TravBot-v3/src/commands/help.ts

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import Command from "../core/command";
import {CommonLibrary} from "../core/lib";
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import {loadCommands, categories} from "../core/command";
const types = ["user", "number", "any"];
export default new Command({
description: "Lists all commands. If a command is specified, their arguments are listed as well.",
usage: "([command, [subcommand/type], ...])",
async run($: CommonLibrary): Promise<any>
{
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const commands = await loadCommands();
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let output = `Legend: \`<type>\`, \`[list/of/subcommands]\`, \`(optional)\`, \`(<optional type>)\`, \`([optional/list/...])\``;
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for(const [category, headers] of categories)
{
output += `\n\n===[ ${category} ]===`;
for(const header of headers)
{
if(header !== "test")
{
const command = commands.get(header);
if(!command)
return $.warn(`Command "${header}" of category "${category}" unexpectedly doesn't exist!`);
output += `\n- \`${header}\`: ${command.description}`;
}
}
}
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$.channel.send(output, {split: true});
},
any: new Command({
async run($: CommonLibrary): Promise<any>
{
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const commands = await loadCommands();
let header = $.args.shift();
let command = commands.get(header);
if(!command || header === "test")
$.channel.send(`No command found by the name \`${header}\`!`);
else
{
let usage = command.usage;
for(const param of $.args)
{
header += ` ${param}`;
if(/<\w+>/g.test(param))
{
const type = param.match(/\w+/g)[0];
command = command[type];
if(types.includes(type) && command?.usage)
usage = command.usage;
else
{
command = undefined;
break;
}
}
else if(command?.subcommands?.[param])
{
command = command.subcommands[param];
if(command.usage !== "")
usage = command.usage;
}
else
{
command = undefined;
break;
}
}
if(!command)
return $.channel.send(`No command found by the name \`${header}\`!`);
let append = "";
if(usage === "")
{
const list: string[] = [];
for(const subtag in command.subcommands)
{
const subcmd = command.subcommands[subtag];
const customUsage = subcmd.usage ? ` ${subcmd.usage}` : "";
list.push(`- \`${header} ${subtag}${customUsage}\` - ${subcmd.description}`);
}
for(const type of types)
{
if(command[type])
{
const cmd = command[type];
const customUsage = cmd.usage ? ` ${cmd.usage}` : "";
list.push(`- \`${header} <${type}>${customUsage}\` - ${cmd.description}`);
}
}
append = "Usages:" + (list.length > 0 ? `\n${list.join('\n')}` : " None.");
}
else
append = `Usage: \`${header} ${usage}\``;
$.channel.send(`Command: \`${header}\`\nDescription: ${command.description}\n${append}`, {split: true});
}
}
})
});