# functions
for config_file ($HOME/.config/zsh/functions/*.zsh) source $config_file

# Environment
#

# Smart URLs
autoload -Uz url-quote-magic
zle -N self-insert url-quote-magic

# enable vi mode
setopt -o vi
bindkey -v
bindkey '^r' history-incremental-search-backward
bindkey '^a' beginning-of-line
bindkey '^e' end-of-line

# General
setopt BRACE_CCL          # Allow brace character class list expansion.
setopt COMBINING_CHARS    # Combine zero-length punctuation characters (accents)
                          # with the base character.
setopt RC_QUOTES          # Allow 'Henry''s Garage' instead of 'Henry'\''s Garage'.
unsetopt MAIL_WARNING     # Don't print a warning message if a mail file has been accessed.

# Jobs
setopt LONG_LIST_JOBS     # List jobs in the long format by default.
setopt AUTO_RESUME        # Attempt to resume existing job before creating a new process.
setopt NOTIFY             # Report status of background jobs immediately.
unsetopt BG_NICE          # Don't run all background jobs at a lower priority.
unsetopt HUP              # Don't kill jobs on shell exit.
unsetopt CHECK_JOBS       # Don't report on jobs when shell exit.

## Termcap
#if zstyle -t ':prezto:environment:termcap' color; then
#  export LESS_TERMCAP_mb=$'\E[01;31m'      # Begins blinking.
#  export LESS_TERMCAP_md=$'\E[01;31m'      # Begins bold.
#  export LESS_TERMCAP_me=$'\E[0m'          # Ends mode.
#  export LESS_TERMCAP_se=$'\E[0m'          # Ends standout-mode.
#  export LESS_TERMCAP_so=$'\E[00;47;30m'   # Begins standout-mode.
#  export LESS_TERMCAP_ue=$'\E[0m'          # Ends underline.
#  export LESS_TERMCAP_us=$'\E[01;32m'      # Begins underline.
#fi

# Terminal
#

# Do not override precmd/preexec; append to the hook array.
autoload -Uz add-zsh-hook

# Sets the tab and window titles before the prompt is displayed.
#add-zsh-hook precmd _terminal-set-titles-with-path

# Sets the tab and window titles before command execution.
#add-zsh-hook preexec _terminal-set-titles-with-command

# no terminal input freezing (ctrl + s) and unfreezing (ctrl + q)
stty -ixon

# Editor
#

# Beep on error in line editor.
setopt BEEP

# Treat these characters as part of a word.
WORDCHARS='*?_-.[]~&;!#$%^(){}<>'

# Use human-friendly identifiers.
zmodload zsh/terminfo
typeset -gA key_info
key_info=(
  'Control'      '\C-'
  'ControlLeft'  '\e[1;5D \e[5D \e\e[D \eOd'
  'ControlRight' '\e[1;5C \e[5C \e\e[C \eOc'
  'Escape'       '\e'
  'Meta'         '\M-'
  'Backspace'    "^?"
  'Delete'       "^[[3~"
  'F1'           "$terminfo[kf1]"
  'F2'           "$terminfo[kf2]"
  'F3'           "$terminfo[kf3]"
  'F4'           "$terminfo[kf4]"
  'F5'           "$terminfo[kf5]"
  'F6'           "$terminfo[kf6]"
  'F7'           "$terminfo[kf7]"
  'F8'           "$terminfo[kf8]"
  'F9'           "$terminfo[kf9]"
  'F10'          "$terminfo[kf10]"
  'F11'          "$terminfo[kf11]"
  'F12'          "$terminfo[kf12]"
  'Insert'       "$terminfo[kich1]"
  'Home'         "$terminfo[khome]"
  'PageUp'       "$terminfo[kpp]"
  'End'          "$terminfo[kend]"
  'PageDown'     "$terminfo[knp]"
  'Up'           "$terminfo[kcuu1]"
  'Left'         "$terminfo[kcub1]"
  'Down'         "$terminfo[kcud1]"
  'Right'        "$terminfo[kcuf1]"
  'BackTab'      "$terminfo[kcbt]"
)

# Set empty $key_info values to an invalid UTF-8 sequence to induce silent
# bindkey failure.
for key in "${(k)key_info[@]}"; do
  if [[ -z "$key_info[$key]" ]]; then
    key_info[$key]='�'
  fi
done

# Allow command line editing in an external editor.
autoload -Uz edit-command-line
zle -N edit-command-line

# Reset to default key bindings.
bindkey -d

#
# Vi Key Bindings
#

# Edit command in an external editor.
bindkey -M vicmd "v" edit-command-line

# Undo/Redo
bindkey -M vicmd "u" undo
bindkey -M vicmd "U" redo

if (( $+widgets[history-incremental-pattern-search-backward] )); then
  bindkey -M vicmd "?" history-incremental-pattern-search-backward
  bindkey -M vicmd "/" history-incremental-pattern-search-forward
else
  bindkey -M vicmd "?" history-incremental-search-backward
  bindkey -M vicmd "/" history-incremental-search-forward
fi

#
# Emacs and Vi Key Bindings
#

for keymap in 'emacs' 'viins'; do
  bindkey -M "$keymap" "$key_info[Home]" beginning-of-line
  bindkey -M "$keymap" "$key_info[End]" end-of-line

  bindkey -M "$keymap" "$key_info[Insert]" overwrite-mode
  bindkey -M "$keymap" "$key_info[Delete]" delete-char
  bindkey -M "$keymap" "$key_info[Backspace]" backward-delete-char

  bindkey -M "$keymap" "$key_info[Left]" backward-char
  bindkey -M "$keymap" "$key_info[Right]" forward-char

  # Expand history on space.
  bindkey -M "$keymap" ' ' magic-space

  # Clear screen.
  bindkey -M "$keymap" "$key_info[Control]L" clear-screen

  # Expand command name to full path.
  for key in "$key_info[Escape]"{E,e}
    bindkey -M "$keymap" "$key" expand-cmd-path

  # Duplicate the previous word.
  for key in "$key_info[Escape]"{M,m}
    bindkey -M "$keymap" "$key" copy-prev-shell-word

  # Use a more flexible push-line.
  for key in "$key_info[Control]Q" "$key_info[Escape]"{q,Q}
    bindkey -M "$keymap" "$key" push-line-or-edit

  # Bind Shift + Tab to go to the previous menu item.
  bindkey -M "$keymap" "$key_info[BackTab]" reverse-menu-complete

  # Complete in the middle of word.
  bindkey -M "$keymap" "$key_info[Control]I" expand-or-complete

  # Insert 'sudo ' at the beginning of the line.
  bindkey -M "$keymap" "$key_info[Control]X$key_info[Control]S" prepend-sudo
done

# Set the key layout to vi mode
bindkey -v
unset key{,map,bindings}

# History
#
# The path to the history file
[[ ! -d "${XDG_STATE_HOME:-$HOME/.local/state}/zsh/" ]] && mkdir -p "${XDG_STATE_HOME:-$HOME/.local/state}/zsh/"
HISTFILE="${XDG_STATE_HOME:-$HOME/.local/state}/zsh/history"
# The maximum number of events to save in the internal history.
HISTSIZE=10000
# The maximum number of events to save in the history file.
SAVEHIST=10000

# Treat the '!' character specially during expansion.
setopt BANG_HIST
# Write the history file in the ':start:elapsed;command' format.
setopt EXTENDED_HISTORY
# Write to the history file immediately, not when the shell exits.
setopt INC_APPEND_HISTORY
# Share history between all sessions.
setopt SHARE_HISTORY
# Expire a duplicate event first when trimming history.
setopt HIST_EXPIRE_DUPS_FIRST
# Do not record an event that was just recorded again.
setopt HIST_IGNORE_DUPS
# Delete an old recorded event if a new event is a duplicate.
setopt HIST_IGNORE_ALL_DUPS
# Do not display a previously found event.
setopt HIST_FIND_NO_DUPS
# Do not record an event starting with a space.
setopt HIST_IGNORE_SPACE
# Do not write a duplicate event to the history file.
setopt HIST_SAVE_NO_DUPS
# Do not execute immediately upon history expansion.
setopt HIST_VERIFY
# Beep when accessing non-existent history.
setopt HIST_BEEP


# Directory
#

# Auto changes to a directory without typing cd.
setopt AUTO_CD
# Push the old directory onto the stack on cd.
setopt AUTO_PUSHD
# Do not store duplicates in the stack.
setopt PUSHD_IGNORE_DUPS
# Do not print the directory stack after pushd or popd.
setopt PUSHD_SILENT
# Push to home directory when no argument is given.
setopt PUSHD_TO_HOME
# Change directory to a path stored in a variable.
setopt CDABLE_VARS
# Auto add variable-stored paths to ~ list.
setopt AUTO_NAME_DIRS
# Write to multiple descriptors.
setopt MULTIOS
# Use extended globbing syntax.
setopt EXTENDED_GLOB
# Do not overwrite existing files with > and >>.
# Use >! and >>! to bypass.
unsetopt CLOBBER



# Externals
#
# include completions path in directory
completion_dirs=(
  /usr/share/zsh/site-functions
  "$HOME/.config/zsh/completions"
)
for p in ${completion_dirs}; do
  if [[ -d "$p" ]]; then
    fpath=("$p" $fpath)
  fi
done

# Completion
#
zmodload zsh/complist

# Load and initialize the completion system ignoring insecure directories.
autoload -Uz compinit && compinit -i

#
# Options
#

# Complete from both ends of a word.
setopt COMPLETE_IN_WORD
# Move cursor to the end of a completed word.
setopt ALWAYS_TO_END
# Perform path search even on command names with slashes.
setopt PATH_DIRS
# Show completion menu on a successive tab press.
setopt AUTO_MENU
# Automatically list choices on ambiguous completion.
setopt AUTO_LIST
# If completed parameter is a directory, add a trailing slash.
setopt AUTO_PARAM_SLASH
# Do not autoselect the first completion entry.
unsetopt MENU_COMPLETE
# Disable start/stop characters in shell editor.
unsetopt FLOW_CONTROL

#
# Styles
#

# Use caching to make completion for commands such as dpkg and apt usable.
zstyle ':completion::complete:*' use-cache on
zstyle ':completion::complete:*' cache-path "$HOME/.zcompcache"

# Case-insensitive (all), partial-word, and then substring completion.
if zstyle -t ':prezto:module:completion:*' case-sensitive; then
  zstyle ':completion:*' matcher-list 'r:|[._-]=* r:|=*' 'l:|=* r:|=*'
  setopt CASE_GLOB
else
  zstyle ':completion:*' matcher-list 'm:{a-zA-Z}={A-Za-z}' 'r:|[._-]=* r:|=*' 'l:|=* r:|=*'
  unsetopt CASE_GLOB
fi

# Group matches and describe.
zstyle ':completion:*:*:*:*:*' menu select
zstyle ':completion:*:matches' group 'yes'
zstyle ':completion:*:options' description 'yes'
zstyle ':completion:*:options' auto-description '%d'
zstyle ':completion:*:corrections' format ' %F{green}-- %d (errors: %e) --%f'
zstyle ':completion:*:descriptions' format ' %F{yellow}-- %d --%f'
zstyle ':completion:*:messages' format ' %F{purple} -- %d --%f'
zstyle ':completion:*:warnings' format ' %F{red}-- no matches found --%f'
zstyle ':completion:*:default' list-prompt '%S%M matches%s'
zstyle ':completion:*' format ' %F{yellow}-- %d --%f'
zstyle ':completion:*' group-name ''
zstyle ':completion:*' verbose yes

# Fuzzy match mistyped completions.
zstyle ':completion:*' completer _complete _match _approximate
zstyle ':completion:*:match:*' original only
zstyle ':completion:*:approximate:*' max-errors 1 numeric

# Increase the number of errors based on the length of the typed word.
zstyle -e ':completion:*:approximate:*' max-errors 'reply=($((($#PREFIX+$#SUFFIX)/3))numeric)'

# Don't complete unavailable commands.
zstyle ':completion:*:functions' ignored-patterns '(_*|pre(cmd|exec))'

# Array completion element sorting.
zstyle ':completion:*:*:-subscript-:*' tag-order indexes parameters

# Directories
zstyle ':completion:*:default' list-colors ${(s.:.)LS_COLORS}
zstyle ':completion:*:*:cd:*' tag-order local-directories directory-stack path-directories
zstyle ':completion:*:*:cd:*:directory-stack' menu yes select
zstyle ':completion:*:-tilde-:*' group-order 'named-directories' 'path-directories' 'users' 'expand'
zstyle ':completion:*' squeeze-slashes true

# History
zstyle ':completion:*:history-words' stop yes
zstyle ':completion:*:history-words' remove-all-dups yes
zstyle ':completion:*:history-words' list false
zstyle ':completion:*:history-words' menu yes

# Environmental Variables
zstyle ':completion::*:(-command-|export):*' fake-parameters ${${${_comps[(I)-value-*]#*,}%%,*}:#-*-}

# Populate hostname completion.
zstyle -e ':completion:*:hosts' hosts 'reply=(
  ${=${=${=${${(f)"$(cat {/etc/ssh_,~/.ssh/known_}hosts(|2)(N) 2>/dev/null)"}%%[#| ]*}//\]:[0-9]*/ }//,/ }//\[/ }
  ${=${(f)"$(cat /etc/hosts(|)(N) <<(ypcat hosts 2>/dev/null))"}%%\#*}
  ${=${${${${(@M)${(f)"$(cat ~/.ssh/config 2>/dev/null)"}:#Host *}#Host }:#*\**}:#*\?*}}
)'

# Don't complete uninteresting users...
zstyle ':completion:*:*:*:users' ignored-patterns \
  adm amanda apache avahi beaglidx bin cacti canna clamav daemon \
  dbus distcache dovecot fax ftp games gdm gkrellmd gopher \
  hacluster haldaemon halt hsqldb ident junkbust ldap lp mail \
  mailman mailnull mldonkey mysql nagios \
  named netdump news nfsnobody nobody nscd ntp nut nx openvpn \
  operator pcap postfix postgres privoxy pulse pvm quagga radvd \
  rpc rpcuser rpm shutdown squid sshd sync uucp vcsa xfs '_*'

# ... unless we really want to.
zstyle '*' single-ignored show

# Ignore multiple entries.
zstyle ':completion:*:(rm|kill|diff):*' ignore-line other
zstyle ':completion:*:rm:*' file-patterns '*:all-files'

# Kill
zstyle ':completion:*:*:*:*:processes' command 'ps -u $LOGNAME -o pid,user,command -w'
zstyle ':completion:*:*:kill:*:processes' list-colors '=(#b) #([0-9]#) ([0-9a-z-]#)*=01;36=0=01'
zstyle ':completion:*:*:kill:*' menu yes select
zstyle ':completion:*:*:kill:*' force-list always
zstyle ':completion:*:*:kill:*' insert-ids single

# Man
zstyle ':completion:*:manuals' separate-sections true
zstyle ':completion:*:manuals.(^1*)' insert-sections true

# Media Players
zstyle ':completion:*:*:mpg123:*' file-patterns '*.(mp3|MP3):mp3\ files *(-/):directories'
zstyle ':completion:*:*:mpg321:*' file-patterns '*.(mp3|MP3):mp3\ files *(-/):directories'
zstyle ':completion:*:*:ogg123:*' file-patterns '*.(ogg|OGG|flac):ogg\ files *(-/):directories'
zstyle ':completion:*:*:mocp:*' file-patterns '*.(wav|WAV|mp3|MP3|ogg|OGG|flac):ogg\ files *(-/):directories'

# Mutt
if [[ -s "$HOME/.mutt/aliases" ]]; then
  zstyle ':completion:*:*:mutt:*' menu yes select
  zstyle ':completion:*:mutt:*' users ${${${(f)"$(<"$HOME/.mutt/aliases")"}#alias[[:space:]]}%%[[:space:]]*}
fi

# SSH/SCP/RSYNC
zstyle ':completion:*:(scp|rsync):*' tag-order 'hosts:-host:host hosts:-domain:domain hosts:-ipaddr:ip\ address *'
zstyle ':completion:*:(scp|rsync):*' group-order users files all-files hosts-domain hosts-host hosts-ipaddr
zstyle ':completion:*:ssh:*' tag-order 'hosts:-host:host hosts:-domain:domain hosts:-ipaddr:ip\ address *'
zstyle ':completion:*:ssh:*' group-order users hosts-domain hosts-host users hosts-ipaddr
zstyle ':completion:*:(ssh|scp|rsync):*:hosts-host' ignored-patterns '*(.|:)*' loopback ip6-loopback localhost ip6-localhost broadcasthost
zstyle ':completion:*:(ssh|scp|rsync):*:hosts-domain' ignored-patterns '<->.<->.<->.<->' '^[-[:alnum:]]##(.[-[:alnum:]]##)##' '*@*'
zstyle ':completion:*:(ssh|scp|rsync):*:hosts-ipaddr' ignored-patterns '^(<->.<->.<->.<->|(|::)([[:xdigit:].]##:(#c,2))##(|%*))' '127.0.0.<->' '255.255.255.255' '::1' 'fe80::*'

# autosuggestions
autosuggestions=( "/usr/share/zsh/plugins/zsh-autosuggestions/zsh-autosuggestions.zsh"
                  "/usr/share/zsh-autosuggestions/zsh-autosuggestions.zsh"
                  "/usr/local/share/zsh-autosuggestions/zsh-autosuggestions.zsh" )
for p in ${autosuggestions}; do
  if [ -f "$p" ]; then
    source "$p"
  fi
done
ZSH_AUTOSUGGEST_STRATEGY=('history')

# syntax-highlighting
syntax_highlighting=( "/usr/share/zsh/plugins/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh"
                      "/usr/share/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh"
                      "/usr/local/share/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh" )
for p in ${syntax_highlighting}; do
  if [ -f "$p" ]; then
    source "$p"
  fi
done

# history-substring-search
history_substring=( "/usr/share/zsh/plugins/zsh-history-substring-search/zsh-history-substring-search.zsh"
                      "/usr/share/zsh-history-substring-search/zsh-history-substring-search.zsh"
                      "/usr/local/share/zsh-history-substring-search/zsh-history-substring-search.zsh" )
for p in ${history_substring}; do
  if [ -f "$p" ]; then
    source "$p"
    # Vi
    bindkey -M vicmd "k" history-substring-search-up
    bindkey -M vicmd "j" history-substring-search-down

    # Emacs and Vi
    for keymap in 'viins'; do
      bindkey -M "$keymap" "$key_info[Up]" history-substring-search-up
      bindkey -M "$keymap" "$key_info[Down]" history-substring-search-down
    done
  fi
done

# skim
skim=("/usr/share/skim/key-bindings.zsh" "/usr/share/skim/completion.zsh")
for p in ${skim}; do
  if [ -f "$p" ]; then
    source "$p"
  fi
done

# includes
for config_file ($HOME/.config/zsh/includes/*.zsh) source $config_file

# use starship for prompt if it exists
(( ${+commands[starship]} )) && eval "$(starship init zsh)"