#!/usr/bin/env bash

set -euo pipefail

MAIN_DIR=$(realpath -e "$(dirname "$0")")
# shellcheck disable=1091
source "$MAIN_DIR/vendor/std/src/lib.sh"
source "$MAIN_DIR/src/lib.sh"

declare -A clap__flags=(
	[-h]=bool
	[-v]=value
	["--long-flag"]=value
	["--long-bool-flag"]=bool
)

# formatter doesn't like these unquoted and zsh doesn't like quotes on
# associative arrays
declare __long_flag=--long-flag
declare __long_bool_flag=--long-bool-flag

eval "$(std::sensible)"

clap::parse a b c
std::assert-eq "should have parsed 3 args" 3 "${#clap__arguments[@]}"

clap::parse a b -h c
std::assert-eq "should have parsed 3 args" 3 "${#clap__arguments[@]}"

clap::parse -h
std::assert-eq "should have parsed 1 flag" 1 "${#clap__options[@]}"
std::assert-eq "should have parsed 0 args" 0 "${#clap__arguments[@]}"

clap::parse -- -h
std::assert-eq "should have parsed 0 flags" 0 "${#clap__options[@]}"
std::assert-eq "should have parsed 1 arg" 1 "${#clap__arguments[@]}"

clap::parse -- --
std::assert-eq "should have parsed 0 flags" 0 "${#clap__options[@]}"
std::assert-eq "should have parsed 1 arg" 1 "${#clap__arguments[@]}"
std::assert "1st arg should be '--'" "${clap__arguments[0]}" == "--"

# shellcheck disable=2251
! clap::parse --long-flagarg &>/dev/null
# shellcheck disable=2251
! clap::parse --long-flagh &>/dev/null

clap::parse --long-flag arg
std::assert-eq "should have parsed 0 args" 0 "${#clap__arguments[@]}"
std::assert "'--long-flag' should be set" "${clap__options[$__long_flag]}" == arg

clap::parse --long-bool-flag arg
std::assert-eq "should have parsed 1 args" 1 "${#clap__arguments[@]}"
std::assert-eq "'--long-bool-flag' should be set" 1 "${clap__options[$__long_bool_flag]}"

# --- Subcommands

CLAP__PARSE_IS_SUBCOMMAND=1 clap::parse --long-flag arg subcommand --subc-arg
std::assert-eq "should have parsed 1 subcommand" 1 "${#clap__arguments[@]}"
std::assert "subcommand should be 'subcommand'" subcommand == "${clap__arguments[0]}"
std::assert "'--long-flag' should be 'arg'" arg == "${clap__options[$__long_flag]}"
std::assert-eq "should have 1 subcommand argument" 1 "${#clap__subcommand_arguments[@]}"
std::assert "subcommand argument should be '--subc-arg'" "--subc-arg" == "${clap__subcommand_arguments[0]}"

# --- Help Menus

declare -a clap__help_commands=()
declare -a clap__help_options=()

# --- OUTPUT 1
std::assert "reviewed clap output 1 must match" "$(
	clap::pretty-help "This help is empty" | xxd -p
)" == "$(xxd -p <test/clap1.ansi)"

# --- OUTPUT 2
clap__help_commands=(
	"subcommand1 Description 1."
	"subcommand2-longer Description 2."
	"empty-subcommand"
)
clap__help_options=(
	"-s"
	"-h --help Shows help."
	"--just-long"
	"--description But with description."
)
std::assert "reviewed clap output 2 must match" "$(
	clap::pretty-help "This is the description" "hard-subcommand" "<OPTION>" "[ARGUMENTS...]" | xxd -p
)" == "$(xxd -p <test/clap2.ansi)"

# --- OUTPUT 3
std::assert "reviewed clap output 3 must match" "$(
	CLAP_HL_SECTION=$'\033[4;1;38;2;236;134;150m' \
		CLAP_HL_WORD=$'\033[33m' \
		CLAP_HL_OPTION=$'\033[34m' \
		clap::pretty-help "This is the colored description" "hard-subcommand" "<OPTION>" "[ARGUMENTS...]" | xxd -p
)" == "$(xxd -p <test/clap3.ansi)"

# --- OUTPUT 4
clap__help_options=(
	"-s"
	"-h Shows help."
)
std::assert "reviewed clap output 4 must match" "$(
	CLAP_HL_SECTION=$'\033[4;1;38;2;236;134;150m' \
		CLAP_HL_WORD=$'\033[33m' \
		CLAP_HL_OPTION=$'\033[34m' \
		clap::pretty-help "This is the colored description" "hard-subcommand" "<OPTION>" "[ARGUMENTS...]" | xxd -p
)" == "$(xxd -p <test/clap4.ansi)"

# --- OUTPUT 5
clap__help_options=(
	"--help Shows help."
	"--just-long"
	"--description But with description."
)
std::assert "reviewed clap output 5 must match" "$(
	CLAP_HL_SECTION=$'\033[4;1;38;2;236;134;150m' \
		CLAP_HL_WORD=$'\033[33m' \
		CLAP_HL_OPTION=$'\033[34m' \
		clap::pretty-help "This is the colored description" "hard-subcommand" "<OPTION>" "[ARGUMENTS...]" | xxd -p
)" == "$(xxd -p <test/clap5.ansi)"