDef::new(CopilotRules::Category)
                            .string_len(50)
                            .not_null(),
                    )
                    .col(
                        ColumnDef::new(CopilotRules::ConditionExpr)
                            .json()
                            .not_null(),
                    )
                    .col(
                        ColumnDef::new(CopilotRules::Score)
                            .small_integer()
                            .not_null(),
                    )
                    .col(
                        ColumnDef::new(CopilotRules::Severity)
                            .string_len(20)
                            .not_null(),
                    )
                    .col(ColumnDef::new(CopilotRules::Suggestion).text().null())
                    .col(
                        ColumnDef::new(CopilotRules::Enabled)
                            .boolean()
                            .not_null()
                            .default(true),
                    )
                    .col(
                        ColumnDef::new(CopilotRules::SortOrder)
                            .integer()
                            .not_null()
                            .default(0),
                    )
                    .col(
                        ColumnDef::new(CopilotRules::CreatedAt)
                            .timestamp_with_time_zone()
                            .not_null()
                            .default(Expr::current_timestamp()),
                    )
                    .col(
                        ColumnDef::new(CopilotRules::UpdatedAt)
                            .timestamp_with_time_zone()
                            .not_null()
                            .default(Expr::current_timestamp()),
                    )
                    .col(ColumnDef::new(CopilotRules::CreatedBy).uuid().null())
                    .col(ColumnDef::new(CopilotRules::UpdatedBy).uuid().null())
                    .col(
                        ColumnDef::new(CopilotRules::DeletedAt)
                            .timestamp_with_time_zone()
                            .null(),
                    )
                    .col(
                        ColumnDef::new(CopilotRules::VersionLock)
                            .integer()
                            .not_null()
                            .default(1),
                    )
                    .to_owned(),
            )
            .await?;

        manager
            .create_index(
                Index::create()
                    .name("idx_copilot_rules_tenant_category")
                    .table(CopilotRules::Table)
                    .col(CopilotRules::TenantId)
                    .col(CopilotRules::Category)
                    .to_owned(),
            )
            .await
    }

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

#[derive(DeriveIden)]
enum CopilotRules {
    Table,
    Id,
    TenantId,
    Name,
    Category,
    ConditionExpr,
    Score,
    Severity,
    Suggestion,
    Enabled,
    SortOrder,
    CreatedAt,
    UpdatedAt,
    CreatedBy,
    UpdatedBy,
    DeletedAt,
    VersionLock,
}