/**
 * IndexedDB Database Service using Dexie.js
 * Migrated from Angular db.service.ts
 */

console.log('db.js loaded');

const db = new Dexie('MiPescaDB');

// Define database schema - Increment version to 2 to handle boolean to numeric key transition
db.version(2).stores({
    captures: 'id, timestamp, synced',
    species: 'id, commonName, category'
});

console.log('Dexie DB schema defined (v2)');

// Database operations
const dbService = {
    /**
     * Add a new capture to the database
     */
    async addCapture(capture) {
        return await db.captures.add(capture);
    },

    /**
     * Get all captures
     */
    async getAllCaptures() {
        return await db.captures.toArray();
    },

    /**
     * Get unsynced captures
     */
    async getUnsyncedCaptures() {
        return await db.captures.where('synced').equals(0).toArray();
    },

    /**
     * Update sync status of a capture
     */
    async updateSyncStatus(id, synced) {
        return await db.captures.update(id, {
            synced: synced ? 1 : 0,
            syncedAt: new Date()
        });
    },

    /**
     * Save species list to database
     */
    async saveSpecies(speciesList) {
        return await db.species.bulkPut(speciesList);
    },

    /**
     * Get all species
     */
    async getAllSpecies() {
        return await db.species.toArray();
    },

    /**
     * Clear all data (for testing)
     */
    async clearAll() {
        await db.captures.clear();
        await db.species.clear();
    }
};