app/phpmon/Domain/Provision/ZshRunCommand.swift

//
//  Provision+zshrc.swift
//  PHP Monitor
//
//  Created by Nico Verbruggen on 01/08/2025.
//  Copyright © 2025 Nico Verbruggen. All rights reserved.
//

class ZshRunCommand {

    // MARK: - Container

    var container: Container

    init(_ container: Container) {
        self.container = container
    }

    // MARK: - Methods

    /**
     Adds a given line to .zshrc, which may be needed to adjust the PATH.
     */
    @discardableResult
    private func add(_ text: String) async -> Bool {
        // Escape single quotes to prevent shell injection
        let escaped = text.replacingOccurrences(of: "'", with: "'\\''")

        // Actually add the line to .zshrc
        let outcome = await container.shell.pipe("""
            touch ~/.zshrc && \
            grep -qxF '\(escaped)' ~/.zshrc \
            || echo '\n\n\(escaped)\n' >> ~/.zshrc
        """)

        // Validate the command executed correctly
        if outcome.hasError {
            return false
        }

        return true
    }

    /**
     Adds Homebrew binaries to the PATH.
     */
    public func addHomebrewPath() async {
        await add("export PATH=$HOME/bin:/opt/homebrew/bin:$PATH")
    }

    /**
     Adds PHP Monitor binaries to the PATH.
     */
    public func addPhpMonitorPath() async {
        await add("export PATH=$HOME/bin:~/.config/phpmon/bin:$PATH")
    }
}