emmylua_ls 0.18.0

use emmylua_code_analysis::update_code_style;
use std::path::PathBuf;
use walkdir::{DirEntry, WalkDir};

use crate::context::{WorkspaceFolder, WorkspaceImport};

const VCS_DIRS: [&str; 3] = [".git", ".hg", ".svn"];

pub fn load_editorconfig(workspace_folders: Vec<WorkspaceFolder>) -> Option<()> {
    let mut editorconfig_files = Vec::new();

    for workspace in workspace_folders {
        match &workspace.import {
            WorkspaceImport::All => collect_editorconfigs(&workspace.root, &mut editorconfig_files),
            WorkspaceImport::SubPaths(subs) => {
                for sub in subs {
                    collect_editorconfigs(&workspace.root.join(sub), &mut editorconfig_files);
                }
            }
        }
    }

    if editorconfig_files.is_empty() {
        return None;
    }

    log::info!("found editorconfig files: {:?}", editorconfig_files);
    for file in editorconfig_files {
        let parent_dir = file
            .parent()
            .unwrap()
            .to_path_buf()
            .to_string_lossy()
            .to_string()
            .replace("\\", "/");
        let file_normalized = file.to_string_lossy().to_string().replace("\\", "/");
        update_code_style(&parent_dir, &file_normalized);
    }
    log::info!("loaded editorconfig complete");

    Some(())
}

fn collect_editorconfigs(root: &PathBuf, results: &mut Vec<PathBuf>) {
    let walker = WalkDir::new(root)
        .into_iter()
        .filter_entry(|e| !is_vcs_dir(e, &VCS_DIRS))
        .filter_map(|e| e.ok())
        .filter(|e| e.file_type().is_file());
    for entry in walker {
        let path = entry.path();
        if path.ends_with(".editorconfig") {
            results.push(path.to_path_buf());
        }
    }
}

/// 判断目录/文件是否应被包含在遍历中（不被过滤）
fn is_vcs_dir(entry: &DirEntry, vcs_dirs: &[&str]) -> bool {
    if entry.file_type().is_dir() {
        let name = entry.file_name().to_string_lossy();
        // 如果是 VCS 目录，则不包含（返回 false）
        vcs_dirs.iter().any(|&vcs| vcs == name)
    } else {
        // 如果是文件，则包含（返回 true）
        false
    }
}