#[cfg(windows)]
use std::path::Prefix;
use std::path::{Component, Path, PathBuf};

/// Normalizes file paths by handling path components, prefixes, and resolving relative paths
/// Based on: https://github.com/rust-lang/cargo/blob/rust-1.67.0/crates/cargo-util/src/paths.rs#L82-L107
pub fn normalize_path(path: &Path) -> PathBuf {
    let mut components = path.components().peekable();
    let mut ret = if let Some(c @ Component::Prefix(_prefix_component)) = components.peek().cloned()
    {
        #[cfg(windows)]
        // Remove only the Verbatim prefix, but keep the drive letter (e.g., C:\)
        match _prefix_component.kind() {
            Prefix::VerbatimDisk(disk) => {
                components.next(); // skip this prefix
                                   // Re-add the disk prefix (e.g., C:)
                let mut pb = PathBuf::new();
                pb.push(format!("{}:", disk as char));
                pb
            }
            Prefix::Verbatim(_) | Prefix::VerbatimUNC(_, _) => {
                components.next(); // skip this prefix
                PathBuf::new()
            }
            _ => {
                components.next();
                PathBuf::from(c.as_os_str())
            }
        }
        #[cfg(not(windows))]
        {
            components.next(); // skip this prefix
            PathBuf::from(c.as_os_str())
        }
    } else {
        PathBuf::new()
    };

    for component in components {
        match component {
            Component::Prefix(..) => unreachable!(),
            Component::RootDir => {
                ret.push(component.as_os_str());
            }
            Component::CurDir => {}
            Component::ParentDir => {
                ret.pop();
            }
            Component::Normal(c) => {
                ret.push(c);
            }
        }
    }
    ret
}

/// Removes file:/ and file:\ prefixes from file paths
pub fn normalize_file_path(path: &str) -> String {
    path.replace("file:/", "").replace("file:\\", "")
}

/// Removes prefix from path string with proper formatting
pub fn remove_prefix(path: &str, prefix: &str) -> String {
    if !prefix.is_empty() && path.starts_with(prefix) {
        let result = path[prefix.len()..].to_string();
        if result.is_empty() {
            "/".to_string()
        } else if result.starts_with('/') {
            result
        } else {
            format!("/{}", result)
        }
    } else {
        path.to_string()
    }
}