#!/usr/bin/env bash

# -------------------------------------------------
# ps1.sh – custom PS1 (must be sourced)
# -------------------------------------------------

# Must be sourced, not executed
if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
  echo "Dette scriptet må kjøres med:"
  echo "  source ps1.sh"
  echo "eller:"
  echo "  . ps1.sh"
  exit 1
fi

# Only for interactive shells
case "$-" in
  *i*) ;;
  *) return 0 ;;
esac

# -------------------------------------------------
# Emoji based on time (Norway / Europe/Oslo)
# Ranges:
# 05:00-08:59 tidlig
# 09:00-10:59 formiddag
# 11:00-11:29 lunsj
# 11:30-15:59 dag
# 16:00-16:59 middag
# 17:00-22:59 kveld
# 23:00-04:59 natt
# -------------------------------------------------
_ps1_emoji() {
  local hh mm h m
  hh="$(TZ=Europe/Oslo date +%H)"
  mm="$(TZ=Europe/Oslo date +%M)"
  h=$((10#$hh))
  m=$((10#$mm))

  if (( h >= 5 && h <= 8 )); then
    printf '%s' "🌅"      # tidlig
  elif (( h >= 9 && h <= 10 )); then
    printf '%s' "☕"      # formiddag
  elif (( h == 11 && m < 30 )); then
    printf '%s' "🥪"      # lunsj
  elif (( (h == 11 && m >= 30) || (h >= 12 && h <= 15) )); then
    printf '%s' "💻"      # dag
  elif (( h == 16 )); then
    printf '%s' "🍲"      # middag
  elif (( h >= 17 && h <= 22 )); then
    printf '%s' "🌆"      # kveld
  else
    printf '%s' "🌙"      # natt
  fi
}

# -------------------------------------------------
# Build PS1 (boxy + pastel contrast + full path)
# NOTE: We DO NOT use printf %b, because \u etc are PS1 escapes (not printf escapes)
# We keep PS1 escapes as \\u, \\h, \\d, \\A, \\n so bash expands them in the prompt.
# -------------------------------------------------
_ps1_build() {
  local emoji path
  emoji="$(_ps1_emoji)"
  path="$(pwd)"

  # Pastel-ish 256 colors:
  #  - box:   183 (light purple)
  #  - value: 117 (light cyan)
  #  - accent 229 (light yellow)
  local BOX="\[\e[38;5;183m\]"
  local VAL="\[\e[38;5;117m\]"
  local ACC="\[\e[38;5;229m\]"
  local RST="\[\e[0m\]"

  # Use PS1 escapes for date/time/user/host and a PS1 newline (\\n)
  # Use full path from $(pwd) so /home/user is shown (no ~ shortening)
  local ps1
  ps1="${BOX}╭─(${ACC}\\d${BOX} ${ACC}\\A${BOX})-(${VAL}\\u${BOX}@${VAL}\\h${BOX})-(${VAL}${path}${BOX})${RST}\\n${BOX}╰──➜ ${RST}\\$${emoji} "

  printf '%s' "$ps1"
}

# -------------------------------------------------
# PROMPT_COMMAND handling
# -------------------------------------------------
__PS1_PREV_PROMPT_COMMAND="${PROMPT_COMMAND-}"

ps1_on() {
  PROMPT_COMMAND='_PS1="$(_ps1_build)"; export PS1="$_PS1"'
  _PS1="$(_ps1_build)"; export PS1="$_PS1"
}

ps1_off() {
  PROMPT_COMMAND="$__PS1_PREV_PROMPT_COMMAND"
}

# Optional auto-enable (leave commented)
# ps1_on