import app from '@adonisjs/core/services/app'

export function capitalize(str: string) {
  return str.charAt(0).toUpperCase() + str.slice(1)
}

export function camelCase(str: string) {
  return str.replace(/_([a-z])/g, (_, c) => c.toUpperCase())
}

export function pascalCase(str: string) {
  return capitalize(camelCase(str))
}

// Naive singularization used for generated file names ("posts" -> "post"):
// simply drops the trailing character.
export function singularize(str: string) {
  return str.slice(0, str.length - 1)
}

export function tableToModelName(tableName: string): string {
  return app.generators.modelName(tableName)
}

export function tableToModelSchemaName(tableName: string): string {
  return app.generators.modelName(tableName) + 'Schema'
}