SimenB/stylint

'use strict'

var chalk = require( 'chalk' )


/**
 * @description format output message for console (default)
 * @param  {string} msg  error msg from one of the checks
 * @param  {string} done whether or not this is the last message to output
 * @param  {string} kill whether or not we're over one of our limits
 * @return {string | Function} either the formatted msg or done()
 */
var reporter = function( msg, done, kill ) {
    if ( done === 'done' ) {
        // total errors
        this.cache.msg = 'Stylint: ' + this.cache.errs.length + ' Errors.'
        this.cache.msg += this.config.maxErrors ? ' (Max Errors: ' + this.config.maxErrors + ')' : ''
        // total warnings
        this.cache.msg += '\nStylint: ' + this.cache.warnings.length + ' Warnings.'
        this.cache.msg += this.config.maxWarnings ? ' (Max Warnings: ' + this.config.maxWarnings + ')' : ''

        // if you set a max it kills the linter
        if ( kill === 'kill' ) {
            this.cache.msg += '\nStylint: Over Error or Warning Limit.'
        }
        else if ( this.cache.errs.length === 0 &&
            this.cache.warnings.length === 0 ) {
            this.cache.msg = ''
        }

        return this.done()
    }

    var file = chalk.underline( this.cache.file )
    var col = typeof this.cache.col === 'number' && this.cache.col > 0 ? this.cache.col : null

    var severity = this.state.severity.toLowerCase()
    severity = severity === 'warning' ?
        chalk.yellow( severity ) :
        chalk.red( severity )

    var rule = chalk.grey( this.cache.rule )

    // normal error or warning messages
    var defaultMessage = file + '\n' + this.cache.lineNo + ' ' + rule + ' ' + severity + ' ' + msg

    // if column data available, output slightly different line
    if ( typeof this.cache.col === 'number' && this.cache.col > -1 ) {
        defaultMessage = file + '\n' + this.cache.lineNo + ':' + this.cache.col + ' ' + rule + ' ' + severity + ' ' + msg
    }

    // weird syntax highlighting issue when this is inside a ternary
    var linePlusCol = this.cache.lineNo + ':' + col
    var messageObj = {
        file: file,
        lineData: col ? linePlusCol : this.cache.lineNo,
        severity: severity,
        description: msg,
        rule: rule
    }

    messageObj[file] = true
    this.cache.messages.push( messageObj )

    return defaultMessage
}

module.exports = reporter