import { Compiler, createCompilerWithSourceFilesFromDirectory } from './compiler'
import { App, parsePackageJson } from './app'
import { createConsoleLogger, Logger } from './logger'
import { FileSystem } from './fs'
import { parseNowConfigFromDirectory } from './now-config'

export type ProjectContext = {
    compiler: Compiler
    fs: FileSystem
    logger: Logger

    /**
     * Package-level properties and metadata derived from configuration files
     * and sources.
     */
    app: App
}

export function createProjectContext(
    rootDir: string,
    fs: FileSystem,
    logger: Logger = createConsoleLogger()
): ProjectContext {
    const config = parseNowConfigFromDirectory(rootDir, fs, logger)

    return {
        compiler: createCompilerWithSourceFilesFromDirectory(rootDir, fs, config),
        app: {
            package: parsePackageJson(rootDir, fs),
            config,
            rootDir,
        },
        fs,
        logger,
    }
}