//! Example demonstrating ItemDatabase usage
//!
//! Run with: cargo run --example item_database_demo

use cursebreaker_parser::ItemDatabase;
use std::env;

fn main() -> Result<(), Box<dyn std::error::Error>> {
    println!("🎮 Cursebreaker Item Database Demo\n");

    // Load items from XML
    let cb_assets_path = env::var("CB_ASSETS_PATH").unwrap_or_else(|_| "/home/connor/repos/CBAssets".to_string());
    let items_path = format!("{}/Data/XMLs/Items/Items.xml", cb_assets_path);
    println!("📚 Loading items from: {}", items_path);

    let item_db = ItemDatabase::load_from_xml(items_path)?;
    println!("✅ Loaded {} items\n", item_db.len());

    // Example 1: Get item by ID
    println!("=== Example 1: Get Item by ID ===");
    if let Some(item) = item_db.get_by_id(150) {
        println!("Item ID 150:");
        println!("  Name: {}", item.name);
        if let Some(desc) = &item.description {
            println!("  Description: {}", desc);
        }
        if let Some(slot) = &item.slot {
            println!("  Slot: {}", slot);
        }
        if let Some(skill) = &item.skill {
            println!("  Skill: {}", skill);
        }
        println!("  Stats: {} stat entries", item.stats.len());
    }
    println!();

    // Example 2: Get items by category
    println!("=== Example 2: Get Items by Category ===");
    let bows = item_db.get_by_category("bow");
    println!("Found {} bows:", bows.len());
    for item in bows.iter().take(5) {
        println!("  - {} (ID: {})", item.name, item.id);
    }
    println!();

    // Example 3: Get items by slot
    println!("=== Example 3: Get Items by Slot ===");
    let consumables = item_db.get_by_slot("consumable");
    println!("Found {} consumables (showing first 10):", consumables.len());
    for item in consumables.iter().take(10) {
        let name = &item.name;
        let id = item.id;
        if let Some(desc) = &item.description {
            println!("  - {} (ID: {}) - {}", name, id, desc.chars().take(50).collect::<String>());
        } else {
            println!("  - {} (ID: {})", name, id);
        }
    }
    println!();

    // Example 4: Get items by skill
    println!("=== Example 4: Get Items by Skill ===");
    let magic_items = item_db.get_by_skill("magic");
    println!("Found {} magic items:", magic_items.len());
    for item in magic_items.iter().take(5) {
        println!("  - {} (ID: {}, Level: {:?})",
                 item.name, item.id, item.level);
    }
    println!();

    // Example 5: Statistics
    println!("=== Example 5: Database Statistics ===");
    let weapons = item_db.get_by_slot("weapon");
    let armor = item_db.get_by_slot("armor");
    let consumables = item_db.get_by_slot("consumable");
    let trinkets = item_db.get_by_slot("trinket");

    println!("Item Distribution by Slot:");
    println!("  Weapons: {}", weapons.len());
    println!("  Armor: {}", armor.len());
    println!("  Consumables: {}", consumables.len());
    println!("  Trinkets: {}", trinkets.len());
    println!();

    // Example 6: Prepare for SQL (showing how it would be used)
    println!("=== Example 6: SQL Serialization ===");
    let sql_data = item_db.prepare_for_sql();
    println!("Prepared {} items for SQL insertion", sql_data.len());
    println!("Sample SQL inserts (first 3):");
    for (id, name, json) in sql_data.iter().take(3) {
        let json_preview = if json.len() > 100 {
            format!("{}...", &json[..100])
        } else {
            json.clone()
        };
        println!("  INSERT INTO items (id, name, data) VALUES ({}, '{}', '{}');",
                 id, name, json_preview);
    }

    println!("\n✨ Demo complete!");

    Ok(())
}