#!/bin/sh
# anki-cli - dmenu-integrated Anki flashcard manager
# Usage: anki-cli [add|list|review|decks|info|tags|-h]
# Default (no args): dmenu action picker

cmd_add() {
	# Pick deck
	deck=$(apy info 2>/dev/null | awk '/^[A-Za-z]/ && !/^(Model|Sum|Sched|Coll|Conf|─)/{print $1}' | head -1)
	decks=$(apy list-cards "deck:*" 2>/dev/null | awk '{print $1}' | sort -u)
	if [ -n "$decks" ]; then
		deck=$(printf '%s\nNew deck...' "$decks" | dmenu -i -l 20 -p "Deck:" || exit 0)
	else
		deck=$(printf 'Default\nNew deck...' | dmenu -i -l 20 -p "Deck:" || exit 0)
	fi
	[ -z "$deck" ] && exit 0

	if [ "$deck" = "New deck..." ]; then
		deck=$(printf '' | dmenu -l 1 -p "Deck name:" || exit 0)
		[ -z "$deck" ] && exit 0
	fi

	# Pick model
	model=$(apy list-models 2>/dev/null | dmenu -i -l 10 -p "Model:" || exit 0)
	[ -z "$model" ] && exit 0

	# Get front
	front=$(printf '' | dmenu -c -l 1 -h 40 -p "Front:" || exit 0)
	[ -z "$front" ] && exit 0

	# Get back
	back=$(printf '' | dmenu -c -l 1 -h 40 -p "Back:" || exit 0)
	[ -z "$back" ] && exit 0

	# Optional tags
	tags=$(printf '' | dmenu -l 1 -p "Tags (space-separated):" || true)

	if [ -n "$tags" ]; then
		apy add-single -d "$deck" -m "$model" -t "$tags" "$front" "$back" 2>&1
	else
		apy add-single -d "$deck" -m "$model" "$front" "$back" 2>&1
	fi

	notify-send "Card added" "$front → $deck"
}

cmd_quick() {
	# Quick add: front and back only, defaults for everything else
	front=$(printf '' | dmenu -c -l 1 -h 40 -p "Front:" || exit 0)
	[ -z "$front" ] && exit 0

	back=$(printf '' | dmenu -c -l 1 -h 40 -p "Back:" || exit 0)
	[ -z "$back" ] && exit 0

	apy add-single "$front" "$back" 2>&1
	notify-send "Card added" "$front"
}

cmd_list() {
	apy list-cards-table "${1:-*}" 2>&1
}

cmd_review() {
	apy review "${1:-is:due}" 2>&1
}

cmd_decks() {
	apy info 2>&1
}

cmd_tags() {
	apy tag 2>&1
}

cmd_dmenu() {
	action=$(printf 'Quick add\nAdd (full)\nReview due\nList cards\nDecks & info\nTags' | dmenu -i -l 10 -p "Anki:" || exit 0)
	[ -z "$action" ] && exit 0

	case "$action" in
		"Quick add")   cmd_quick ;;
		"Add (full)")  cmd_add ;;
		"Review due")  cmd_review ;;
		"List cards")  cmd_list ;;
		"Decks & info") cmd_decks ;;
		"Tags")        cmd_tags ;;
	esac
}

case "$1" in
	add)     cmd_add ;;
	quick)   cmd_quick ;;
	list)    shift; cmd_list "$@" ;;
	review)  shift; cmd_review "$@" ;;
	decks)   cmd_decks ;;
	info)    apy info ;;
	tags)    cmd_tags ;;
	-h|help)
		printf 'anki-cli           dmenu action picker\n'
		printf 'anki-cli quick     Quick add (front/back only)\n'
		printf 'anki-cli add       Add card (deck/model/tags)\n'
		printf 'anki-cli list [Q]  List cards (optional query)\n'
		printf 'anki-cli review    Review due cards in terminal\n'
		printf 'anki-cli decks     Show decks and stats\n'
		printf 'anki-cli tags      List all tags\n'
		printf 'anki-cli info      Collection info\n'
		;;
	"")      cmd_dmenu ;;
	*)       printf 'Unknown command: %s (try anki-cli -h)\n' "$1" ;;
esac