"""
Minimalist, Math-First UI Components for ARF OSS
Designed for engineers, not marketers.

Principles:
- Deterministic layout
- Low visual entropy
- Computational semantics
- OSS-first credibility
"""

import gradio as gr
from typing import List, Dict, Any


# ============================================================
# HEADER
# ============================================================
def create_header() -> gr.HTML:
    return gr.HTML(
        """
        <div style="font-family: monospace; padding-bottom: 8px;">
            <strong>ARF v3.3.6 (OSS)</strong> · Agentic Reliability Engine<br/>
            Status: <span style="color: #2ecc71;">READY</span>
        </div>
        <hr/>
        """
    )


# ============================================================
# STATUS BAR
# ============================================================
def create_status_bar() -> gr.HTML:
    return gr.HTML(
        """
        <div style="font-family: monospace; font-size: 13px;">
            core=active | mode=oss | audit=enabled
        </div>
        """
    )


# ============================================================
# TAB 1 — INCIDENT INPUT & EXECUTION
# ============================================================
def create_tab1_incident_demo():
    with gr.Column():
        gr.Markdown("### 1. Incident Input", elem_classes=["mono"])

        scenario = gr.Dropdown(
            label="Incident Scenario",
            choices=[
                "cache_miss_storm",
                "database_connection_leak",
                "api_rate_limit_spike",
                "memory_pressure_event",
            ],
            value="cache_miss_storm",
        )

        mode = gr.Radio(
            label="Execution Mode",
            choices=["advisory", "approval", "autonomous"],
            value="advisory",
        )

        gr.Markdown("### 2. Execute Analysis")

        run_btn = gr.Button("Run Analysis", variant="primary")

        return {
            "scenario": scenario,
            "mode": mode,
            "run_btn": run_btn,
        }


# ============================================================
# TAB 2 — BUSINESS IMPACT (OSS SAFE)
# ============================================================
def create_tab2_business_roi():
    with gr.Column():
        gr.Markdown("### Estimated Impact (Model-Derived)")

        output = gr.Markdown(
            """
            Loss Rate: $0 / hour  
            Recovery Time: N/A  
            Confidence Interval: N/A
            """,
            elem_classes=["mono"],
        )

        return {"roi_output": output}


# ============================================================
# TAB 3 — ENTERPRISE FEATURES (LOCKED)
# ============================================================
def create_tab3_enterprise_features():
    with gr.Column():
        gr.Markdown("### Enterprise Capabilities (Unavailable in OSS)")

        gr.Markdown(
            """
            - Autonomous execution  
            - Multi-agent arbitration  
            - Policy enforcement  
            - SLA-backed recovery  

            _This OSS build exposes intent only._
            """,
            elem_classes=["mono"],
        )


# ============================================================
# TAB 4 — AUDIT TRAIL
# ============================================================
def create_tab4_audit_trail():
    with gr.Column():
        gr.Markdown("### Execution Trace")

        audit_log = gr.Dataframe(
            headers=["phase", "status", "Δt (ms)"],
            datatype=["str", "str", "number"],
            row_count=5,
        )

        return {"audit_log": audit_log}


# ============================================================
# TAB 5 — LEARNING ENGINE
# ============================================================
def create_tab5_learning_engine():
    with gr.Column():
        gr.Markdown("### Learning Engine State")

        gr.Markdown(
            """
            memory_vectors: enabled  
            outcome_feedback: passive  
            model_updates: disabled (OSS)
            """,
            elem_classes=["mono"],
        )


# ============================================================
# FOOTER
# ============================================================
def create_footer() -> gr.HTML:
    return gr.HTML(
        """
        <hr/>
        <div style="font-family: monospace; font-size: 12px;">
            ARF OSS · Apache-2.0 · 2025
        </div>
        """
    )