-- AP1.10b: Entity Field System (EFS) — Archetypen, Felddefinitionen, Werte

CREATE TABLE IF NOT EXISTS entity_archetypes (
    archetype_key VARCHAR(64) PRIMARY KEY,
    entity_type VARCHAR(64) NOT NULL,
    label VARCHAR(255) NOT NULL,
    description TEXT NOT NULL DEFAULT '',
    is_system BOOLEAN NOT NULL DEFAULT TRUE,
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

CREATE INDEX IF NOT EXISTS idx_entity_archetypes_entity_type
    ON entity_archetypes (entity_type);

CREATE TABLE IF NOT EXISTS field_definitions (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    archetype_key VARCHAR(64) NOT NULL
        REFERENCES entity_archetypes (archetype_key) ON DELETE CASCADE,
    field_key VARCHAR(64) NOT NULL,
    field_type VARCHAR(32) NOT NULL
        CHECK (field_type IN (
            'text', 'longtext', 'number', 'boolean', 'date', 'enum', 'actor_ref', 'url'
        )),
    label VARCHAR(255) NOT NULL,
    required BOOLEAN NOT NULL DEFAULT FALSE,
    searchable BOOLEAN NOT NULL DEFAULT FALSE,
    sort_order INTEGER NOT NULL DEFAULT 0,
    validation_json JSONB NOT NULL DEFAULT '{}'::jsonb,
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    UNIQUE (archetype_key, field_key)
);

CREATE INDEX IF NOT EXISTS idx_field_definitions_archetype
    ON field_definitions (archetype_key, sort_order);

CREATE TABLE IF NOT EXISTS field_values (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    tenant_id UUID NOT NULL REFERENCES tenants (id) ON DELETE CASCADE,
    entity_type VARCHAR(64) NOT NULL,
    entity_id UUID NOT NULL,
    field_key VARCHAR(64) NOT NULL,
    value_json JSONB,
    value_text TEXT NOT NULL DEFAULT '',
    value_number NUMERIC,
    value_boolean BOOLEAN,
    value_date DATE,
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    UNIQUE (tenant_id, entity_type, entity_id, field_key)
);

CREATE INDEX IF NOT EXISTS idx_field_values_entity
    ON field_values (tenant_id, entity_type, entity_id);

CREATE INDEX IF NOT EXISTS idx_field_values_search
    ON field_values (tenant_id, entity_type, field_key)
    WHERE value_text <> '';