#!/bin/bash
#
# cli.sh
# ------
#
# === Menu Driven ===
# Begin: Update or New Game or Exit
# Update: Select from recent or Quick Search
# New: Enter New Game. Return to Menu
# === CLI Driven ===
# -n   New Game
# -u   Update Game

db="db/games.rec"



function main_menu {
cat<<EOF

== Main Menu ==
1. [U]pdate 
2. [N]ew Game
3. [E]dit Game
4. [Q]uit
EOF
read -p "> " selection;
}



function new_game () {
read -p "System: " system
read -p "Module: " module
cat<<EOF
Role:
1. [D]M
2. [P]layer
EOF
read -p "> " roleinput
cat<<EOF
Length:
1. [C]ampaign
2. [A]dventure
3. [O]neshot
EOF
read -p "> " lengthinput
read -p "Format: " format

case "$roleinput" in
  "D" | "d" | 1) role="DM";;
  "P" | "p" | 2) role="Player";;
  "*") echo "Unknown Role!"; exit 1;;
esac

case "$lengthinput" in
  "C" | "c" | 1) length="Campaign";;
  "A" | "a" | 2) length="Adventure";;
  "O" | "o" | 3) length="Oneshot";;
  "*") echo "Unknown Length!"; exit 1;;
esac

recins $db --verbose -t Game \
  -f "System" -v "$system" \
  -f "Module" -v "$module" \
  -f "Role" -v "$role" \
  -f "Length" -v "$length" \
  -f "Format" -v "$format" \
  -f "Status" -v "Ongoing"
}

gamemenutmpl="{{Id}}. {{Module}} ({{System}})
"



function edit_game () {
id="$1"
shift
recsel $db -t Game -e "Id = $id" \
  | awk 'BEGIN { RS="\n" } { print NR ". " $0 }'
read -p "Number/[A]bort> " selection
case $selection in
  "a" | "A" | "x" | "X" | "")
    edit_menu;;
  *)
    fieldvalue=(`recsel $db -t Game -e "Id = $id" \
      | awk 'BEGIN { RS="\n"; FS=": " } NR == s { print $1 " " $2 }' s="$selection"`)
    echo "${fieldvalue[0]}: ${fieldvalue[1]}"
    read -p "New value: " value
    recset --verbose $db -t Game -e "Id = $id" -f "${fieldvalue[0]}" -s "$value";
    edit_game $id;;
esac
}



function update () {
id="$1"
shift
read -p "Date> " created
tmp=$(mktemp)
$EDITOR "$tmp"
Text=$(< "$tmp")
recins --verbose $db -t Update -f Game -v "$id" -f Text -v "$Text" -f Created -v "$created"
recsel $db -t Update -q "$Text"
main_menu
}



function recent_updates () {
count=`recsel -t Update $db -c`
recent="$((count - 7))"
recsel $db \
  -t Update \
  -e "Id > ${recent}" \
  -j Game \
  -p Game_Id:Id,Game_Module:Module,Game_System:System \
  | recfmt "${gamemenutmpl}"
read -p "Number> " id
case $id in
  "" | "b" | "B" | "x" | "X" | "q" | "Q")
    update_menu;;
  *)
    update $id;;
esac
}



function search_updates () {
read -p "Query> " q
recsel $db -t Game -i -q "${q}" | recfmt "${gamemenutmpl}"
read -p "Number> " id
case id in
  "" | "b" | "B" | "x" | "X" | "q" | "Q")
    update_menu;;
  *)
    update $id;;
esac
}



function recent_games () {
count=`recsel -t Game $db -c`
recent="$((count - 7))"
recsel $db -t Game -e "Id > ${recent}" | recfmt "${gamemenutmpl}"
read -p "Number> " id
case $id in
  "" | "b" | "B" | "x" | "X" | "q" | "Q")
    edit_menu;;
  *)
    edit_game $id;;
esac
}



function search_games () {
read -p "Query> " q
recsel $db -t Game -i -q "${q}" | recfmt "${gamemenutmpl}"
read -p "Number> " id
case id in
  "" | "b" | "B" | "x" | "X" | "q" | "Q")
    edit_menu;;
  *)
    edit_game $id;;
esac
}



function update_menu () {
cat<<EOF

== Find Game To Update ==
1. [R]ecent Games
2. [S]earch
3. [M]ain menu
EOF
read -p "> " menu

case "$menu" in
  1 | "r" | "R")
    recent_updates;;
  2 | "s" | "S")
    search_updates;;
  3 | "m" | "M" | "q" | "Q" | "b" | "B")
    main_menu;;
  *)
    echo "Select a number or letter from the menu";edit_menu;;
esac
}



function edit_menu () {
cat<<EOF

== Edit Existing Game ==
1. [R]ecent Games
2. [S]earch
3. [M]ain menu
EOF
read -p "> " menu

case "$menu" in
  1 | "r" | "R")
    recent_games;;
  2 | "s" | "S")
    search_games;;
  3 | "m" | "M" | "q" | "Q" | "b" | "B")
    main_menu;;
  *)
    echo "Select a number or letter from the menu";edit_menu;;
esac
}



function main () {
main_menu

case "$selection" in
  1 | "u" | "U")
    update_menu;;
  2 | "n" | "N")
    new_game;;
  3 | "e" | "E")
    edit_menu;;
  4 | "x" | "X" | "q" | "Q")
    echo "Byeeee";;
  *)
    echo "Select a letter or number from the menu";;
esac
}


main