file-organizer/src/classify.zig

const std = @import("std");

pub const Category = enum {
    image,
    document,
    music,
    video,
    archive,
    code,
    other,
};

const CategoryEntry = struct {
    category: Category,
    extensions: []const []const u8,
};

const CategoryMap = [_]CategoryEntry{
    .{ .category = .image, .extensions = &ImageTypes },
    .{ .category = .document, .extensions = &DocumentTypes },
    .{ .category = .music, .extensions = &MusicTypes },
    .{ .category = .video, .extensions = &VideoTypes },
    .{ .category = .archive, .extensions = &ArchiveTypes },
};

const ImageTypes = [_][]const u8{
    ".arw", ".avif", ".bmp", ".cr2", ".cr3", ".dng", ".gif",
    ".heic", ".heif", ".ico", ".jpeg", ".jpg", ".nef", ".nrw",
    ".orf", ".pef", ".png", ".raf", ".raw", ".rw2", ".srw",
    ".svg", ".tiff", ".tif", ".webp",
};
const DocumentTypes = [_][]const u8{
    ".csv", ".doc", ".docx", ".epub", ".md", ".odt",
    ".pdf", ".ppt", ".pptx", ".rtf", ".txt", ".xls", ".xlsx",
};
const MusicTypes = [_][]const u8{
    ".aac", ".aiff", ".aif", ".alac", ".ape", ".flac",
    ".m4a", ".mid", ".midi", ".mp3", ".ogg", ".opus",
    ".wav", ".wma", ".wv",
};
const VideoTypes = [_][]const u8{
    ".3gp", ".avi", ".flv", ".m2ts", ".m4v", ".mkv",
    ".mov", ".mp4", ".mts", ".ogv", ".ts", ".vob",
    ".webm", ".wmv",
};

const ArchiveTypes = [_][]const u8{
    ".zip", ".rar", ".iso", ".tar", ".gz", ".7z", ".apk", ".cab", ".dar", ".dmg", ".jar", ".pea", ".tar.gz", ".tgz", ".tar.Z", ".tar.bz2", ".tbz2", ".tar.lz", ".tlz", ".tar.xz", ".txz", ".tar.zst",".war", ".zipx", 
};

pub fn classify(name: []const u8) Category {
    const extension = std.fs.path.extension(name);

    for (CategoryMap) |entry| {
        for (entry.extensions) |ext| {
            const eicDocument = std.ascii.eqlIgnoreCase(extension, ext);
            if (eicDocument) {
                return entry.category;
            }
        }
    }

    return .other;
}