"""
Brand theming for the AI Messaging System Visualization Tool.
"""

import streamlit as st

BRAND_CONFIG = {
    "drumeo": {
        "color": "#E84545",
        "light": "#FDEAEA",
        "emoji": "🥁",
        "label": "Drumeo",
    },
    "pianote": {
        "color": "#4A90D9",
        "light": "#EAF3FC",
        "emoji": "🎹",
        "label": "Pianote",
    },
    "guitareo": {
        "color": "#F5A623",
        "light": "#FEF6E7",
        "emoji": "🎸",
        "label": "Guitareo",
    },
    "singeo": {
        "color": "#7B68EE",
        "light": "#F0EEFF",
        "emoji": "🎤",
        "label": "Singeo",
    },
    "playbass": {
        "color": "#3DAA5C",
        "light": "#E8F7ED",
        "emoji": "🎸",
        "label": "Playbass",
    },
    "all": {
        "color": "#555555",
        "light": "#F5F5F5",
        "emoji": "🎵",
        "label": "All Brands",
    },
}

CAMPAIGN_LABELS = {
    "dailyPush_dailyStreak": "Daily Streak",
    "dailyPush_weeklyStreak": "Weekly Streak",
    "dailyPush_noStreak": "No Streak (Re-engagement)",
    "all": "All Campaigns",
}

ALL_BRANDS = ["all", "drumeo", "pianote", "guitareo", "singeo", "playbass"]
ALL_CAMPAIGNS = [
    "all",
    "dailyPush_dailyStreak",
    "dailyPush_weeklyStreak",
    "dailyPush_noStreak",
]

# Scenarios per campaign, applied client-side after data load.
# Detection uses the RECOMMENDATION column in DAILY_PUSH_MESSAGES.
# For weeklyStreak: RECOMMENDATION == 'for_you' → no_practice_this_week
CAMPAIGN_SCENARIOS = {
    "all": [],
    "dailyPush_dailyStreak": [],  # single scenario, no sub-filter needed
    "dailyPush_weeklyStreak": [
        ("all", "All"),
        ("practiced_this_week", "Practiced This Week"),
        ("no_practice_this_week", "No Practice This Week"),
    ],
    "dailyPush_noStreak": [],
}


def get_scenarios(campaign: str) -> list:
    """Return scenario (key, label) pairs for a given campaign."""
    return CAMPAIGN_SCENARIOS.get(campaign, [])


def detect_scenario(recommendation_value) -> str:
    """
    Detect the weekly-streak sub-scenario from the RECOMMENDATION column.

    RECOMMENDATION == 'for_you'  → user hasn't practiced this week
    anything else                → user has practiced this week
    """
    s = str(recommendation_value or "").strip().lower()
    return "no_practice_this_week" if s == "for_you" else "practiced_this_week"


def get_brand(brand: str) -> dict:
    return BRAND_CONFIG.get(brand.lower() if brand else "all", BRAND_CONFIG["all"])


def get_campaign_label(campaign: str) -> str:
    return CAMPAIGN_LABELS.get(campaign, campaign)


def inject_global_css():
    """Inject shared CSS into the Streamlit app."""
    st.markdown(
        """
        <style>
        .msg-card {
            border: 1px solid #e0e0e0;
            border-radius: 12px;
            padding: 20px;
            margin-bottom: 18px;
            background: #ffffff;
            box-shadow: 0 1px 4px rgba(0,0,0,0.06);
        }
        .msg-preview {
            background: #f4f6f8;
            border-left: 4px solid #aaa;
            border-radius: 6px;
            padding: 12px 16px;
            margin: 10px 0;
        }
        .msg-header-text {
            font-size: 15px;
            font-weight: 700;
            margin: 0 0 5px 0;
            color: #1a1a1a;
        }
        .msg-body-text {
            font-size: 14px;
            color: #444;
            margin: 0;
        }
        .user-meta {
            font-size: 13px;
            color: #555;
            margin: 3px 0;
        }
        .streak-badge {
            display: inline-block;
            background: #fff3cd;
            border: 1px solid #ffc107;
            border-radius: 20px;
            padding: 2px 10px;
            font-size: 12px;
            font-weight: 600;
            margin-right: 6px;
        }
        .section-label {
            font-size: 11px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: #888;
            margin-bottom: 4px;
        }
        </style>
        """,
        unsafe_allow_html=True,
    )