const { Unit } = require('libflitter')

class SettingsUnit extends Unit {
    static get name() {
        return 'settings'
    }

    static get services() {
        return [...super.services, 'configs', 'models', 'output']
    }

    async go(app) {
        Error.stackTraceLimit = 50
        app.express.set('trust proxy', true)

        const Setting = this.models.get('Setting')
        const default_settings = this.configs.get('setting.settings')
        for ( const key in default_settings ) {
            if ( !default_settings.hasOwnProperty(key) ) continue
            const default_value = default_settings[key]
            this.output.debug(`Guarantee setting key "${key}" with default value "${default_value}".`)
            await Setting.guarantee(key, default_value)
        }
    }
}

module.exports = exports = SettingsUnit