install-zsh.sh

#!/bin/bash

#######
# OLD #
#######

R="$(printf '\033[1;31m')"
G="$(printf '\033[1;32m')"
Y="$(printf '\033[1;33m')"
W="$(printf '\033[0m')"
C="$(printf '\033[1;36m')"

check_prefix() {
    case "$PREFIX" in
    *com.termux*)
        while true; do
            read -p "${R}[${W}-${R}]${G}Input username [Lowercase]: ${W}" user_name
            echo
            read -p "${R}[${W}-${R}]${Y}Do you want to continue with username ${C}$user_name ${Y}? (y/n) : "${W} choice
            choice="${choice:-y}"
            echo "${R}[${W}-${R}]${G}Continuing with answer: $choice"${W}
            sleep 0.3
            case $choice in
            [yY]*)
                echo "${R}[${W}-${R}]${G}Continuing with username ${C}$user_name"${W}
                break
                ;;
            [nN]*)
                echo "${G}Please provide username and password again."${W}
                echo
                ;;
            *)
                echo "${R}Invalid input. Please enter 'y' or 'n'.${W}"
                ;;
            esac
        done
        ;;
    *)
        user_name=$(whoami)
        ;;
    esac
}

check_file() {
    # Check if a file named "install.sh" exists in the current directory
    if [ -e "install.sh" ]; then
        echo -e "${R}A file named install.sh already exists in the current directory.${W}"

        # Rename the existing file by adding a timestamp suffix
        renamed_file="install_$(date +"%Y%m%d%H%M%S").sh"
        mv "install.sh" "$renamed_file"
        sleep 1.2
        echo -e "${G}The existing file has been renamed to ${C}$renamed_file${W}."
    else
        echo -e "${Y}No file named install.sh found in the current directory.${W}"
    fi
}

zsh_setup() {
    clear
    echo "${Y}please wait ......"${W}
    sleep 1.3
    cd ~
    check_file
    sleep 1.5
    wget https://raw.github.com/robbyrussell/oh-my-zsh/master/tools/install.sh
    sed -i -e 's/exec zsh -l/#exec zsh -l/g' install.sh
    sed -i '/printf .*Do you want to change your default shell to zsh/,/read -r opt/c\opt="y"' "install.sh"
    bash install.sh
    rm install.sh
    git clone https://github.com/zsh-users/zsh-autosuggestions ~/.oh-my-zsh/custom/plugins/zsh-autosuggestions
    git clone https://github.com/zsh-users/zsh-syntax-highlighting.git ~/.oh-my-zsh/custom/plugins/zsh-syntax-highlighting
    sed -i -e 's/ZSH_THEME="robbyrussell"/ZSH_THEME="kalistyle"/g' ~/.zshrc
    sed -i -e 's/plugins=(git)/plugins=(git zsh-autosuggestions zsh-syntax-highlighting)/g' ~/.zshrc
    echo "setopt nonomatch" >>~/.zshrc
}

setup_theme() {
    cat <<EOF >~/.oh-my-zsh/themes/kalistyle.zsh-theme
	local return_code="%(?..%{\$fg[red]%}%? ↵%{\$reset_color%})"
local user="$user_name@localhost"  # Replace with your desired name

local user_host="%B%F{green}┌──(%F{reset}\$user%F{green})-%F{green}[%F{reset}%B%{\$fg[blue]%}%~%b%F{blue}%B%F{green}]%F{reset}"

local user_symbol='%B%F{green}%(!.#.└─≽)%F{reset}'

local current_dir="%B%{\$fg[blue]%}%~ %{\$reset_color%}"

local vcs_branch='\$(git_prompt_info)\$(hg_prompt_info)'
local rvm_ruby='\$(ruby_prompt_info)'
local venv_prompt='\$(virtualenv_prompt_info)'

ZSH_THEME_RVM_PROMPT_OPTIONS="i v g"

PROMPT="\${user_host}\${rvm_ruby}\${vcs_branch}\${venv_prompt}
%{\$fg[yellow]%}\${user_symbol}%{\$reset_color%} "
RPROMPT="%B\${return_code}%b"

ZSH_THEME_GIT_PROMPT_PREFIX="%{\$fg[yellow]%}‹"
ZSH_THEME_GIT_PROMPT_SUFFIX="› %{\$reset_color%}"
ZSH_THEME_GIT_PROMPT_DIRTY="%{\$fg[green]%}●%{\$fg[yellow]%}"
ZSH_THEME_GIT_PROMPT_CLEAN="%{\$fg[yellow]%}"

ZSH_THEME_HG_PROMPT_PREFIX="\$ZSH_THEME_GIT_PROMPT_PREFIX"
ZSH_THEME_HG_PROMPT_SUFFIX="\$ZSH_THEME_GIT_PROMPT_SUFFIX"
ZSH_THEME_HG_PROMPT_DIRTY="\$ZSH_THEME_GIT_PROMPT_DIRTY"
ZSH_THEME_HG_PROMPT_CLEAN="\$ZSH_THEME_GIT_PROMPT_CLEAN"

ZSH_THEME_RUBY_PROMPT_PREFIX="%{\$fg[red]%}‹"
ZSH_THEME_RUBY_PROMPT_SUFFIX="› %{\$reset_color%}"

ZSH_THEME_VIRTUAL_ENV_PROMPT_PREFIX="%{\$fg[lightblue]%}‹"
ZSH_THEME_VIRTUAL_ENV_PROMPT_SUFFIX="› %{\$reset_color%}"
ZSH_THEME_VIRTUALENV_PREFIX="\$ZSH_THEME_VIRTUAL_ENV_PROMPT_PREFIX"
ZSH_THEME_VIRTUALENV_SUFFIX="\$ZSH_THEME_VIRTUAL_ENV_PROMPT_SUFFIX"
EOF
}

print_success() {
    clear
    rm install-zsh.sh
    echo -e "${G}ZSH SETUP SUCCESSFUL${W} ${C}Now Restart the Terminal${W}"
    echo -e "${C}Or Log Out And Log Back In Again${W}"
}

check_paramitter() {
    if [[ "$1" == "-u" ]]; then
        user_name="$2"
        if [[ "$HOME" == *termux* && -z "$user_name" ]]; then
            read -p "${G}Please enter your user name: ${W}" user_name
        fi
        return
    fi

    check_prefix
}

check_paramitter "$@"
zsh_setup
setup_theme
print_success