import * as os from 'os'
import { NgZone } from '@angular/core'

export const WIN_BUILD_CONPTY_SUPPORTED = 17692
export const WIN_BUILD_CONPTY_STABLE = 18309
export const WIN_BUILD_WSL_EXE_DISTRO_FLAG = 17763
export const WIN_BUILD_FLUENT_BG_SUPPORTED = 17063

export function isWindowsBuild (build: number): boolean {
    return process.platform === 'win32' && parseFloat(os.release()) >= 10 && parseInt(os.release().split('.')[2]) >= build
}

// eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
export function getCSSFontFamily (config: any): string {
    let fonts: string[] = config.terminal.font.split(',').map(x => x.trim().replaceAll('"', ''))
    if (config.terminal.fallbackFont) {
        fonts.push(config.terminal.fallbackFont)
    }
    fonts.push('monospace-fallback')
    fonts.push('monospace')
    fonts = fonts.map(x => `"${x}"`)
    return fonts.join(', ')
}

export function wrapPromise <T> (zone: NgZone, promise: Promise<T>): Promise<T> {
    return new Promise((resolve, reject) => {
        promise.then(result => {
            zone.run(() => resolve(result))
        }).catch(error => {
            zone.run(() => reject(error))
        })
    })
}

export class ResettableTimeout {
    private fn: () => void
    private timeout: number
    private id: any

    constructor (fn: () => void, timeout: number) {
        this.fn = fn
        this.timeout = timeout
        this.id = null
    }

    set (timeout?: number): void {
        this.clear()
        this.id = setTimeout(this.fn, timeout ?? this.timeout)
    }

    clear (): void {
        if (this.id) {
            clearTimeout(this.id)
        }
    }
}