# ~/.bashrc

# 1. Non-interactive shell check
[[ $- != *i* ]] && return

# 2. Path Helper (Prevents the "Mega-String" path pollution)
# This function only adds a directory if it isn't already there.
path_add() {
    if [ -d "$1" ] && [[ ":$PATH:" != *":$1:"* ]]; then
        export PATH="$1:$PATH"
    fi
}

# Reset to a sane baseline then add your custom paths safely
export PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
path_add "$HOME/.local/bin"
path_add "/usr/local/sbin"
path_add "$HOME/bin"

path_add "$HOME/go/bin"
path_add "/snap/go/current/bin"

export SDKMAN_DIR="$HOME/.sdkman"
[[ -s "$SDKMAN_DIR/bin/sdkman-init.sh" ]] && source "$SDKMAN_DIR/bin/sdkman-init.sh"

# 3. History Settings (Security Audit Optimized)
HISTCONTROL=ignoredups:ignorespace
shopt -s histappend
HISTSIZE=10000
HISTFILESIZE=20000
export HISTTIMEFORMAT="%F %T " # Essential for incident response/forensics
PROMPT_COMMAND="history -a" # Save immediately after every command

# 4. Prompt & Shell Behavior
shopt -s checkwinsize
if [ -x /usr/bin/tput ] && tput setaf 1 >&/dev/null; then
    PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
else
    PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w\$ '
fi

# 5. Completions
if [ -f /etc/bash_completion ]; then
    . /etc/bash_completion
fi
complete -cf sudo

# 6. Load Aliases
if [ -f ~/.bash_aliases ]; then
    . ~/.bash_aliases
fi

# 7. NVM Setup (Loaded after Path to avoid conflicts)
export NVM_DIR="$HOME/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
[ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion"

# 8. Login Dashboard
echo -e "\n\e[1;32m--- Welcome Jared (Zappy) ---\e[0m"
echo "External IP: $(curl -4 -s --max-time 2 https://ifconfig.me || echo 'Offline')"
echo "Space left: $(df -h / | awk 'NR==2 {print $4}')"
echo -e "\n\e[1;34mQuick Commands:\e[0m"

# Filter: Remove internal bash functions (_) and NVM internals
(
  alias | cut -d'=' -f1 | cut -d' ' -f2;
  declare -F | cut -d' ' -f3 | grep -vE '^(_|nvm|path_add|start_ssh_agent|__)'
) | sort | xargs echo
echo ""

# --- Auto-activate Python .venv on cd ---
# Activates ./\.venv when present; deactivates when leaving that project tree.
# Safe for interactive shells only (your .bashrc already returns early for non-interactive).

_venv_auto_activate() {
    local venv_path="$PWD/.venv"

    # If we are already in a venv, but we've left its project directory, deactivate it.
    if [[ -n "${VIRTUAL_ENV:-}" ]]; then
        # If current dir is NOT under the venv's parent dir, deactivate.
        local venv_parent
        venv_parent="$(dirname "$VIRTUAL_ENV")"   # .../.venv
        venv_parent="$(dirname "$venv_parent")"   # project root
        case "$PWD/" in
            "$venv_parent"/*) ;;  # still inside the project
            *)
                deactivate 2>/dev/null || true
            ;;
        esac
    fi

    # If no venv active (or we just deactivated), and this directory has a .venv, activate it.
    if [[ -z "${VIRTUAL_ENV:-}" && -f "$venv_path/bin/activate" ]]; then
        # shellcheck disable=SC1090
        source "$venv_path/bin/activate"
    fi
}

# Wrap cd so it triggers venv auto-activation.
cd() {
    builtin cd "$@" || return
    _venv_auto_activate
}

# Also run once for the starting directory when the shell launches.
_venv_auto_activate