const loglevels = ['off', 'error', 'warn', 'info', 'debug'] as const

type LogLevel = (typeof loglevels)[number]

const isLogLevel = (level: unknown): level is LogLevel =>
    typeof level === 'string' && loglevels.includes(level as LogLevel)

const loglevel = (): LogLevel => {
    const maybeLevel =
        (typeof process !== 'undefined' && process.env && process.env.BLIP_SDK_LOG_LEVEL) ||
        (typeof window !== 'undefined' && 'BLIP_SDK_LOG_LEVEL' in window && window.BLIP_SDK_LOG_LEVEL)

    return isLogLevel(maybeLevel) ? maybeLevel : 'off'
}

export const logger = {
    log: function (level: Exclude<LogLevel, 'off'>, module: string, message: string, ...args: Array<unknown>): void {
        const currentLevel = loglevel()
        const shouldLog = loglevels.indexOf(level) <= loglevels.indexOf(currentLevel)

        if (!shouldLog) {
            return
        }

        const prefix = `[${module}] ${message}`
        // biome-ignore lint/suspicious/noConsole: it is the logger
        console[level].apply(console, [prefix, ...args])
    },
    error: function (module: string, message: string, ...args: Array<unknown>): void {
        this.log('error', module, message, ...args)
    },
    warn: function (module: string, message: string, ...args: Array<unknown>): void {
        this.log('warn', module, message, ...args)
    },
    info: function (module: string, message: string, ...args: Array<unknown>): void {
        this.log('info', module, message, ...args)
    },
    debug: function (module: string, message: string, ...args: Array<unknown>): void {
        this.log('debug', module, message, ...args)
    },
}