const printf = require('printf')
const isStringInt = require('is-string-int');

module.exports = function (bot, api) {
    bot.currentWBW = "";
    api.registerCommand('wbw', async (args, message) => {
        if (args.length == 1) {
            return api.respond(message, bot.currentWBW ? printf(api.strings.CURRENT_STORY, bot.currentWBW) : printf(api.strings.NO_STORY));
        }
        if (args.length > 2) {
            return api.respond(message, printf(api.strings.TOO_MANY_ARGUMENTS));
        } else {
            if (isStringInt(args[1])) {
                let story = await api.db.get('select * from WBWStories where story_id=?', parseInt(args[1]))
                if(!story) {
                    return api.respond(message, api.strings.WBW_INVALID_ID)
                } else {
                    return api.respond(message, story.story_text)
                }
            } else {
                let lastUser = await api.db.get('select value from BotState where key="last_wbw"');
                if (message.author.id == lastUser.value) {
                    return api.respond(message, printf(api.strings.WBW_LAST_USER))
                } else {
                    bot.currentWBW += args[1] + ' ';
                    api.respond(message, printf(api.strings.WBW_NEW_WORD))
                    api.speak(message.member.voice.channel, bot.currentWBW)
                    await api.db.run('update BotState set value=? where key="last_wbw"', message.author.id);
                }
            }
        }
    })
    api.registerCommand('newwbw', async (args, message) => {
        await api.db.run('insert into WBWStories (story_text) values(?)', bot.currentWBW);
        bot.currentWBW = '';
        api.respond(message, printf(api.strings.WBW_RESET))
    })
}