const std = @import("std");
const args = @import("args.zig");
const Action = @import("action.zig").Action;
const Arena = std.heap.ArenaAllocator;
const Allocator = std.mem.Allocator;
const configpkg = @import("../config.zig");
const Config = configpkg.Config;

pub const Options = struct {
    /// If `true`, print out the default keybinds instead of the ones configured
    /// in the config file.
    default: bool = false,

    /// If `true`, print out documenation about the action associated with the
    /// keybinds.
    docs: bool = false,

    pub fn deinit(self: Options) void {
        _ = self;
    }

    /// Enables `-h` and `--help` to work.
    pub fn help(self: Options) !void {
        _ = self;
        return Action.help_error;
    }
};

/// The `list-keybinds` command is used to list all the available keybinds for
/// Ghostty.
///
/// When executed without any arguments this will list the current keybinds
/// loaded by the config file. If no config file is found or there aren't any
/// changes to the keybinds it will print out the default ones configured for
/// Ghostty
///
/// The `--default` argument will print out all the default keybinds configured
/// for Ghostty
pub fn run(alloc: Allocator) !u8 {
    var opts: Options = .{};
    defer opts.deinit();

    {
        var iter = try std.process.argsWithAllocator(alloc);
        defer iter.deinit();
        try args.parse(Options, alloc, &opts, &iter);
    }

    var config = if (opts.default) try Config.default(alloc) else try Config.load(alloc);
    defer config.deinit();

    const stdout = std.io.getStdOut().writer();
    try config.keybind.formatEntryDocs(opts.docs, configpkg.entryFormatter("keybind", stdout));

    return 0;
}