'use server'

import sql from '@/lib/db';

export async function getSettings() {
    try {
        const settings = await sql`SELECT * FROM settings WHERE id = 1 LIMIT 1`;
        return settings[0] || null;
    } catch (error) {
        console.error('Error fetching settings:', error);
        return null;
    }
}

export async function getFeaturedServices() {
    try {
        const services = await sql`SELECT * FROM services WHERE is_featured = true ORDER BY display_order ASC LIMIT 4`;
        return services;
    } catch (error) {
        console.error('Error fetching services:', error);
        return [];
    }
}

export async function getFeaturedProjects() {
    try {
        const projects = await sql`SELECT * FROM projects WHERE is_featured = true ORDER BY created_at DESC LIMIT 6`;
        return projects;
    } catch (error) {
        console.error('Error fetching projects:', error);
        return [];
    }
}

export async function submitLead(formData: {
    firstName: string;
    lastName: string;
    email: string;
    projectType: string;
    message: string;
}) {
    try {
        const fullName = `${formData.firstName} ${formData.lastName}`;
        await sql`
            INSERT INTO leads (full_name, email, service_type, message, status)
            VALUES (${fullName}, ${formData.email}, ${formData.projectType}, ${formData.message}, 'new')
        `;
        return { success: true };
    } catch (error) {
        console.error('Error submitting lead:', error);
        return { error: 'Failed to submit' };
    }
}
export async function getPartners() {
    try {
        return await sql`
            SELECT p.*, (
                SELECT slug FROM projects 
                WHERE LOWER(TRIM(p.name)) LIKE '%' || LOWER(TRIM(title)) || '%'
                OR LOWER(TRIM(title)) LIKE '%' || LOWER(TRIM(p.name)) || '%'
                LIMIT 1
            ) as project_slug 
            FROM partners p 
            ORDER BY p.display_order ASC
        `;
    } catch (error) {
        console.error('Error fetching partners:', error);
        return [];
    }
}

export async function getProjectBySlug(slug: string) {
    try {
        const projects = await sql`SELECT * FROM projects WHERE slug = ${slug} LIMIT 1`;
        if (projects.length === 0) return null;

        const project = projects[0];
        
        // Fetch next project for the bottom section
        const nextProjects = await sql`
            SELECT * FROM projects 
            WHERE created_at < ${project.created_at} 
            ORDER BY created_at DESC 
            LIMIT 1
        `;
        
        // If no older project, fetch the newest one
        let nextProject: any = nextProjects[0] || null;
        if (!nextProject) {
            const newest = await sql`SELECT * FROM projects ORDER BY created_at DESC LIMIT 1`;
            nextProject = newest[0] !== project ? newest[0] : null;
        }

        return { project, nextProject };
    } catch (error) {
        console.error('Error fetching project:', error);
        return null;
    }
}
export async function getServiceBySlug(slug: string) {
    try {
        const services = await sql`SELECT * FROM services WHERE slug = ${slug} LIMIT 1`;
        return services[0] || null;
    } catch (error) {
        console.error('Error fetching service:', error);
        return null;
    }
}

export async function getLocationBySlug(slug: string) {
    try {
        const locations = await sql`SELECT * FROM locations WHERE slug = ${slug} LIMIT 1`;
        return locations[0] || null;
    } catch (error) {
        console.error('Error fetching location:', error);
        return null;
    }
}


export async function getProjectsByService(serviceName: string) {
    try {
        // Search projects where the serviceName is in the title or categories
        // serviceName is expected to be something like "Drone Çekimi"
        return await sql`
            SELECT * FROM projects 
            WHERE title ILIKE ${'%' + serviceName + '%'}
            OR categories::text ILIKE ${'%' + serviceName + '%'}
            ORDER BY created_at DESC 
            LIMIT 4
        `;
    } catch (error) {
        console.error('Error fetching projects by service:', error);
        return [];
    }
}

export async function getLocations() {
    try {
        return await sql`SELECT * FROM locations ORDER BY name ASC`;
    } catch (error) {
        console.error('Error fetching locations:', error);
        return [];
    }
}

export async function getServices() {
    try {
        return await sql`SELECT * FROM services ORDER BY display_order ASC`;
    } catch (error) {
        console.error('Error fetching services:', error);
        return [];
    }
}