import streamlit as st
import streamlit.components.v1 as components

from config import DEFAULT_ICON
from shared_page import common_page_config

from domain.playoffs import (
    PLAYOFF_WEEK_TO_NAME,
    CURRENT_PLAYOFF_WEEK,
)
from login import check_password
from data_storage import update_selection, get_user_team

from load_options import load_options, PlayerOption, display_player


def set_selectbox_readonly():
    components.html(
        """
<script>
    function formatSelectBox() {
        const matches = window.parent.document.querySelectorAll("input");
        matches.forEach((input) => {
            input.setAttribute("readonly", "true");
        });

    }
    formatSelectBox();

</script>
    """,
        width=0,
        height=0,
    )


def format_player_option(player_opt: PlayerOption) -> str:
    return f"{player_opt.full_name} - {player_opt.team}"


def position_cell(
    week: str, pos_str: str, pos_idx: int, options_map: dict[str, dict[int, list[PlayerOption]]], existing_selection_map
):
    pos_label = f"{week}-{pos_str}-{pos_idx}"
    selected_id = existing_selection_map.get(pos_label)
    options_list = options_map[pos_str][int(week)]
    non_locked_options = [x for x in options_list if not x.is_locked()]
    disabled = False
    # get selected player by id from options
    try:
        selected_player = next(v for v in options_list if str(selected_id) == str(v.gsis_id))
    except Exception:
        selected_player = PlayerOption.empty_player()

    if int(week) > CURRENT_PLAYOFF_WEEK:
        # future week, no options
        options = []
        selected_option_idx = 0
        disabled = True
    elif int(week) < CURRENT_PLAYOFF_WEEK or selected_player.is_locked():
        # past week, can't change
        options = [selected_player]
        selected_option_idx = 0
        disabled = True
    else:
        options = non_locked_options
        # set to index of current select.  This should exist, but try-except for safety
        try:
            selected_option_idx = non_locked_options.index(selected_player)
        except ValueError:
            selected_option_idx = 0

    selected_player_from_box = st.selectbox(
        pos_str,
        options=options,
        format_func=format_player_option,
        index=selected_option_idx,
        key=pos_label,
        disabled=disabled,
    )
    if selected_player_from_box and int(week) == CURRENT_PLAYOFF_WEEK:
        if selected_player_from_box.gsis_id and selected_player_from_box.gsis_id != selected_id:
            if selected_player_from_box.is_locked():
                st.warning("Sorry player's game has already started", icon="🚨")
                display_player(selected_player)
                return
            elif selected_player_from_box.gsis_id in existing_selection_map.values():
                st.warning("Player already in lineup.  Please choose another.", icon="🚨")
                display_player(selected_player)
                return
            else:
                update_and_save_selection(pos_label, selected_player_from_box.gsis_id),
        display_player(selected_player_from_box)
    else:
        display_player(selected_player)


def update_and_save_selection(pos_label: str, selection_id: str):
    update_selection(st.session_state["logged_in_user"], pos_label, selection_id)
    st.rerun()


def week_selections(week, player_options, existing_selections):
    selection_cols = st.columns(8)

    with selection_cols[0]:
        position_cell(week, "QB", 1, player_options, existing_selections)
    with selection_cols[1]:
        position_cell(week, "RB", 1, player_options, existing_selections)
    with selection_cols[2]:
        position_cell(week, "RB", 2, player_options, existing_selections)
    with selection_cols[3]:
        position_cell(week, "WR", 1, player_options, existing_selections)
    with selection_cols[4]:
        position_cell(week, "WR", 2, player_options, existing_selections)
    with selection_cols[5]:
        position_cell(week, "TE", 1, player_options, existing_selections)
    with selection_cols[6]:
        position_cell(week, "K", 1, player_options, existing_selections)
    with selection_cols[7]:
        position_cell(week, "DEF", 1, player_options, existing_selections)


def get_page():
    page_title = "Select Your Team"
    st.set_page_config(page_title=page_title, page_icon=DEFAULT_ICON, layout="wide")
    common_page_config()
    if not check_password():
        st.write("Sorry, you must be logged in first to play")
        st.stop()

    st.title(page_title)

    if st.button("Refresh Data"):
        st.rerun()
    existing_selections = get_user_team(st.session_state["logged_in_user"])

    player_options = load_options()

    for week in range(1, 5):
        existing_week_selections = {k: v for k, v in existing_selections.items() if k[0] == str(week)}
        st.header(PLAYOFF_WEEK_TO_NAME[week])
        if week < CURRENT_PLAYOFF_WEEK:
            with st.expander("Show Previous Week"):
                week_selections(week, player_options, existing_week_selections)
        else:
            week_selections(week, player_options, existing_week_selections)

    set_selectbox_readonly()


if __name__ == "__main__":
    get_page()