#!/usr/bin/env python3

import argparse
import os
import re
import sys
import requests


class Debug(argparse.Action):
    def __call__(self, parser, namespace, values, option_string=None):
        import pdb; pdb.set_trace()


# MAIN
parser = argparse.ArgumentParser(description="Cast party skills",
                                 epilog="See https://habitica.com/apidoc/#api-User-UserCast for the key map of class skills")
parser.add_argument('-c', '--cast',
                    required=True,
                    choices=['all', 'both',
                             'earth', 'earthquake', 'mpheal', 'surge', 'etherealsurge',
                             'intimidate', 'intimidatinggaze', 'presence', 'valorousPresence',
                             'tools', 'toolsOfTrade', 'toolsofthetrade',
                             'blessing', 'healAll', 'protect', 'protectAura', 'protectiveaura'],
                    help='Spell(s) to cast')
parser.add_argument('-u', '--user-id',
                    help='From https://habitica.com/#/options/settings/api\n \
                    default: environment variable HAB_API_USER')
parser.add_argument('-k', '--api-token',
                    help='From https://habitica.com/#/options/settings/api\n \
                    default: environment variable HAB_API_TOKEN')
parser.add_argument('--baseurl',
                    type=str, default="https://habitica.com",
                    help='API server (default: https://habitica.com)')
parser.add_argument('--debug',
                    action=Debug, nargs=0,
                    help=argparse.SUPPRESS)
if len(sys.argv) == 1:
    parser.print_help()
    sys.exit()
args = parser.parse_args()
args.baseurl += "/api/v3/"

try:
    if args.user_id is None:
        args.user_id = os.environ['HAB_API_USER']
    if not re.match(r'^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$', args.user_id, re.IGNORECASE):
        print(f"Invalid User ID: '{args.user_id}'")
        sys.exit(1)
except KeyError:
    print("User ID must be set by the -u/--user-id option or by setting the environment variable 'HAB_API_USER'")
    sys.exit(1)

try:
    if args.api_token is None:
        args.api_token = os.environ['HAB_API_TOKEN']
    if not re.match(r'^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$', args.api_token, re.IGNORECASE):
        print(f"Invalid API Token: '{args.api_token}'")
        sys.exit(1)
except KeyError:
    print("API Token must be set by the -k/--api-token option or by setting the environment variable 'HAB_API_TOKEN'")
    sys.exit(1)


headers = {"x-api-user": args.user_id, "x-api-key": args.api_token, "Content-Type": "application/json"}

req = requests.get(args.baseurl + "user", headers=headers)

if req.json()['data']['stats']['class'] == "mage":
    if args.cast not in ("all", "both", "earth", "earthquake", "mpheal", "etherealsurge"):
        print("Skill requested not available in character class")
        sys.exit(1)
    # Earthquake
    if args.cast in ("all", "both", "earth", "earthquake"):
        skill = requests.post(args.baseurl + "user/class/cast/earth", headers=headers)
    # Ethereal Surge
    if args.cast in ("all", "both", "mpheal", "etherealsurge"):
        skill = requests.post(args.baseurl + "user/class/cast/mpheal", headers=headers)
elif req.json()['data']['stats']['class'] == "warrior":
    if args.cast not in ("all", "both", "intimidate", "intimidatinggaze", "presence", "valorousPresence"):
        print("Skill requested not available in character class")
        sys.exit(1)
    # Intimidating Gaze
    if args.cast in ("all", "both", "intimidate", "intimidatinggaze"):
        skill = requests.post(args.baseurl + "user/class/cast/intimidate", headers=headers)
    # Valorous Presence
    if args.cast in ("all", "both", "presence", "valorousPresence"):
        skill = requests.post(args.baseurl + "user/class/cast/valorousPresence", headers=headers)
elif req.json()['data']['stats']['class'] == "rogue":
    if args.cast not in ("all", "both", "tools", "toolsOfTrade", "toolsofthetrade"):
        print("Skill requested not available in character class")
        sys.exit(1)
    # Tools of the Trade
    if args.cast in ("all", "both", "tools", "toolsOfTrade", "toolsofthetrade"):
        skill = requests.post(args.baseurl + "user/class/cast/toolsOfTrade", headers=headers)
elif req.json()['data']['stats']['class'] == "healer":
    if args.cast not in ("all", "both", "protect", "protectAura", "protectiveaura", "blessing", "healAll"):
        print("Skill requested not available in character class")
        sys.exit(1)
    # Protective Aura
    if args.cast in ("all", "both", "protect", "protectAura", "protectiveaura"):
        skill = requests.post(args.baseurl + "user/class/cast/protectAura", headers=headers)
    # Blessing
    if args.cast in ("all", "both", "blessing", "healAll"):
        skill = requests.post(args.baseurl + "user/class/cast/healAll", headers=headers)
