from redbot.core import commands
import discord
import requests
from itertools import islice

class Tiamat(commands.Cog):
    """ Get information from D&D 5e's srd """

    def __init__(self, bot):
        self.bot = bot

    @commands.command()
    async def monster(self, ctx, *args):
        name = '-'.join(args).lower()
        data = requests.get(f"https://www.dnd5eapi.co/api/monsters/{name}").json()
        if "error" in data:
            await ctx.send(f"{' '.join(args)} not found, check that the name is spelled right and that the creature "
                           f"is in the System Reference Document")
        else:
            initial_embed = discord.Embed(title=data["name"])
            initial_embed.add_field(name="HP", value=data["hit_points"])
            initial_embed.add_field(name="AC", value=data["armor_class"])
            for ability in ["strength", "dexterity", "constitution", "intelligence", "wisdom", "charisma"]:
                initial_embed.add_field(name=ability, value=data[ability], inline=True)
            attack_embeds = []
            for i, action_group in enumerate(chunk([action for action in data["actions"]
                                                    if action["name"] != "Lair Actions"], 3)):
                attack_embed = discord.Embed(title=f"Actions [{i}]")
                for action in action_group:
                    attack_embed.add_field(name=action["name"], value=action["desc"])
                attack_embeds.append(attack_embed)
            legendary_embeds = []
            if "legendary_actions" in data:
                for i, action_group in enumerate(chunk(data["legendary_actions"], 3)):
                    attack_embed = discord.Embed(title=f"Legendary Actions [{i}]")
                    for action in action_group:
                        attack_embed.add_field(name=action["name"], value=action["desc"])
                    legendary_embeds.append(attack_embed)
            await ctx.send(embed=initial_embed)
            for attack_embed in attack_embeds:
                await ctx.send(embed=attack_embed)
            for legendary_embed in legendary_embeds:
                await ctx.send(embed=legendary_embed)

    @commands.command()
    async def spell(self, ctx, *args):
        name = '-'.join(args).lower()
        data = requests.get(f"https://www.dnd5eapi.co/api/spells/{name}").json()
        if "error" in data:
            await ctx.send(f"{' '.join(args)} not found, check that the name is spelled right and that the spell "
                           f"is in the System Reference Document")
        else:
            embed = discord.Embed(title=data["name"])
            embed.add_field(name="Level", value=data["level"], inline=True)
            embed.add_field(name="Range", value=data["range"], inline=True)
            embed.add_field(name="Components", value=', '.join(data["components"]), inline=False)
            if "material" in data:
                embed.add_field(name="Material Components", value=data["material"], inline=False)
            embed.add_field(name="Description", value=data["desc"][0], inline=False)
            if "higher_level" in data:
                embed.add_field(name="Upcasting", value=data["higher_level"][0], inline=False)
            embed.add_field(name="School", value=data["school"]["name"], inline=True)
            embed.add_field(name="Ritual", value=data["ritual"], inline=True)
            embed.add_field(name="Classes", value=', '.join(i["name"] for i in data["classes"]), inline=False)
            embed.add_field(name="Subclasses", value=', '.join(i["name"] for i in data["subclasses"]), inline=False)
            await ctx.send(embed=embed)

    @commands.command()
    async def armour(self, ctx, *args):
        name = '-'.join(args).lower().replace("-armor", "").replace("-armour", "")
        data = requests.get(f"https://www.dnd5eapi.co/api/equipment/{name}").json()
        if "error" in data:
            await ctx.send(f"{' '.join(args)} not found, check that the name is spelled right and that the spell "
                           f"is in the System Reference Document")
        try:
            embed = discord.Embed(title=data["name"])
            embed.add_field(name="Category", value=data["armor_category"], inline=False)
            embed.add_field(name="Base", value=data["armor_class"]["base"], inline=True)
            if data["armor_class"]["max_bonus"] is not None:
                embed.add_field(name="Max Dex Bonus", value=data["armor_class"]["max_bonus"], inline=True)
            embed.add_field(name="Cost", value=f"""{data["cost"]["quantity"]} {data["cost"]["unit"]}""", inline=False)
            embed.add_field(name="Strength Minimum", value=data["str_minimum"], inline=True)
            embed.add_field(name="Stealth Disadvantage", value=data["stealth_disadvantage"], inline=True)
            embed.add_field(name="Weight", value=data["weight"], inline=True)
            await ctx.send(embed=embed)
        except KeyError:
            await ctx.send("Error: item is not armour")

    @commands.command()
    async def weapon(self, ctx, *args):
        name = '-'.join(args).lower().replace("-armor", "").replace("-armour", "")
        data = requests.get(f"https://www.dnd5eapi.co/api/equipment/{name}").json()
        if "error" in data:
            await ctx.send(f"{' '.join(args)} not found, check that the name is spelled right and that the spell "
                           f"is in the System Reference Document")
        try:
            embed = discord.Embed(title=data["name"])
            embed.add_field(name="Category", value=data["weapon_category"], inline=False)
            embed.add_field(name="Range", value=data["weapon_range"], inline=True)
            embed.add_field(name="Damage", value=f'{data["damage"]["damage_dice"]} ' +
                                                 f'{data["damage"]["damage_type"]["name"]}', inline=True)
            if "two_handed_damage" in data:
                embed.add_field(name="Two Handed Damage", value=data["two_handed_damage"]["damage_dice"], inline=True)
            embed.add_field(name="Properties", value=', '.join(i["name"] for i in data["properties"]), inline=False)
            if data["weapon_range"] != "Melee":
                embed.add_field(name="Normal Range", value=data["range"]["normal"], inline=True)
                embed.add_field(name="Long Range", value=data["range"]["Long"], inline=True)
            embed.add_field(name="Cost", value=f"""{data["cost"]["quantity"]} {data["cost"]["unit"]}""", inline=False)
            embed.add_field(name="Weight", value=data["weight"], inline=False)
            await ctx.send(embed=embed)
        except KeyError:
            await ctx.send("Error: item is not a weapon")


def chunk(it, size):
    it = iter(it)
    return iter(lambda: tuple(islice(it, size)), ())