#!/bin/zsh

## DEBUG INFORMATION
#
# ZSH_SETUP_SHOW_DEBUG="true"
#
# Uncomment the above line to get debug information during the script setup.
print_dbg() {
  if [ -z $ZSH_SETUP_SHOW_DEBUG ]; then
    return
  fi
  printf $@
}

# Clone zgen if you haven't already
check_zgen_installation() {
  if [[ -z "$ZGEN_PARENT_DIR" ]]; then
    ZGEN_PARENT_DIR=$HOME
  fi
  if [[ ! -f $ZGEN_PARENT_DIR/.zgen/zgen.zsh ]]; then
    if [[ ! -d "$ZGEN_PARENT_DIR" ]]; then
      mkdir -p "$ZGEN_PARENT_DIR"
    fi
    pushd $ZGEN_PARENT_DIR
    git clone https://github.com/tarjoilija/zgen.git ./.zgen
    popd
  fi
  source $ZGEN_PARENT_DIR/.zgen/zgen.zsh
  unset ZGEN_PARENT_DIR
}

#### ZSHrc - Setting up the Shell
## 
## Almost all actual setup is being done with the help of individual files 
## in the .zsh.d/ directory. They follow a specific order:
##
## 00-09 are bootstrapping the zsh environment, setting aliases and sane
##       shell defaults which should need no changes
## 10-19 allow custom bootstrapping of things that need to be set before any
##       zsh plugins are loaded (in my case, theme environment vars, etc)
## 20-29 are run *during* zgen setup and can include plugins to be loaded
## 30-99 are run after plugins are loaded and can be configured 
##       in whatever way you wish
##
## Most of them are documented, and they try to have sensible naming. 
## If you want to supply your own directory of zsh config files you can do so 
## by setting the ZSH_CONFIG_DIR environment variable. You can also drop 
## configuration files into the config dir without any numbers prepended, they
## will be run after numbered ones (in a random order) if you uncomment the 
## corresponding line below.

# Set ZSH_CONFIG_DIR to default to ~/.zsh.d, or let user override
# Exit early if no configuration directory has been found
if [ ! -d ${ZSH_CONFIG_DIR:="$HOME/.zsh.d"} ]; then
  # If the user explicitly overrode the path give him an error
  if [ ! $ZSH_CONFIG_DIR = "$HOME/.zsh.d" ]; then
    printf "\$ZSH_CONFIG_DIR=$ZSH_CONFIG_DIR/ does not exist.\n"
  fi
  PS1="$HOME $ "
  return
fi

# //TODO: Prints error when -no- files are found
# Load bootstrap settings (00-19) before plugin initialization
if [ -n "$(/bin/ls $ZSH_CONFIG_DIR/)" ]; then
  GLOB=($ZSH_CONFIG_DIR/[0-1][0-9]-*)
  for dotfile in $GLOB; do
    print_dbg "Phase 1: $dotfile\n" #//DEBUG
    if [ -r "${dotfile}" ]; then
      source "${dotfile}"
    fi
  done
  unset GLOB
fi

# set up zgen - load external zsh plugins
# If you need to reload your plugins use 'zgen reset' and restart
# your shell
if [ -n "$(/bin/ls $ZSH_CONFIG_DIR/)" ]; then
  print_dbg "Phase 2: Setting up ZGEN\n" #//DEBUG
  
  check_zgen_installation
  
  if ! zgen saved; then

    if [ -n "$(/bin/ls $ZSH_CONFIG_DIR/)" ]; then
      GLOB=($ZSH_CONFIG_DIR/2[0-9]-*)
      for dotfile in $GLOB; do
        print_dbg "Phase 3: $dotfile\n" #//DEBUG
        if [ -r "${dotfile}" ]; then
          source "${dotfile}"
        fi
      done
      unset GLOB
    fi

    # Save it all to init script.
    zgen save
  fi
  
fi

# Load additional settings (30-99) after plugin initialization
if [ -n "$(/bin/ls $ZSH_CONFIG_DIR/)" ]; then
  GLOB=($ZSH_CONFIG_DIR/[3-9][0-9]-*)
  for dotfile in $GLOB; do
    print_dbg "Phase 3: $dotfile\n" #//DEBUG
    if [ -r "${dotfile}" ]; then
      source "${dotfile}"
    fi
  done
  unset GLOB
fi

# Uncomment this section to enable execution of arbitrarily named config files
# if [ -n "$(/bin/ls $ZSH_CONFIG_DIR/)" ]; then
#   GLOB=($ZSH_CONFIG_DIR/[:alpha:]*)
#   for dotfile in $GLOB; do
#     print_dbg "Phase 4, Alphabetic: $dotfile\n" #//DEBUG
#     if [ -r "${dotfile}" ]; then
#       source "${dotfile}"
#     fi
#   done
#   unset GLOB
# fi

unset ZSH_CONFIG_DIR


export GOPATH="$HOME/Code/go"
export PATH="$PATH:$GOPATH/bin"