import { SchemaValues, validateSchemaValues } from '@sprucelabs/schema'
import { diskUtil } from '@sprucelabs/spruce-skill-utils'
import { SpruceSchemas } from '#spruce/schemas/schemas.types'
import skillFeatureSchema from '#spruce/schemas/spruceCli/v2020_07_22/skillFeature.schema'
import { FileDescription, NpmPackage } from '../../types/cli.types'
import ScriptUpdaterImpl from '../../updaters/ScriptUpdater'
import AbstractFeature, { FeatureOptions } from '../AbstractFeature'
import { FeatureCode } from '../features.types'
import universalDevDependencies from '../universalDevDependencies'
import universalFileDescriptions from '../universalFileDescriptions'
import universalScripts from '../universalScripts'
import Updater from './updaters/Updater'

export default class SkillFeature<
    S extends SkillFeatureOptionsSchema = SkillFeatureOptionsSchema,
> extends AbstractFeature<S> {
    public nameReadable = 'Skill'
    public code: FeatureCode = 'skill'
    public description = 'The scaffolding needed to run a Skill'
    public readonly installOrderWeight = 100

    public packageDependencies: NpmPackage[] = [
        { name: '@sprucelabs/error' },
        { name: '@sprucelabs/spruce-skill-utils' },
        { name: '@sprucelabs/spruce-skill-booter' },
        { name: '@sprucelabs/spruce-event-utils' },
        { name: '@sprucelabs/spruce-event-plugin' },
        { name: '@sprucelabs/spruce-core-schemas' },
        { name: 'dotenv' },
        { name: '@sprucelabs/globby' },
        {
            name: '@sprucelabs/mercury-types',
        },
        { name: 'tsconfig-paths', isDev: true },
        { name: '@sprucelabs/spruce-test-fixtures@latest', isDev: true },
        { name: 'ts-node', isDev: true },
        ...universalDevDependencies,
    ]

    public optionsSchema = skillFeatureSchema as S
    public actionsDir = diskUtil.resolvePath(__dirname, 'actions')
    private engines = {
        yarn: '1.x',
    }
    public scripts = {
        boot: 'node build/index',
        'boot.local':
            'node -r ts-node/register -r tsconfig-paths/register ./src/index',

        health: 'yarn boot --health',
        'health.local': 'yarn boot.local --health',

        ...universalScripts,
    }

    public readonly fileDescriptions: FileDescription[] = [
        ...universalFileDescriptions,
        {
            path: 'src/index.ts',
            description: 'The file that "boots" the skill.',
            shouldOverwriteWhenChanged: true,
        },
        {
            path: 'errors/SpruceError.ts',
            description: 'Starting error class that you can edit.',
            shouldOverwriteWhenChanged: false,
        },
        {
            path: '.spruce/skill.ts',
            description: 'Used to support booting the skill.',
            shouldOverwriteWhenChanged: true,
        },
        {
            path: '.spruce/errors/options.types.ts',
            description:
                'Holds all possible error codes and options. Will be updated as you create more errors (spruce create.error).',
            shouldOverwriteWhenChanged: true,
        },
        {
            path: 'src/.spruce/features/event.plugin.ts',
            description:
                'Gives your skill event support through local boot events and optionall Mercury (spruce event.listen).',
            shouldOverwriteWhenChanged: true,
        },
    ]

    public constructor(options: FeatureOptions) {
        super(options)

        void this.emitter.on(
            `test.register-abstract-test-classes`,
            this.handleRegisterAbstractTestClasses.bind(this)
        )

        void this.emitter.on(
            'feature.will-execute',
            this.handleWillExecute.bind(this)
        )
    }

    private async handleRegisterAbstractTestClasses() {
        return {
            abstractClasses: [
                {
                    name: 'AbstractSpruceFixtureTest',
                    label: 'AbstractSpruceFixtureTest',
                    import: '@sprucelabs/spruce-test-fixtures',
                    featureCode: 'node',
                },
            ],
        }
    }

    public async beforePackageInstall(options: SkillFeatureOptions) {
        const { files } = await this.install(options)
        return { files, cwd: this.resolveDestination(options) }
    }

    public async afterPackageInstall(options: SkillFeatureOptions) {
        const destination = this.resolveDestination(options)
        await this.Store('skill', {
            cwd: destination,
        }).setCurrentSkillsNamespace(options.name)
        return {}
    }

    private async install(options: SkillFeatureOptions) {
        validateSchemaValues(skillFeatureSchema, options)

        const destination = this.resolveDestination(options)
        if (!diskUtil.doesDirExist(destination)) {
            diskUtil.createDir(destination)
        }

        const skillGenerator = this.Writer('skill')

        const files = await skillGenerator.writeSkill(destination, options)

        await this.installScripts(destination)

        this.setEngines(destination)

        const env = this.Service('env', destination)
        env.set('SKILL_NAME', options.name)

        return { files }
    }

    private resolveDestination(options: SkillFeatureOptions) {
        return diskUtil.resolvePath(this.cwd, options.destination ?? '')
    }

    public async installScripts(destination = this.cwd) {
        const scriptUpdater = ScriptUpdaterImpl.FromFeature(this, {
            cwd: destination,
        })

        await scriptUpdater.update()
    }

    public setEngines(destination: string) {
        const pkg = this.Service('pkg', destination)
        const engines = (pkg.get('engines') as Record<string, string>) || {}

        for (const name in this.engines) {
            const all = this.engines
            engines[name] = this.engines[name as keyof typeof all]
        }

        pkg.set({ path: 'engines', value: engines })
    }

    public async handleWillExecute(options: {
        featureCode: string
        actionCode: string
        options?: UpgradeOptions
    }) {
        const { featureCode, actionCode, options: upgradeOptions } = options
        const isInstalled = await this.features.isInstalled('skill')

        if (isInstalled && featureCode === 'node' && actionCode === 'upgrade') {
            const updater = new Updater(this, this.emitter)
            const files = await updater.updateFiles(upgradeOptions ?? {})
            return {
                files,
            }
        }

        return {}
    }
}

type SkillFeatureOptionsSchema =
    SpruceSchemas.SpruceCli.v2020_07_22.SkillFeatureSchema
type SkillFeatureOptions = SpruceSchemas.SpruceCli.v2020_07_22.SkillFeature

declare module '../../features/features.types' {
    interface FeatureMap {
        skill: SkillFeature
    }

    interface FeatureOptionsMap {
        skill: SchemaValues<SkillFeatureOptionsSchema>
    }
}

type UpgradeOptions = SpruceSchemas.SpruceCli.v2020_07_22.UpgradeSkillOptions