#!/usr/bin/env zsh
# Shell history synchronization for dotfiles
# Add this to your .zshrc

# History configuration
export HISTFILE="$HOME/.zsh_history"
export HISTSIZE=100000
export SAVEHIST=100000

# Better history behavior
setopt EXTENDED_HISTORY          # Write timestamp to history
setopt HIST_EXPIRE_DUPS_FIRST    # Expire duplicates first
setopt HIST_IGNORE_DUPS          # Don't record duplicates
setopt HIST_IGNORE_SPACE         # Don't record commands starting with space
setopt HIST_VERIFY               # Show command before executing from history
setopt INC_APPEND_HISTORY        # Add commands immediately
setopt SHARE_HISTORY             # Share history between sessions

# Create a backup of history on each new session
if [[ -f "$HISTFILE" ]]; then
    HIST_BACKUP_DIR="$HOME/.history_backups"
    mkdir -p "$HIST_BACKUP_DIR"
    
    # Keep daily backups for the last 7 days
    cp "$HISTFILE" "$HIST_BACKUP_DIR/zsh_history_$(date +%Y%m%d)"
    
    # Clean up old backups (keep last 7 days)
    find "$HIST_BACKUP_DIR" -name "zsh_history_*" -mtime +7 -delete 2>/dev/null
fi

# Function to sync history to dotfiles (call manually)
history_checkpoint() {
    local dotfiles_history="$HOME/dotfiles/shell/zsh_history_checkpoint"
    if [[ -f "$HISTFILE" ]]; then
        # Keep last 10000 commands as checkpoint
        tail -n 10000 "$HISTFILE" > "$dotfiles_history"
        echo "History checkpoint saved to dotfiles"
    fi
}

# Function to search all history including backups
history_search_all() {
    local pattern="$1"
    echo "Searching current history..."
    history | grep -i "$pattern"
    
    echo -e "\nSearching history backups..."
    find "$HOME/.history_backups" -name "zsh_history_*" -exec grep -H -i "$pattern" {} \;
}