# app.py
import gradio as gr
import pandas as pd
import os
import logging
from collections import defaultdict
import matplotlib
matplotlib.use('Agg') # Set backend for Matplotlib

# --- Module Imports ---
from utils.gradio_utils import get_url_user_token

# Functions from newly created/refactored modules
from config import (
    PLOT_ID_TO_FORMULA_KEY_MAP,
    LINKEDIN_CLIENT_ID_ENV_VAR,
    BUBBLE_APP_NAME_ENV_VAR,
    BUBBLE_API_KEY_PRIVATE_ENV_VAR,
    BUBBLE_API_ENDPOINT_ENV_VAR
)
# UPDATED: Using the new data loading function from the refactored state manager
from services.state_manager import load_data_from_bubble
from ui.ui_generators import (
    display_main_dashboard,
    build_analytics_tab_plot_area,
    BOMB_ICON, EXPLORE_ICON, FORMULA_ICON, ACTIVE_ICON
)
from ui.analytics_plot_generator import update_analytics_plots_figures, create_placeholder_plot
from formulas import PLOT_FORMULAS

# --- CHATBOT MODULE IMPORTS ---
from features.chatbot.chatbot_prompts import get_initial_insight_prompt_and_suggestions
from features.chatbot.chatbot_handler import generate_llm_response

# --- AGENTIC PIPELINE (DISPLAY ONLY) IMPORTS ---
try:
    # UPDATED: Using the new display function to show pre-computed results
    from run_agentic_pipeline import load_and_display_agentic_results
    from ui.insights_ui_generator import format_single_okr_for_display
    AGENTIC_MODULES_LOADED = True
except ImportError as e:
    logging.error(f"Could not import agentic pipeline display modules: {e}. Tabs 3 and 4 will be disabled.")
    AGENTIC_MODULES_LOADED = False
    # Placeholder for the new function name if imports fail
    def load_and_display_agentic_results(*args, **kwargs):
        # This tuple matches the expected number of outputs for the event handler
        return "Modules not loaded.", "Modules not loaded.", "Modules not loaded.", None, [], [], "Error"
    def format_single_okr_for_display(okr_data, **kwargs):
        return "Agentic modules not loaded. OKR display unavailable."

# --- ANALYTICS TAB MODULE IMPORT ---
from services.analytics_tab_module import AnalyticsTab

# Configure logging
logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(module)s - %(message)s')

# API Key Setup
user_provided_api_key = os.environ.get("GEMINI_API_KEY")
if user_provided_api_key:
    os.environ["GOOGLE_API_KEY"] = user_provided_api_key
    logging.info("GOOGLE_API_KEY environment variable has been set from GEMINI_API_KEY.")
else:
    logging.error("CRITICAL ERROR: The API key environment variable 'GEMINI_API_KEY' was not found.")


with gr.Blocks(theme=gr.themes.Soft(primary_hue="blue", secondary_hue="sky"),
               title="LinkedIn Organization Dashboard") as app:
    # --- STATE MANAGEMENT ---
    token_state = gr.State(value={
        "token": None, "client_id": None, "org_urn": None,
        "bubble_posts_df": pd.DataFrame(), "bubble_post_stats_df": pd.DataFrame(),
        "bubble_mentions_df": pd.DataFrame(), "bubble_follower_stats_df": pd.DataFrame(),
        "bubble_agentic_analysis_data": pd.DataFrame(), # To store agentic results from Bubble
        "url_user_token_temp_storage": None,
        # Config values remain useful for display components
        "config_date_col_posts": "published_at", "config_date_col_mentions": "date",
        "config_date_col_followers": "date", "config_media_type_col": "media_type",
        "config_eb_labels_col": "li_eb_label"
    })

    # States for analytics tab chatbot
    chat_histories_st = gr.State({})
    current_chat_plot_id_st = gr.State(None)
    plot_data_for_chatbot_st = gr.State({})

    # States for agentic results display
    orchestration_raw_results_st = gr.State(None) # Stores reconstructed report/OKR dict from Bubble
    key_results_for_selection_st = gr.State([])   # Stores list of dicts for KR selection
    selected_key_result_ids_st = gr.State([])     # Stores unique_kr_ids selected by the user

    # --- UI LAYOUT ---
    gr.Markdown("# 🚀 LinkedIn Organization Dashboard")
    # Hidden components to receive URL parameters
    url_user_token_display = gr.Textbox(label="User Token (Hidden)", interactive=False, visible=False)
    org_urn_display = gr.Textbox(label="Org URN (Hidden)", interactive=False, visible=False)
    # General status display
    status_box = gr.Textbox(label="Status", interactive=False, value="Initializing...")

    # Load URL parameters on page load
    app.load(fn=get_url_user_token, inputs=None, outputs=[url_user_token_display, org_urn_display], api_name="get_url_params", show_progress=False)

    # UPDATED: Simplified initial data loading sequence
    def initial_data_load_sequence(url_token, org_urn_val, current_state):
        # This function now only loads data from Bubble and updates the main dashboard display
        status_msg, new_state = load_data_from_bubble(url_token, org_urn_val, current_state)
        dashboard_content = display_main_dashboard(new_state)
        return status_msg, new_state, dashboard_content

    # Instantiate the AnalyticsTab module (no changes needed here)
    analytics_icons = {'bomb': BOMB_ICON, 'explore': EXPLORE_ICON, 'formula': FORMULA_ICON, 'active': ACTIVE_ICON}
    analytics_tab_instance = AnalyticsTab(
        token_state=token_state,
        chat_histories_st=chat_histories_st,
        current_chat_plot_id_st=current_chat_plot_id_st,
        plot_data_for_chatbot_st=plot_data_for_chatbot_st,
        plot_id_to_formula_map=PLOT_ID_TO_FORMULA_KEY_MAP,
        plot_formulas_data=PLOT_FORMULAS,
        icons=analytics_icons,
        fn_build_plot_area=build_analytics_tab_plot_area,
        fn_update_plot_figures=update_analytics_plots_figures,
        fn_create_placeholder_plot=create_placeholder_plot,
        fn_get_initial_insight=get_initial_insight_prompt_and_suggestions,
        fn_generate_llm_response=generate_llm_response
    )

    with gr.Tabs() as tabs:
        with gr.TabItem("1️⃣ Dashboard", id="tab_dashboard"):
            # REMOVED: Sync button and related UI components. This tab is now just for the main dashboard.
            gr.Markdown("I dati visualizzati in questo pannello sono caricati direttamente da Bubble.io.")
            dashboard_display_html = gr.HTML("<p style='text-align:center;'>Caricamento dashboard...</p>")

        # Use the AnalyticsTab module to create Tab 2
        analytics_tab_instance.create_tab_ui()

        # Tab 3: Agentic Analysis Report
        with gr.TabItem("3️⃣ Agentic Analysis Report", id="tab_agentic_report", visible=AGENTIC_MODULES_LOADED):
            gr.Markdown("## 🤖 Comprehensive Analysis Report (from Bubble.io)")
            agentic_pipeline_status_md = gr.Markdown("Status: Loading report data...", visible=True)
            gr.Markdown("Questo report è stato pre-generato da un agente AI e caricato da Bubble.io.")
            agentic_report_display_md = gr.Markdown("The AI-generated report will be displayed here once loaded.")
            if not AGENTIC_MODULES_LOADED:
                gr.Markdown("🔴 **Error:** Agentic pipeline display modules could not be loaded. This tab is disabled.")

        # Tab 4: Agentic OKRs & Tasks
        with gr.TabItem("4️⃣ Agentic OKRs & Tasks", id="tab_agentic_okrs", visible=AGENTIC_MODULES_LOADED):
            gr.Markdown("## 🎯 AI Generated OKRs and Actionable Tasks (from Bubble.io)")
            gr.Markdown("Basato sull'analisi AI pre-generata, l'agente ha proposto i seguenti OKR. Seleziona i Key Results per dettagli.")
            if not AGENTIC_MODULES_LOADED:
                gr.Markdown("🔴 **Error:** Agentic pipeline display modules could not be loaded. This tab is disabled.")
            with gr.Row():
                with gr.Column(scale=1):
                    gr.Markdown("### Suggested Key Results")
                    key_results_cbg = gr.CheckboxGroup(label="Select Key Results", choices=[], value=[], interactive=True)
                with gr.Column(scale=3):
                    gr.Markdown("### Detailed OKRs and Tasks for Selected Key Results")
                    okr_detail_display_md = gr.Markdown("I dettagli OKR appariranno qui dopo il caricamento dei dati.")

            # This handler logic for the CheckboxGroup remains the same, as it operates on loaded data.
            def update_okr_display_on_selection(selected_kr_unique_ids: list, raw_orchestration_results: dict, all_krs_for_selection: list):
                if not raw_orchestration_results or not AGENTIC_MODULES_LOADED:
                    return gr.update(value="Nessun dato di analisi caricato o moduli non disponibili.")
                actionable_okrs_dict = raw_orchestration_results.get("actionable_okrs")
                if not actionable_okrs_dict or not isinstance(actionable_okrs_dict.get("okrs"), list):
                    return gr.update(value="Nessun OKR trovato nei dati di analisi caricati.")

                okrs_list = actionable_okrs_dict["okrs"]
                if not all_krs_for_selection or not isinstance(all_krs_for_selection, list):
                    return gr.update(value="Errore interno: formato dati KR non valido.")

                kr_id_to_indices = {kr_info['unique_kr_id']: (kr_info['okr_index'], kr_info['kr_index']) for kr_info in all_krs_for_selection}
                selected_krs_by_okr_idx = defaultdict(list)
                if selected_kr_unique_ids:
                    for kr_unique_id in selected_kr_unique_ids:
                        if kr_unique_id in kr_id_to_indices:
                            okr_idx, kr_idx = kr_id_to_indices[kr_unique_id]
                            selected_krs_by_okr_idx[okr_idx].append(kr_idx)

                output_md_parts = []
                for okr_idx, okr_data in enumerate(okrs_list):
                    if not selected_kr_unique_ids: # Show all if nothing is selected
                        output_md_parts.append(format_single_okr_for_display(okr_data, accepted_kr_indices=None, okr_main_index=okr_idx))
                    elif okr_idx in selected_krs_by_okr_idx: # Show only OKRs that have a selected KR
                        accepted_indices = selected_krs_by_okr_idx.get(okr_idx)
                        output_md_parts.append(format_single_okr_for_display(okr_data, accepted_kr_indices=accepted_indices, okr_main_index=okr_idx))

                final_md = "\n\n---\n\n".join(output_md_parts) if output_md_parts else "Nessun OKR corrisponde alla selezione corrente."
                return gr.update(value=final_md)

            if AGENTIC_MODULES_LOADED:
                key_results_cbg.change(
                    fn=update_okr_display_on_selection,
                    inputs=[key_results_cbg, orchestration_raw_results_st, key_results_for_selection_st],
                    outputs=[okr_detail_display_md]
                )

    # --- EVENT HANDLING (SIMPLIFIED) ---
    # Define the output list for loading agentic results
    agentic_display_outputs = [
        agentic_report_display_md,
        key_results_cbg,
        okr_detail_display_md,
        orchestration_raw_results_st,
        selected_key_result_ids_st,
        key_results_for_selection_st,
        agentic_pipeline_status_md
    ]

    # This is the main event chain that runs when the app loads
    initial_load_event = org_urn_display.change(
        fn=initial_data_load_sequence,
        inputs=[url_user_token_display, org_urn_display, token_state],
        outputs=[status_box, token_state, dashboard_display_html],
        show_progress="full"
    )

    # After initial data is loaded, refresh the analytics graphs
    initial_load_event.then(
        fn=analytics_tab_instance._refresh_analytics_graphs_ui,
        inputs=[
            token_state,
            analytics_tab_instance.date_filter_selector,
            analytics_tab_instance.custom_start_date_picker,
            analytics_tab_instance.custom_end_date_picker,
            chat_histories_st
        ],
        outputs=analytics_tab_instance.graph_refresh_outputs_list,
        show_progress="full"
    # Then, load and display the pre-computed agentic results
    ).then(
        fn=load_and_display_agentic_results, # UPDATED function call
        inputs=[token_state, orchestration_raw_results_st, selected_key_result_ids_st, key_results_for_selection_st],
        outputs=agentic_display_outputs,
        show_progress="minimal"
    )

if __name__ == "__main__":
    # Environment variable checks remain important
    if not os.environ.get(LINKEDIN_CLIENT_ID_ENV_VAR):
        logging.warning(f"WARNING: '{LINKEDIN_CLIENT_ID_ENV_VAR}' is not set.")
    if not all(os.environ.get(var) for var in [BUBBLE_APP_NAME_ENV_VAR, BUBBLE_API_KEY_PRIVATE_ENV_VAR, BUBBLE_API_ENDPOINT_ENV_VAR]):
        logging.warning("WARNING: One or more Bubble environment variables are not set.")
    if not AGENTIC_MODULES_LOADED:
        logging.warning("CRITICAL: Agentic pipeline display modules failed to load. Tabs 3 and 4 will be non-functional.")
    if not os.environ.get("GEMINI_API_KEY"):
        logging.warning("WARNING: 'GEMINI_API_KEY' is not set. This may be needed for chatbot features.")

    app.launch(server_name="0.0.0.0", server_port=int(os.environ.get("PORT", 7860)), debug=True)