# Allow programs to write their own autocomplete functions to ~/.zfunc
mkdir -p ~/.zfunc
fpath+=~/.zfunc

# Make all shells append to history file instantly
setopt INC_APPEND_HISTORY

# If we have rustup, it can be used to generate completeions for itself and cargo
if type -p rustup >/dev/null; then
    # Only generate if the files don't already exist
    if [[ ! -f ~/.zfunc/_rustup ]]; then
        rustup completions zsh > ~/.zfunc/_rustup
    fi
    if [[ ! -f ~/.zfunc/_cargo ]]; then
        rustup completions zsh cargo > ~/.zfunc/_cargo
    fi
fi

# Enable auto-complete
autoload -Uz compinit && compinit

# Handles case-insensitive completion
zstyle ':completion:*' matcher-list 'm:{a-z}={A-Za-z}'

# Configure command history
HISTFILE=~/.histfile
HISTSIZE=100000
SAVEHIST=100000

# Ignore duplicates in history search, and dont't write them either
setopt HIST_FIND_NO_DUPS
setopt HIST_IGNORE_ALL_DUPS

# Ignore commands starting with a space
setopt HIST_IGNORE_SPACE

# Allow up arrow to be used to go back in history based on current line contents
autoload -U up-line-or-beginning-search
autoload -U down-line-or-beginning-search
zle -N up-line-or-beginning-search
zle -N down-line-or-beginning-search
bindkey "^[[A" up-line-or-beginning-search # Up
bindkey "^[[B" down-line-or-beginning-search # Down
bindkey "^[OA" up-line-or-beginning-search # Up over SSH connection
bindkey "^[OB" down-line-or-beginning-search # Down over SSH connection