app.py

import gradio as gr

# Custom CSS for styling
css = """
    .criteria-name {
        font-size: 18px;
        font-weight: bold;
        margin-bottom: 4px;
    }
    .criteria-description {
        font-size: 14px;
        color: #555;
        margin-bottom: 12px;
    }
    .subcriteria {
        margin-bottom: 20px;
        padding: 10px;
        border-bottom: 1px solid #eee;
    }
    .category-header {
        margin-top: 30px;
        margin-bottom: 10px;
        font-size: 20px;
        font-weight: bold;
        border-bottom: 2px solid #ccc;
        padding-bottom: 4px;
    }
    .app-header {
        text-align: center;
        margin-bottom: 30px;
    }
"""

# Define criteria grouped by category with names and descriptions
criteria = {
    "Writing": [
        {"name": "Dialogue", "description": "Word choice, realism, subtext, and implications."},
        {"name": "Screenwriting", "description": "Structure, plot progression, and narrative choices."},
        {"name": "Character Development", "description": "Depth, relatability, motivations, and arcs."},
        {"name": "Theme & Symbolism", "description": "Use of deeper meaning, metaphors, and thematic consistency."}
    ],
    "Cinematography": [
        {"name": "Camera Work", "description": "Shot composition, stability, movement, and angles."},
        {"name": "Lighting", "description": "Contrast, exposure control, and mood-setting."},
        {"name": "Color Grading", "description": "Palette consistency, contrast, and emotional tone."},
        {"name": "Framing & Aspect Ratio", "description": "Use of space, focus, and visual storytelling."}
    ],
    "Editing & Pacing": [
        {"name": "Scene Transitions", "description": "Smoothness, creativity, and effectiveness."},
        {"name": "Continuity", "description": "Logical flow and lack of visual inconsistencies."},
        {"name": "Pacing", "description": "Balance between slow and fast scenes, engagement level."},
        {"name": "Use of Montage", "description": "Storytelling efficiency via edited sequences."}
    ],
    "Sound": [
        {"name": "Dialogue Mixing", "description": "Clarity, balance, and intelligibility of speech."},
        {"name": "Foley & Sound Effects", "description": "Realism, accuracy, and integration into the world."},
        {"name": "Score & Music", "description": "Uniqueness, memorability, and emotional impact."},
        {"name": "Spatial Audio & Atmosphere", "description": "Immersion, ambient sound accuracy, and use of silence."}
    ],
    "Directing & Performance": [
        {"name": "Directing", "description": "Cohesion of vision, creative choices, and execution."},
        {"name": "Acting", "description": "Expression, dialogue delivery, and emotional depth."},
        {"name": "Blocking & Staging", "description": "Character positioning, movement, and scene composition."},
        {"name": "Action & Stunt Choreography", "description": "Realism, execution, and visual readability."}
    ],
    "Production & Visuals": [
        {"name": "Production Design", "description": "Set design, world-building, and authenticity."},
        {"name": "Costume & Makeup", "description": "Period accuracy, character enhancement, and detailing."},
        {"name": "Practical Effects & Props", "description": "Use of real elements over CGI, believability."},
        {"name": "VFX & CGI Integration", "description": "Quality, realism, and seamless blending."}
    ],
    "Engagement & Replay Value": [
        {"name": "Plot", "description": "Uniqueness, engagement, predictability, and emotional weight."},
        {"name": "Originality", "description": "Avoidance of clichés, fresh storytelling, and innovation."},
        {"name": "Rewatchability", "description": "Whether the movie holds up over multiple viewings."},
        {"name": "Emotional Impact", "description": "Strength of connection, intensity of response."}
    ]
}

def calculate_score(*ratings):
    # Exclude blank ratings (value 0 means not rated)
    valid = [r for r in ratings if r and r > 0]
    if not valid:
        return "<h2 style='text-align:center;'>Please rate at least one criterion.</h2>"
    avg = sum(valid) / len(valid)
    
    scaled_score = (1/18) * (avg ** 2) + (19/18) * avg - (1/9)    
    return f"<h2 style='text-align:center;'>Final Scaled Score: {scaled_score:.2f} / 10</h2>"

with gr.Blocks(css=css, title="Movie Rating System") as demo:
    gr.HTML("<h1 class='app-header'>Movie Rating System</h1>")
    rating_components = []
    # Loop over each category and its subcriteria
    for group, subcriteria in criteria.items():
        gr.HTML(f"<div class='category-header'>{group}</div>")
        for crit in subcriteria:
            with gr.Column(elem_classes="subcriteria"):
                gr.HTML(f"<div class='criteria-name'>{crit['name']}</div>")
                gr.HTML(f"<div class='criteria-description'>{crit['description']}</div>")
                # Star rating component (0 means not rated)
                rating = gr.Rating(num_stars=7, value=0, label="")
                rating_components.append(rating)
                
    calculate_btn = gr.Button("Calculate Score")
    output = gr.HTML("", elem_classes="app-header")
    
    calculate_btn.click(fn=calculate_score, inputs=rating_components, outputs=output)

demo.launch()