from typing import Literal

from flask_openapi3 import APIBlueprint, Tag
from pydantic import BaseModel, Field

from swingmusic.db.userdata import MixTable
from swingmusic.plugins.mixes import MixesPlugin
from swingmusic.store.homepage import HomepageStore

bp_tag = Tag(name="Mixes Plugin", description="Mixes plugin hehe")
api = APIBlueprint(
    "mixesplugin", __name__, url_prefix="/plugins/mixes", abp_tags=[bp_tag]
)


class GetMixesBody(BaseModel):
    mixtype: Literal["artists", "tracks"] = Field(description="The type of mix")


@api.get("/<mixtype>")
def get_artist_mixes(path: GetMixesBody):
    srcmixes = MixTable.get_all(with_userid=True)
    mixes = []

    if path.mixtype == "artists":
        mixes = [mix.to_dict(convert_timestamp=True) for mix in srcmixes]
    elif path.mixtype == "tracks":
        plugin = MixesPlugin()

        for mix in srcmixes:
            custom_mix = plugin.get_track_mix(mix)
            if custom_mix:
                mixes.append(custom_mix.to_dict(convert_timestamp=True))

    seen_mixids = set()

    # filter duplicates by trackshash
    final_mixes = []
    for mix in mixes:
        # INFO: Ignore duplicates for artist mixes
        if mix["id"] in seen_mixids and path.mixtype == "tracks":
            continue

        final_mixes.append(mix)
        seen_mixids.add(mix["id"])

    return final_mixes


class MixQuery(BaseModel):
    mixid: str = Field(description="The mix id")
    sourcehash: str = Field(description="The sourcehash of the mix")


@api.get("/")
def get_mix(query: MixQuery):
    mixtype = ""

    match query.mixid[0]:
        case "a":
            mixtype = "artist_mixes"
        case "t":
            mixtype = "custom_mixes"
        case _:
            return {"msg": "Invalid mix ID"}, 400

    # INFO: Check if the mix is already in the homepage store
    mix = HomepageStore.get_mix(mixtype, query.mixid)
    if mix and mix["sourcehash"] == query.sourcehash:
        return mix, 200

    # INF0: Get the mix from the db
    mix = MixTable.get_by_sourcehash(query.sourcehash)

    if not mix:
        return {"msg": "Mix not found"}, 404

    if mixtype == "custom_mixes":
        mix = MixesPlugin.get_track_mix(mix)

        if not mix:
            return {"msg": "Mix not found"}, 404

    return mix.to_full_dict(), 200


class SaveMixRequest(BaseModel):
    mixid: str = Field(description="The id of the mix")
    type: str = Field(description="The type of mix")
    sourcehash: str = Field(description="The sourcehash of the mix")


@api.post("/save")
def save_mix(body: SaveMixRequest):
    mix_type = body.type
    mix_sourcehash = body.sourcehash

    if mix_type == "artist":
        state = MixTable.save_artist_mix(mix_sourcehash)
    elif mix_type == "track":
        state = MixTable.save_track_mix(mix_sourcehash)

    mix = HomepageStore.find_mix(body.mixid)

    if mix:
        mix.saved = state
    return {"msg": "Mixes saved"}, 200