import { eventResponseUtil } from '@sprucelabs/spruce-event-utils'
import { SpruceSchemas } from '#spruce/schemas/schemas.types'
import SpruceError from '../../../errors/SpruceError'
import { GlobalEmitter } from '../../../GlobalEmitter'
import AbstractFeature from '../../AbstractFeature'
import { NODE_FILES_TO_UPGRADE } from '../../node/writers/NodeWriter'

type UpgradeOptions = SpruceSchemas.SpruceCli.v2020_07_22.UpgradeSkillOptions

type Feature =
    AbstractFeature<SpruceSchemas.SpruceCli.v2020_07_22.SkillFeatureSchema>

export default class Updater {
    private feature: Feature
    private emitter: GlobalEmitter

    public constructor(skill: Feature, emitter: GlobalEmitter) {
        this.emitter = emitter
        this.feature = skill
    }

    public async updateFiles(normalizedOptions: UpgradeOptions) {
        const skillWriter = this.feature.Writer('skill', {
            upgradeMode: normalizedOptions.upgradeMode,
        })
        const pkgService = this.feature.Service('pkg')
        const name = pkgService.get('name')
        const description = pkgService.get('description')

        const results = await this.emitter.emit(
            'skill.will-write-directory-template'
        )

        const { payloads } = eventResponseUtil.getAllResponsePayloadsAndErrors(
            results,
            SpruceError
        )

        const filesToSkip = [...NODE_FILES_TO_UPGRADE, 'package.json']

        for (const payload of payloads) {
            if (payload.filesToSkip) {
                filesToSkip.push(...payload.filesToSkip)
            }
        }

        const generatedFiles = await skillWriter.writeSkill(this.feature.cwd, {
            name,
            description,
            filesToSkip,
        })

        return generatedFiles
    }
}