-- Add missing fields to job_seeker_profiles
ALTER TABLE job_seeker_profiles
    ADD COLUMN IF NOT EXISTS full_name VARCHAR(255),
    ADD COLUMN IF NOT EXISTS location VARCHAR(255),
    ADD COLUMN IF NOT EXISTS summary TEXT,
    ADD COLUMN IF NOT EXISTS experience_years INTEGER DEFAULT 0,
    ADD COLUMN IF NOT EXISTS skills TEXT[] DEFAULT '{}',
    ADD COLUMN IF NOT EXISTS resume_url VARCHAR(500),
    ADD COLUMN IF NOT EXISTS active_application_count INTEGER NOT NULL DEFAULT 0,
    ADD COLUMN IF NOT EXISTS status VARCHAR(50) NOT NULL DEFAULT 'ACTIVE';

-- Requirements (customer leads)
CREATE TABLE IF NOT EXISTS requirements (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    customer_id UUID NOT NULL REFERENCES customer_profiles(id) ON DELETE CASCADE,
    profession_key VARCHAR(50) NOT NULL,
    title VARCHAR(200) NOT NULL,
    description TEXT NOT NULL,
    location VARCHAR(255) NOT NULL,
    budget INTEGER,  -- in paise
    preferred_date DATE,
    extra_data_json JSONB,
    status VARCHAR(50) NOT NULL DEFAULT 'DRAFT',
    -- DRAFT, PENDING_APPROVAL, OPEN, CLOSED, EXPIRED, REJECTED
    rejection_reason TEXT,
    request_count INTEGER NOT NULL DEFAULT 0,
    accepted_count INTEGER NOT NULL DEFAULT 0,
    expires_at TIMESTAMPTZ,
    approved_at TIMESTAMPTZ,
    approved_by UUID REFERENCES users(id),
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

-- professionals unified table (parent for all 9 profession subtypes)
CREATE TABLE IF NOT EXISTS professionals (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    user_id UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE UNIQUE,
    profession_key VARCHAR(50) NOT NULL,
    display_name VARCHAR(255) NOT NULL,
    location VARCHAR(255),
    bio TEXT,
    extra_data_json JSONB,
    status VARCHAR(50) NOT NULL DEFAULT 'ACTIVE',
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

-- Lead requests (professional → requirement)
CREATE TABLE IF NOT EXISTS lead_requests (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    requirement_id UUID NOT NULL REFERENCES requirements(id) ON DELETE CASCADE,
    professional_id UUID NOT NULL REFERENCES professionals(id) ON DELETE CASCADE,
    status VARCHAR(50) NOT NULL DEFAULT 'PENDING',
    -- PENDING, ACCEPTED, REJECTED, EXPIRED, CANCELLED
    tracecoins_reserved INTEGER NOT NULL DEFAULT 25,
    expires_at TIMESTAMPTZ NOT NULL,
    requested_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    resolved_at TIMESTAMPTZ,
    UNIQUE(requirement_id, professional_id)
);

-- Add missing fields to customer_profiles
ALTER TABLE customer_profiles
    ADD COLUMN IF NOT EXISTS full_name VARCHAR(255),
    ADD COLUMN IF NOT EXISTS phone VARCHAR(20),
    ADD COLUMN IF NOT EXISTS city VARCHAR(100),
    ADD COLUMN IF NOT EXISTS area VARCHAR(100),
    ADD COLUMN IF NOT EXISTS preferred_professions TEXT[] DEFAULT '{}',
    ADD COLUMN IF NOT EXISTS active_requirement_count INTEGER NOT NULL DEFAULT 0,
    ADD COLUMN IF NOT EXISTS status VARCHAR(50) NOT NULL DEFAULT 'ACTIVE';

CREATE INDEX IF NOT EXISTS idx_requirements_customer_id ON requirements(customer_id);
CREATE INDEX IF NOT EXISTS idx_requirements_status ON requirements(status);
CREATE INDEX IF NOT EXISTS idx_requirements_profession_key ON requirements(profession_key);
CREATE INDEX IF NOT EXISTS idx_lead_requests_requirement_id ON lead_requests(requirement_id);
CREATE INDEX IF NOT EXISTS idx_lead_requests_professional_id ON lead_requests(professional_id);
CREATE INDEX IF NOT EXISTS idx_lead_requests_status ON lead_requests(status);
CREATE INDEX IF NOT EXISTS idx_professionals_profession_key ON professionals(profession_key);