import gradio as gr
import torch
from transformers import pipeline as hf_pipeline, AutoModelForSequenceClassification, AutoTokenizer
from PIL import Image
import io
import easyocr
import numpy as np
import pandas as pd

# ——— Load and preprocess NRC EmoLex ——————————————————————————————————
# Make sure this filename matches exactly what you’ve uploaded
EMOLEX_PATH = "NRC-Emotion-Lexicon-Wordlevel-v0.92.txt"

# Load the raw triples
emo_raw = pd.read_csv(
    EMOLEX_PATH,
    sep="\t",
    names=["word","emotion","flag"],
    comment="#",      # skip any commented lines
    header=None
)

# Pivot: word → { emotion: 0 or 1, … }
emo_df = (
    emo_raw
    .pivot(index="word", columns="emotion", values="flag")
    .fillna(0)
    .astype(int)
)

# Final lookup dict: EMOLEX["happy"]["joy"] == 1
EMOLEX = emo_df.to_dict(orient="index")
def score_emolex(text_lower):
    # count how many times each emotion appears in the lexicon
    counts = {emo: 0 for emo in emo_df.columns}
    for tok in text_lower.split():
        if tok in EMOLEX:
            for emo, flag in EMOLEX[tok].items():
                counts[emo] += flag
    return counts

# ——— 1) Emotion Pipeline ————————————————————————————————————————————————
emotion_pipeline = hf_pipeline(
    "text-classification",
    model="j-hartmann/emotion-english-distilroberta-base",
    top_k=None,
    truncation=True
)

def get_emotion_profile(text):
    results = emotion_pipeline(text)
    if isinstance(results, list) and isinstance(results[0], list):
        results = results[0]
    return {r["label"].lower(): round(r["score"], 3) for r in results}

# apology keywords for pleading concern
APOLOGY_KEYWORDS = ["sorry", "apolog", "forgive"]

# ——— 2) Abuse-Patterns Model ——————————————————————————————————————————————
model_name = "SamanthaStorm/tether-multilabel-v3"
model = AutoModelForSequenceClassification.from_pretrained(model_name)
tokenizer = AutoTokenizer.from_pretrained(model_name, use_fast=False)

LABELS = [
    "blame shifting", "contradictory statements", "control", "dismissiveness",
    "gaslighting", "guilt tripping", "insults", "obscure language",
    "projection", "recovery phase", "threat"
]

THRESHOLDS = {
    "blame shifting": 0.28,
    "contradictory statements": 0.27,
    "control": 0.08,
    "dismissiveness": 0.32,
    "gaslighting": 0.27,
    "guilt tripping": 0.31,
    "insults": 0.10,
    "obscure language": 0.55,
    "projection": 0.09,
    "recovery phase": 0.33,
    "threat": 0.15
}

# ——— 3) Initialize EasyOCR reader ————————————————————————————————————————————
ocr_reader = easyocr.Reader(["en"], gpu=False)

# ——— 4) Emotional-Tone Tagging —————————————————————————————————————————————
def get_emotional_tone_tag(emotion_profile, patterns, text_lower):
    """
    Assigns one of 18 nuanced tone categories based on
    model scores, NRC-EmoLex counts, detected patterns, and text.
    """
    # unpack model emotion scores
    sadness  = emotion_profile.get("sadness",  0)
    joy      = emotion_profile.get("joy",      0)
    neutral  = emotion_profile.get("neutral",  0)
    disgust  = emotion_profile.get("disgust",  0)
    anger    = emotion_profile.get("anger",    0)
    fear     = emotion_profile.get("fear",     0)
    surprise = emotion_profile.get("surprise", 0)

    # count lexicon hits for the big five
    words = text_lower.split()
    lex_counts = {
        emo: sum(EMOLEX.get(w, {}).get(emo, 0) for w in words)
        for emo in ["anger","joy","sadness","fear","disgust"]
    }

    # 0. Support override: explicit keywords or detected joy in lexicon
    if any(k in text_lower for k in ["support", "hope", "grace"]) or lex_counts["joy"] > 0:
        return "supportive"

    # 1. Performative Regret
    if (sadness > 0.4 or lex_counts["sadness"] > 1) \
       and any(p in patterns for p in ["blame shifting","guilt tripping","recovery phase"]):
        return "performative regret"

    # 2. Coercive Warmth
    if ((joy > 0.3 or lex_counts["joy"] > 1) or (sadness > 0.4 or lex_counts["sadness"] > 1)) \
       and any(p in patterns for p in ["control","gaslighting"]):
        return "coercive warmth"

    # 3. Cold Invalidation
    if ((neutral + disgust) > 0.5 or lex_counts["disgust"] > 1) \
       and any(p in patterns for p in ["dismissiveness","projection","obscure language"]):
        return "cold invalidation"

    # 4. Genuine Vulnerability
    if ((sadness + fear) > 0.5 or (lex_counts["sadness"] + lex_counts["fear"]) > 1) \
       and all(p == "recovery phase" for p in patterns):
        return "genuine vulnerability"

    # 5. Emotional Threat
    if ((anger + disgust) > 0.5 or (lex_counts["anger"] + lex_counts["disgust"]) > 1) \
       and any(p in patterns for p in ["control","threat","insults","dismissiveness"]):
        return "emotional threat"

    # 6. Weaponized Sadness
    if (sadness > 0.6 or lex_counts["sadness"] > 2) \
       and any(p in patterns for p in ["guilt tripping","projection"]):
        return "weaponized sadness"

    # 7. Toxic Resignation
    if (neutral > 0.5) and any(p in patterns for p in ["dismissiveness","obscure language"]):
        return "toxic resignation"

    # 8. Indignant Reproach
    if (anger > 0.5 or lex_counts["anger"] > 1) \
       and any(p in patterns for p in ["guilt tripping","contradictory statements"]):
        return "indignant reproach"

    # 9. Confrontational
    if (anger > 0.6 or lex_counts["anger"] > 1) and patterns:
        return "confrontational"

    # 10. Passive Aggression
    if (neutral > 0.6) and any(p in patterns for p in ["dismissiveness","projection"]):
        return "passive aggression"

    # 11. Sarcastic Mockery
    if (joy > 0.3 or lex_counts["joy"] > 1) and "insults" in patterns:
        return "sarcastic mockery"

    # 12. Menacing Threat
    if (fear > 0.3 or lex_counts["fear"] > 0) and "threat" in patterns:
        return "menacing threat"

    # 13. Pleading Concern
    if (sadness > 0.3 or lex_counts["sadness"] > 0) \
       and any(k in text_lower for k in APOLOGY_KEYWORDS) \
       and not patterns:
        return "pleading concern"

    # 14. Fear-mongering
    if ((fear + disgust) > 0.5 or (lex_counts["fear"] + lex_counts["disgust"]) > 1) \
       and "projection" in patterns:
        return "fear-mongering"

    # 15. Disbelieving Accusation
    if (surprise > 0.3 or lex_counts.get("surprise",0) > 0) \
       and "blame shifting" in patterns:
        return "disbelieving accusation"

    # 16. Empathetic Solidarity
    if (joy > 0.2 and sadness > 0.2) \
       and (lex_counts["joy"] > 0 and lex_counts["sadness"] > 0) \
       and not patterns:
        return "empathetic solidarity"

    # 17. Assertive Boundary
    if (anger > 0.4 or lex_counts["anger"] > 0) and "control" in patterns:
        return "assertive boundary"

    # 18. Stonewalling
    if neutral > 0.7 and not patterns:
        return "stonewalling"

    return None

# ——— 5) Single message analysis ———————————————————————————————————————————
def analyze_message(text):
    text_lower = text.lower()
    emotion_profile = get_emotion_profile(text)
    # 2a. get lexicon counts
    lex_counts = score_emolex(text_lower)
    max_lex    = max(lex_counts.values()) or 1.0    # avoid div0

    # 2b. normalize them to [0,1]
    lex_scores = {emo: cnt / max_lex for emo, cnt in lex_counts.items()}

    # 2c. blend: take the max of transformer & lexicon
    for emo in emotion_profile:
        emotion_profile[emo] = max(emotion_profile[emo], lex_scores.get(emo, 0))
    toks = tokenizer(text, return_tensors="pt", truncation=True, padding=True)
    with torch.no_grad():
        logits = model(**toks).logits.squeeze(0)
    scores = torch.sigmoid(logits).cpu().numpy()
    active_patterns = [label for label, prob in zip(LABELS, scores) if prob >= THRESHOLDS[label]]
    if any(k in text_lower for k in APOLOGY_KEYWORDS) and "recovery phase" not in active_patterns:
        active_patterns.append("recovery phase")
    tone_tag = get_emotional_tone_tag(emotion_profile, active_patterns, text_lower)
    return {"emotion_profile": emotion_profile, "active_patterns": active_patterns, "tone_tag": tone_tag}

# ——— 6) Composite wrapper ———————————————————————————————————————————————
def analyze_composite(uploaded_file, *texts):
    outputs = []
    if uploaded_file is not None:
        try:
            raw = uploaded_file.read()
        except Exception:
            with open(uploaded_file, "rb") as f:
                raw = f.read()

        name = (
            uploaded_file.name.lower() if hasattr(uploaded_file, "name") else uploaded_file.lower()
        )
        if name.endswith((".png",".jpg",".jpeg",".tiff",".bmp",".gif")):
            img = Image.open(io.BytesIO(raw))
            arr = np.array(img.convert("RGB"))
            texts_ocr = ocr_reader.readtext(arr, detail=0)
            content = "\n".join(texts_ocr)
        else:
            try:
                content = raw.decode("utf-8")
            except UnicodeDecodeError:
                content = raw.decode("latin-1")

        r = analyze_message(content)
        outputs.append(
            "── Uploaded File ──\n"
            f"Emotion Profile : {r['emotion_profile']}\n"
            f"Active Patterns : {r['active_patterns']}\n"
            f"Emotional Tone  : {r['tone_tag']}\n"
        )
    for idx, txt in enumerate(texts, start=1):
        if not txt:
            continue
        r = analyze_message(txt)
        outputs.append(
            f"── Message {idx} ──\n"
            f"Emotion Profile : {r['emotion_profile']}\n"
            f"Active Patterns : {r['active_patterns']}\n"
            f"Emotional Tone  : {r['tone_tag']}\n"
        )
    if not outputs:
        return "Please enter at least one message."
    return "\n".join(outputs)

# ——— 7) Gradio interface ———————————————————————————————————————————————
message_inputs = [gr.Textbox(label="Message")]
iface = gr.Interface(
    fn=analyze_composite,
    inputs=[gr.File(file_types=[".txt",".png",".jpg",".jpeg"], label="Upload text or image")] + message_inputs,
    outputs=gr.Textbox(label="Analysis"),
    title="Tether Analyzer (extended tone tags)",
    description="Emotion profiling, pattern tags, and a wide set of nuanced tone categories—no abuse score or DARVO."
)

if __name__ == "__main__":
    iface.launch()