import type { Page } from 'playwright'
import { DISCORD } from '../../constants'
import { MicrosoftRewardsBot } from '../../index'
import { SecurityIncident } from './types'

export class SecurityUtils {
    private bot: MicrosoftRewardsBot
    private compromisedInterval?: NodeJS.Timeout

    constructor(bot: MicrosoftRewardsBot) {
        this.bot = bot
    }

    public async sendIncidentAlert(incident: SecurityIncident, severity: 'warn' | 'critical' = 'warn') {
        const lines = [`[Incident] ${incident.kind}`, `Account: ${incident.account}`]
        if (incident.details?.length) lines.push(`Details: ${incident.details.join(' | ')}`)
        if (incident.next?.length) lines.push(`Next: ${incident.next.join(' -> ')}`)
        if (incident.docsUrl) lines.push(`Docs: ${incident.docsUrl}`)
        const level: 'warn' | 'error' = severity === 'critical' ? 'error' : 'warn'
        this.bot.log(this.bot.isMobile, 'SECURITY', lines.join(' | '), level)
        try {
            const { ConclusionWebhook } = await import('../../util/notifications/ConclusionWebhook')
            const fields = [
                { name: 'Account', value: incident.account },
                ...(incident.details?.length ? [{ name: 'Details', value: incident.details.join('\n') }] : []),
                ...(incident.next?.length ? [{ name: 'Next steps', value: incident.next.join('\n') }] : []),
                ...(incident.docsUrl ? [{ name: 'Docs', value: incident.docsUrl }] : [])
            ]
            await ConclusionWebhook(
                this.bot.config,
                `🔐 ${incident.kind}`,
                Array.isArray(incident.details) ? incident.details.join('\n') : (incident.details || 'Security check detected unusual activity'),
                fields,
                severity === 'critical' ? DISCORD.COLOR_RED : DISCORD.COLOR_ORANGE
            )
        } catch { /* Non-critical: Webhook notification failures don't block login flow */ }
    }

    public getDocsUrl(anchor?: string) {
        const base = process.env.DOCS_BASE?.trim() || 'https://github.com/LightZirconite/Microsoft-Rewards-Bot/blob/main/docs/security.md'
        const map: Record<string, string> = {
            'recovery-email-mismatch': '#recovery-email-mismatch',
            'we-cant-sign-you-in': '#we-cant-sign-you-in-blocked'
        }
        return anchor && map[anchor] ? `${base}${map[anchor]}` : base
    }

    public startCompromisedInterval() {
        this.cleanupCompromisedInterval()
        this.compromisedInterval = setInterval(() => {
            try {
                this.bot.log(this.bot.isMobile, 'SECURITY', 'Security standby active. Manual review required before proceeding.', 'warn')
            } catch {
                // Intentionally silent
            }
        }, 300000) // 5 minutes
    }

    public cleanupCompromisedInterval() {
        if (this.compromisedInterval) {
            clearInterval(this.compromisedInterval)
            this.compromisedInterval = undefined
        }
    }

    public async openDocsTab(page: Page, url: string) {
        try {
            const ctx = page.context()
            const tab = await ctx.newPage()
            await tab.goto(url, { waitUntil: 'domcontentloaded' })
        } catch { /* Non-critical */ }
    }
}