# File: ~/.zshrc
# Description: zsh configuration file

source ~/.guix-home/profile/bin/z.sh
precmd () {
    z --add "$(pwd -P)"
}

# Use zsh-autosuggestions (requires pacman package)
source ~/.guix-home/profile/share/zsh/plugins/zsh-autosuggestions/zsh-autosuggestions.zsh

# TODO: temporary
fpath=( ~/.guix-home/profile/share/zsh/site-functions "${fpath[@]}" )

# The following lines were added by compinstall
zstyle ':completion:*' completer _list _expand _complete _ignored _match _correct _approximate _prefix
zstyle ':completion:*' list-colors ${(s.:.)LS_COLORS}
zstyle ':completion:*' matcher-list '' 'm:{[:lower:][:upper:]}={[:upper:][:lower:]}' 'r:|[._-/,+]=** r:|=**' 'l:|=* r:|=*'
zstyle ':completion:*' max-errors 5
zstyle ':completion:*' preserve-prefix '//[^/]##/'
zstyle :compinstall filename "${HOME}/.config/zsh/.zshrc"

autoload -Uz compinit
compinit

autoload -U promptinit; promptinit
prompt spaceship
# End of lines added by compinstall

# Lines for zsh setup

HISTFILE="$HOME/.zsh_history"
HISTSIZE=10000000
SAVEHIST=10000000
setopt AUTO_CD                   # Change directories without cd
setopt BANG_HIST                 # Treat the '!' character specially during expansion.
setopt EXTENDED_HISTORY          # Write the history file in the ":start:elapsed;command" format.
setopt INC_APPEND_HISTORY        # Write to the history file immediately, not when the shell exits.
setopt SHARE_HISTORY             # Share history between all sessions.
setopt HIST_EXPIRE_DUPS_FIRST    # Expire duplicate entries first when trimming history.
setopt HIST_IGNORE_DUPS          # Don't record an entry that was just recorded again.
setopt HIST_IGNORE_ALL_DUPS      # Delete old recorded entry if new entry is a duplicate.
setopt HIST_FIND_NO_DUPS         # Do not display a line previously found.
setopt HIST_IGNORE_SPACE         # Don't record an entry starting with a space.
setopt HIST_SAVE_NO_DUPS         # Don't write duplicate entries in the history file.
setopt HIST_REDUCE_BLANKS        # Remove superfluous blanks before recording entry.
setopt HIST_VERIFY               # Don't execute immediately upon history expansion.
setopt HIST_BEEP                 # Beep when accessing nonexistent history.

setopt COMPLETE_ALIASES          # Complete command line switches for aliases
# End of zsh history setup

# Use emacs keybindings
bindkey -e

# Lines to add fzf fuzzy completion widgets supplied by fzf package
source ~/.guix-home/profile/share/fzf/key-bindings.zsh
source ~/.guix-home/profile/share/fzf/completion.zsh

# Rebind C-t for fzf-file-widget to ESC-t
bindkey -r '^T'
bindkey '\et' fzf-file-widget
# Rebind C-r for ffz-history-widget to ESC-r
bindkey -r '^R'
bindkey '\er' fzf-history-widget

export FZF_DEFAULT_OPTS='--no-height --no-reverse'
export FZF_ALT_C_COMMAND="find -L . -mindepth 1 \\( -fstype 'sysfs' -o -fstype 'devfs' -o -fstype 'devtmpfs' -o -fstype 'proc' \\) -prune -o -type d -print 2> /dev/null | cut -b3-"
#export FZF_CTRL_T_COMMAND="find -L . -mindepth 1 \\( -fstype 'sysfs' -o -fstype 'devfs' -o -fstype 'devtmpfs' -o -fstype 'proc' \\) -prune -o -type f -print -o -type d -print -o -type l -print 2> /dev/null | cut -b3-"
export FZF_CTRL_T_COMMAND="ag --hidden --ignore .git -g '' 2> /dev/null"
export FZF_CTRL_T_OPTS="--preview '(highlight -O ansi -l {} 2> /dev/null || cat {} || tree -C {}) 2> /dev/null'"
export FZF_CTRL_R_OPTS="--preview 'echo {}' --preview-window down:3:hidden --bind '?:toggle-preview'"
# End of zsh fzf widget setup

# Check for a tramp session and set a compatible PS1
# See: https://www.emacswiki.org/emacs/TrampMode
[[ $TERM == "tramp" ]] && unsetopt zle && PS1='$ ' && return

# Check for an interactive session
[ -z "$PS1" ] && return

# Preferably, setup of man/info would be automatically be handled by 'guix shell' itself,
# however this is not the case, as the profile hook for man/info pages will not be triggered
# unless man or info respectively is also explicitly included in the profile.
if [ ! -z "$GUIX_ENVIRONMENT" ]; then
    # When using guix shell (formally environment) command, automatically add the temporary
    # environments man page directory to MANPATH, if it exists.
    if [ -d "$GUIX_ENVIRONMENT/share/man" ]; then
        export MANPATH="$GUIX_ENVIRONMENT/share/man:$MANPATH"
    fi

    # Similarly to man, automatically add the temporary environments info page directory to
    # INFOPATH, if it exists.
    if [ -d "$GUIX_ENVIRONMENT/share/info" ]; then
        export INFOPATH="$GUIX_ENVIRONMENT/share/info:$INFOPATH"
    fi
fi

# Alias' to make command output prettier (use color with some commands by default)
alias ls='ls --color=auto'
alias ll='ls -l'
alias la='ls -a'
alias lla='ls -al'
alias grep='grep --color=auto'
alias fgrep='fgrep --color=auto'
alias egrep='egrep --color=auto'

alias f='find'
compdef f='find'

alias b='bat'
# #compdef b='bat' # No completions for bat installed/available

alias x='eza'
alias xs='eza'
alias xl='eza -l'
alias xla='eza -la'
alias xx='x -alT --git'
compdef x='eza'
compdef xs='eza'
compdef xl='eza'
compdef xla='eza'
compdef xx='eza'

alias e='emacsclient -t'
alias kssh='kitty +kitten ssh'
alias qemu="qemu-system-$(uname -m) -enable-kvm"
alias lock='cmatrix; clear; vlock'
alias vv="remote-viewer --connect qemu:///session"
alias xc="xclip -selection clipboard"
# alias mplayer-ascii='mplayer -vo aa:driver=curses -monitorpixelaspect 0.5 -really-quiet'

alias s='sudo'
alias si='sudo -i'
compdef s='sudo'
compdef si='sudo'

# Turn off noscroll
stty stop undef

# Setup direnv hook
eval "$(direnv hook zsh)"

# Use zsh-source-highlight
source ~/.guix-home/profile/share/zsh/plugins/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh

# Access pem ssh keys from password store
pass-ssh() {
    psw="$1"
    shift

    key_file="$(mktemp)"

    pass "$psw" > "$key_file"
    ssh -i "$key_file" $@

    rm "$key_file"
}

# Required for emacs vterm
# See: https://github.com/akermu/emacs-libvterm
vterm_printf(){
    if [ -n "$TMUX" ]; then
        # Tell tmux to pass the escape sequences through
        # (Source: http://permalink.gmane.org/gmane.comp.terminal-emulators.tmux.user/1324)
        printf "\ePtmux;\e\e]%s\007\e\\" "$1"
    elif [ "${TERM%%-*}" = "screen" ]; then
        # GNU screen (screen, screen-256color, screen-256color-bce)
        printf "\eP\e]%s\007\e\\" "$1"
    else
        printf "\e]%s\e\\" "$1"
    fi
}

# Ease message passing to vterm
vterm_cmd() {
    local vterm_elisp
    vterm_elisp=""
    while [ $# -gt 0 ]; do
        vterm_elisp="$vterm_elisp""$(printf '"%s" ' "$(printf "%s" "$1" | sed -e 's|\\|\\\\|g' -e 's|"|\\"|g')")"
        shift
    done
    vterm_printf "51;E$vterm_elisp"
}

if [[ "$INSIDE_EMACS" = 'vterm' ]]; then
    # Override man to run emacs man
    man() {
        vterm_cmd man "$@"
    }

    # Override info to run emacs info
    info() {
        vterm_cmd info "$@"
    }

    find-file() {
        vterm_cmd find-file "$@"
    }

    message() {
        vterm_cmd message "$@"
    }

    vterm-clear-scrollback() {
        vterm_cmd vterm-clear-scrollback "$@"
    }

    # For emacs vterm directory and prompt tracking
    # https://github.com/akermu/emacs-libvterm#directory-tracking-and-prompt-tracking
    vterm_prompt_end() {
        vterm_printf "51;A$(whoami)@$(hostname):$(pwd)";
    }
    setopt PROMPT_SUBST
    PROMPT=$PROMPT'%{$(vterm_prompt_end)%}'
fi