import { diskUtil } from '@sprucelabs/spruce-skill-utils'
import { DirectoryTemplateCode } from '@sprucelabs/spruce-templates'
import { GeneratedFile } from '../../../types/cli.types'
import AbstractWriter, {
    WriteDirectoryTemplateOptions,
    WriteResults,
} from '../../../writers/AbstractWriter'

export const NODE_FILES_TO_UPGRADE = [
    'tsconfig.json',
    'eslint.config.mjs',
    '.gitignore',
    '.nvmrc',
]
export default class NodeWriter extends AbstractWriter {
    public async writeNodeModule(
        destinationDir: string,
        options?: Partial<WriteDirectoryTemplateOptions> & {
            shouldWriteIndex?: boolean
        }
    ): Promise<WriteResults> {
        let files: GeneratedFile[] = []
        if (options?.shouldWriteIndex !== false) {
            const contents = '//exports go here\n'
            const destination = diskUtil.resolvePath(
                destinationDir,
                'src',
                'index.ts'
            )
            diskUtil.writeFile(destination, contents)
            files.push({
                name: 'src/index.ts',
                description: 'Placeholder entry file!',
                action: 'generated',
                path: destination,
            })
        }

        const directoryTemplateFiles = await this.writeDirectoryTemplate({
            destinationDir,
            code: DirectoryTemplateCode.Skill,
            filesToWrite: NODE_FILES_TO_UPGRADE,
            context: { name: 'ignored', description: 'ignored' },
            ...options,
        })

        return [...files, ...directoryTemplateFiles]
    }

    public async writeAiDevelopmentFiles(destinationDir: string) {
        const claude = await this.writeFileIfChangedMixinResults(
            diskUtil.resolvePath(destinationDir, 'CLAUDE.md'),
            this.templates.claudeMd(),
            'Claude AI assistant configuration'
        )

        const agents = await this.writeFileIfChangedMixinResults(
            diskUtil.resolvePath(destinationDir, 'AGENTS.md'),
            this.templates.agentsMd(),
            'AI agents documentation'
        )

        const project = await this.writeFileIfChangedMixinResults(
            diskUtil.resolvePath(destinationDir, 'docs', 'PROJECT.md'),
            this.templates.projectMd(),
            'Project documentation for AI-assisted development'
        )

        return [...claude, ...agents, ...project]
    }
}