#!/usr/bin/env node

/* Initialize transifex resources from src l10n files
needs to run in the project root directory, where .tx folder is located
add parameter 'execute' to run the tx command, otherwise transifex just
shows what would run
TBD: replace this with a node transifex module
*/
/*
Don't use template strings (backticks) until scratch-www is switched over
to ES6. Leaving template string versions as comments.
 */

// Unfortunately need to execute Synchronously, or tx set gets errors when
// updating the .tx/config file
var execSync = require('child_process').execSync;
var fs = require('fs');
var path = require('path');
var routes = require('../src/routes.json');

var cmd = '';
var execute = '';

// make sure .tx folder exists with config file
try {
    //
    fs.accessSync(path.resolve(process.cwd() + '/.tx/config'));
} catch (err) {
    process.stdout.write('Run the script from the directory with .tx folder\n');
    process.exit(1);
}

var args = process.argv.slice(2);
if (args[0] === 'execute') {
    process.stdout.write('executing tx initializtion\n');
    execute = '--execute';
} else {
    process.stdout.write('Dry run: pass "--execute" as a parameter to execute push files to transifex\n');
}

// set up l10n resources for the scratch-website project as
// [scratch-website.<view>_l10njson]
// use 'general' for the root l10n.json

// general is a special case, do that first
// TODO: ES6
// cmd = 'tx set --auto-local --source-lang en --type KEYVALUEJSON -r ' +
//     'scratch-website.general-l10njson \'localizations/general/<lang>.json\' ' +
//     `--source-file src/l10n.json ${execute}`;
cmd = 'tx set --auto-local --source-lang en --type KEYVALUEJSON -r ' +
    'scratch-website.general-l10njson \'localizations/general/<lang>.json\' ' +
    '--source-file src/l10n.json ' + execute;
process.stdout.write('Adding general l10n\n');
execSync(cmd, {stdio:[0,1,2]});

for (var v in routes) {
    if (typeof routes[v].redirect !== 'undefined') {
        continue;
    }
    var subdir = routes[v].view.split('/');
    subdir.pop();
    var l10n = 'src/views/' + subdir.join('/') + '/l10n.json';
    var name = routes[v].name;
    try {
        // only Initialize if there is an l10n file
        fs.accessSync(l10n);
        // TODO: ES6
        // var tx_resource = `scratch-website.${name}-l10njson`;
        // cmd = `tx set --auto-local --source-lang en --type KEYVALUEJSON -r ${tx_resource}` +
        // ` \'localizations/${name}/<lang>.json\' --source-file ${l10n} ${execute}`;
        // process.stdout.write(`Adding ${name} l10n\n`);
        var tx_resource = 'scratch-website.' + name +'-l10njson';
        cmd = 'tx set --auto-local --source-lang en --type KEYVALUEJSON -r ' + tx_resource +
            ' \'localizations/' + name + '/<lang>.json\' --source-file '+ l10n + ' ' + execute;
        process.stdout.write('Adding ' + name + ' l10n\n');
        execSync(cmd, {stdio:'inherit'});
    } catch (err) {
        // skip views without l10n files
        // TODO: ES6
        // process.stdout.write(`Skipping ${name}, no l10n\n`);
        process.stdout.write('Skipping ' + name+ ', no l10n\n');
    }
}

if (execute === '--execute') {
    // push all the source files to transifex - force update
    execSync('tx push -s -f --no-interactive', {stdio:'inherit'});
}