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


# Environment
#

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

# 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

# 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 "$key_info[Control]R" 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
HISTFILE="${ZDOTDIR:-$HOME}/.zhistory"
# 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
#
# TODO: Add conditional to check for availability

# syntax-highlighting
source /usr/share/zsh/plugins/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh

# history-substring-search
source /usr/share/zsh/plugins/zsh-history-substring-search/zsh-history-substring-search.zsh
# Vi
bindkey -M vicmd "k" history-substring-search-up
bindkey -M vicmd "j" history-substring-search-down

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


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


# Prompt
#

# Load and execute the prompt theming system.
autoload -Uz promptinit && promptinit
prompt dvzrv
unset prompt_argv