validator.js

const { readFile } = require("./reader")
const { verifyLine } = require("./verifiers")
const { saveReport } = require("./report")
const CONFIG = require("./config")

const args = process.argv.slice(2)
if (args.length === 0) {
    console.error("❌ You must provide a file name.")
    process.exit(1)
}

const fileName = args[0]

async function processFile() {
    const lines = await readFile(fileName)
    if (lines.length === 0) {
        console.error("❌ The file is empty or could not be read.")
        process.exit(1)
    }

    const summary = {
        file: fileName,
        separator: CONFIG.SEPARATOR,
        totalLines: lines.length,
        validLines: 0,
        errorLines: 0,
        warnings: 0,
        criticalErrors: 0,
        uniqueErrors: new Set(),
        errors: [],
    }

    lines.forEach((line, index) => {
        const result = verifyLine(line)
        if (result.errors) {
            summary.errorLines++
            summary.errors.push({ line: index + 1, details: result.errors, severity: result.severity })

            summary.criticalErrors += result.criticalCount
            summary.warnings += result.warningCount

            result.errors.forEach(error => summary.uniqueErrors.add(error))
        } else {
            summary.validLines++
        }
    })

    summary.uniqueErrors = Array.from(summary.uniqueErrors)

    console.log(`📂 Analizing file: ${fileName} (Separator: ${CONFIG.SEPARATOR})`)
    console.log(`Total lines: ${summary.totalLines}`)
    console.log(`Valid lines: ${summary.validLines}`)
    console.log(`Lines with errors: ${summary.errorLines}`)
    console.log(`Warnings detected: ${summary.warnings}`)
    console.log(`Critical errors detected: ${summary.criticalErrors}`)

    if (summary.errors.length > 0) {
        console.log("\nDetected errors:")
        summary.errors.forEach(error =>
            console.log(`- Line ${error.line}: ${error.details.join(", ")} [${error.severity}]`)
        )
    }

    await saveReport(summary)
}

processFile()