#!/usr/bin/env node
var dogapi = require("../");
var minimist = require("minimist");
var rc = require("rc");

var config = rc("dogapi", {
    api_key: null,
    app_key: null
});
dogapi.initialize(config);

var usage = [
    "Usage:",
    "  dogapi --help",
    "  dogapi <command> --help",
    "  dogapi --version",
    "  dogapi now",
    "  dogapi then <seconds-ago>"
];
var help = [];
for(var key in dogapi){
    if(!dogapi.hasOwnProperty(key)){
        continue;
    } else if(!dogapi[key].hasOwnProperty("getUsage") || typeof dogapi[key].getUsage !== "function"){
        continue;
    } else if(!dogapi[key].hasOwnProperty("handleCli") || typeof dogapi[key].handleCli !== "function"){
        continue;
    }
    usage = usage.concat(dogapi[key].getUsage());

    if(dogapi[key].hasOwnProperty("getHelp") && typeof dogapi[key].getHelp === "function"){
        help = help.concat([""], dogapi[key].getHelp());
    }
}

usage = usage.concat(help);
usage = usage.join("\r\n");
var args = minimist(process.argv);

var command = args._[2];
var subcommand = args._[3];

// this is the one unusual case
if(command === "servicecheck"){
    command = "serviceCheck";
}

if(command === "now"){
    console.log(dogapi.now());
} else if(command === "then" && args._.length > 3){
    console.log(dogapi.now() - parseInt(args._[args._.length - 1]));
} else if(dogapi.hasOwnProperty(command)){
    if(subcommand){
        dogapi[command].handleCli(subcommand, args, function(err, res){
            if(err){
                console.error(err);
                process.exit(1);
            } else {
                if(res === ""){
                    res = "success";
                }
                console.log(res);
            }
        });
    } else {
        var commandUsage = ["Usage:"].concat(dogapi[command].getUsage());
        if(dogapi[command].hasOwnProperty("getHelp") && typeof dogapi[command].getHelp === "function"){
            commandUsage = commandUsage.concat(["\r\n"], dogapi[command].getHelp());
        }
        console.log(commandUsage.join("\r\n").replace(/\$\{command\}/g, "  dogapi"));
    }
} else if(args.version){
    console.log(require("../package.json").version);
} else {
    console.log(usage);
}