package migrations

import (
	"fmt"

	"github.com/grafana/grafana/pkg/services/sqlstore/migrator"
)

func addSecretsMigration(mg *migrator.Migrator) {
	dataKeysV1 := migrator.Table{
		Name: "data_keys",
		Columns: []*migrator.Column{
			{Name: "name", Type: migrator.DB_NVarchar, Length: 100, IsPrimaryKey: true},
			{Name: "active", Type: migrator.DB_Bool},
			{Name: "scope", Type: migrator.DB_NVarchar, Length: 30, Nullable: false},
			{Name: "provider", Type: migrator.DB_NVarchar, Length: 50, Nullable: false},
			{Name: "encrypted_data", Type: migrator.DB_Blob, Nullable: false},
			{Name: "created", Type: migrator.DB_DateTime, Nullable: false},
			{Name: "updated", Type: migrator.DB_DateTime, Nullable: false},
		},
		Indices: []*migrator.Index{},
	}

	mg.AddMigration("create data_keys table", migrator.NewAddTableMigration(dataKeysV1))

	secretsV1 := migrator.Table{
		Name: "secrets",
		Columns: []*migrator.Column{
			{Name: "id", Type: migrator.DB_BigInt, IsPrimaryKey: true, IsAutoIncrement: true},
			{Name: "org_id", Type: migrator.DB_BigInt, Nullable: false},
			{Name: "namespace", Type: migrator.DB_NVarchar, Length: 255, Nullable: false},
			{Name: "type", Type: migrator.DB_NVarchar, Length: 255, Nullable: false},
			{Name: "value", Type: migrator.DB_Text, Nullable: true},
			{Name: "created", Type: migrator.DB_DateTime, Nullable: false},
			{Name: "updated", Type: migrator.DB_DateTime, Nullable: false},
		},
		Indices: []*migrator.Index{
			{Cols: []string{"org_id"}},
			{Cols: []string{"org_id", "namespace"}},
			{Cols: []string{"org_id", "namespace", "type"}, Type: migrator.UniqueIndex},
		},
	}

	mg.AddMigration("create secrets table", migrator.NewAddTableMigration(secretsV1))

	mg.AddMigration("rename data_keys name column to id", migrator.NewRenameColumnMigration(
		dataKeysV1, dataKeysV1.Columns[0], "id",
	))

	mg.AddMigration("add name column into data_keys", migrator.NewAddColumnMigration(
		dataKeysV1,
		&migrator.Column{
			Name:     "name",
			Type:     migrator.DB_NVarchar,
			Length:   100,
			Default:  "''",
			Nullable: false,
		},
	))

	mg.AddMigration("copy data_keys id column values into name", migrator.NewRawSQLMigration(
		fmt.Sprintf("UPDATE %s SET %s = %s", dataKeysV1.Name, "name", "id"),
	))
	// ------- This is done for backward compatibility with versions > v8.3.x
	mg.AddMigration("rename data_keys name column to label", migrator.NewRenameColumnMigration(
		dataKeysV1, dataKeysV1.Columns[0], "label",
	))

	mg.AddMigration("rename data_keys id column back to name", migrator.NewRenameColumnMigration(
		dataKeysV1,
		&migrator.Column{Name: "id", Type: migrator.DB_NVarchar, Length: 100, IsPrimaryKey: true},
		"name",
	))

	// --------------------
}