-- ─── ENTITY GRAPH (Industry / Person / Brand / BusinessRelation) ─────────────
-- Pretvara BiznisPortal iz „direktorijuma" u „lokalni knowledge graph Srbije".

-- Enums
CREATE TYPE "PersonRole" AS ENUM (
  'FOUNDER', 'CO_FOUNDER', 'CEO', 'CTO', 'CFO', 'COO', 'CMO',
  'BOARD_MEMBER', 'CHAIRMAN', 'KEY_PERSON', 'ADVISOR', 'OTHER'
);

CREATE TYPE "BusinessRelationType" AS ENUM (
  'PARENT', 'SUBSIDIARY', 'SISTER_COMPANY', 'PARTNER',
  'SUPPLIER', 'CLIENT', 'ACQUIRED'
);

-- Industry (hijerarhijski, NAICS-mapiran)
CREATE TABLE "Industry" (
  "id" TEXT NOT NULL,
  "slug" TEXT NOT NULL,
  "nameSr" TEXT NOT NULL,
  "nameEn" TEXT,
  "naicsCode" TEXT,
  "parentId" TEXT,
  "description" TEXT,
  "iconUrl" TEXT,
  "wikidataId" TEXT,
  "sortOrder" INTEGER NOT NULL DEFAULT 0,
  "isActive" BOOLEAN NOT NULL DEFAULT true,
  "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
  "updatedAt" TIMESTAMP(3) NOT NULL,
  CONSTRAINT "Industry_pkey" PRIMARY KEY ("id")
);
CREATE UNIQUE INDEX "Industry_slug_key" ON "Industry"("slug");
CREATE INDEX "Industry_parentId_idx" ON "Industry"("parentId");
CREATE INDEX "Industry_slug_idx" ON "Industry"("slug");
CREATE INDEX "Industry_isActive_idx" ON "Industry"("isActive");
ALTER TABLE "Industry" ADD CONSTRAINT "Industry_parentId_fkey"
  FOREIGN KEY ("parentId") REFERENCES "Industry"("id") ON DELETE SET NULL ON UPDATE CASCADE;

-- Person (CEO, Founder, key staff)
CREATE TABLE "Person" (
  "id" TEXT NOT NULL,
  "slug" TEXT NOT NULL,
  "fullName" TEXT NOT NULL,
  "jobTitle" TEXT,
  "bio" TEXT,
  "photoUrl" TEXT,
  "email" TEXT,
  "linkedinUrl" TEXT,
  "twitterUrl" TEXT,
  "websiteUrl" TEXT,
  "wikipediaUrl" TEXT,
  "wikidataId" TEXT,
  "expertise" TEXT[] NOT NULL DEFAULT ARRAY[]::TEXT[],
  "isActive" BOOLEAN NOT NULL DEFAULT true,
  "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
  "updatedAt" TIMESTAMP(3) NOT NULL,
  CONSTRAINT "Person_pkey" PRIMARY KEY ("id")
);
CREATE UNIQUE INDEX "Person_slug_key" ON "Person"("slug");
CREATE INDEX "Person_slug_idx" ON "Person"("slug");
CREATE INDEX "Person_isActive_idx" ON "Person"("isActive");

-- CompanyPerson junction (sa rolama)
CREATE TABLE "CompanyPerson" (
  "id" TEXT NOT NULL,
  "companyId" TEXT NOT NULL,
  "personId" TEXT NOT NULL,
  "role" "PersonRole" NOT NULL DEFAULT 'KEY_PERSON',
  "customTitle" TEXT,
  "startDate" TIMESTAMP(3),
  "endDate" TIMESTAMP(3),
  "isCurrent" BOOLEAN NOT NULL DEFAULT true,
  "sortOrder" INTEGER NOT NULL DEFAULT 0,
  "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
  "updatedAt" TIMESTAMP(3) NOT NULL,
  CONSTRAINT "CompanyPerson_pkey" PRIMARY KEY ("id")
);
CREATE UNIQUE INDEX "CompanyPerson_companyId_personId_role_key"
  ON "CompanyPerson"("companyId", "personId", "role");
CREATE INDEX "CompanyPerson_companyId_isCurrent_sortOrder_idx"
  ON "CompanyPerson"("companyId", "isCurrent", "sortOrder");
CREATE INDEX "CompanyPerson_personId_isCurrent_idx"
  ON "CompanyPerson"("personId", "isCurrent");
ALTER TABLE "CompanyPerson" ADD CONSTRAINT "CompanyPerson_companyId_fkey"
  FOREIGN KEY ("companyId") REFERENCES "Company"("id") ON DELETE CASCADE ON UPDATE CASCADE;
ALTER TABLE "CompanyPerson" ADD CONSTRAINT "CompanyPerson_personId_fkey"
  FOREIGN KEY ("personId") REFERENCES "Person"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- Brand (hijerarhijski)
CREATE TABLE "Brand" (
  "id" TEXT NOT NULL,
  "slug" TEXT NOT NULL,
  "nameSr" TEXT NOT NULL,
  "nameEn" TEXT,
  "logoUrl" TEXT,
  "description" TEXT,
  "websiteUrl" TEXT,
  "parentId" TEXT,
  "wikidataId" TEXT,
  "isActive" BOOLEAN NOT NULL DEFAULT true,
  "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
  "updatedAt" TIMESTAMP(3) NOT NULL,
  CONSTRAINT "Brand_pkey" PRIMARY KEY ("id")
);
CREATE UNIQUE INDEX "Brand_slug_key" ON "Brand"("slug");
CREATE INDEX "Brand_parentId_idx" ON "Brand"("parentId");
CREATE INDEX "Brand_slug_idx" ON "Brand"("slug");
ALTER TABLE "Brand" ADD CONSTRAINT "Brand_parentId_fkey"
  FOREIGN KEY ("parentId") REFERENCES "Brand"("id") ON DELETE SET NULL ON UPDATE CASCADE;

-- CompanyBrand junction
CREATE TABLE "CompanyBrand" (
  "id" TEXT NOT NULL,
  "companyId" TEXT NOT NULL,
  "brandId" TEXT NOT NULL,
  "relation" TEXT NOT NULL DEFAULT 'OWNS',
  "sortOrder" INTEGER NOT NULL DEFAULT 0,
  "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
  CONSTRAINT "CompanyBrand_pkey" PRIMARY KEY ("id")
);
CREATE UNIQUE INDEX "CompanyBrand_companyId_brandId_key"
  ON "CompanyBrand"("companyId", "brandId");
CREATE INDEX "CompanyBrand_companyId_idx" ON "CompanyBrand"("companyId");
CREATE INDEX "CompanyBrand_brandId_idx" ON "CompanyBrand"("brandId");
ALTER TABLE "CompanyBrand" ADD CONSTRAINT "CompanyBrand_companyId_fkey"
  FOREIGN KEY ("companyId") REFERENCES "Company"("id") ON DELETE CASCADE ON UPDATE CASCADE;
ALTER TABLE "CompanyBrand" ADD CONSTRAINT "CompanyBrand_brandId_fkey"
  FOREIGN KEY ("brandId") REFERENCES "Brand"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- BusinessRelation (parent/subsidiary/partner/supplier/client)
CREATE TABLE "BusinessRelation" (
  "id" TEXT NOT NULL,
  "fromCompanyId" TEXT NOT NULL,
  "toCompanyId" TEXT NOT NULL,
  "type" "BusinessRelationType" NOT NULL,
  "since" TIMESTAMP(3),
  "until" TIMESTAMP(3),
  "notes" TEXT,
  "isPublic" BOOLEAN NOT NULL DEFAULT true,
  "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
  "updatedAt" TIMESTAMP(3) NOT NULL,
  CONSTRAINT "BusinessRelation_pkey" PRIMARY KEY ("id")
);
CREATE UNIQUE INDEX "BusinessRelation_fromCompanyId_toCompanyId_type_key"
  ON "BusinessRelation"("fromCompanyId", "toCompanyId", "type");
CREATE INDEX "BusinessRelation_fromCompanyId_type_idx"
  ON "BusinessRelation"("fromCompanyId", "type");
CREATE INDEX "BusinessRelation_toCompanyId_type_idx"
  ON "BusinessRelation"("toCompanyId", "type");
ALTER TABLE "BusinessRelation" ADD CONSTRAINT "BusinessRelation_fromCompanyId_fkey"
  FOREIGN KEY ("fromCompanyId") REFERENCES "Company"("id") ON DELETE CASCADE ON UPDATE CASCADE;
ALTER TABLE "BusinessRelation" ADD CONSTRAINT "BusinessRelation_toCompanyId_fkey"
  FOREIGN KEY ("toCompanyId") REFERENCES "Company"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- MagazineAuthor (E-E-A-T autoriteti)
CREATE TABLE "MagazineAuthor" (
  "id" TEXT NOT NULL,
  "slug" TEXT NOT NULL,
  "name" TEXT NOT NULL,
  "jobTitle" TEXT,
  "bio" TEXT,
  "photoUrl" TEXT,
  "email" TEXT,
  "linkedinUrl" TEXT,
  "twitterUrl" TEXT,
  "websiteUrl" TEXT,
  "expertise" TEXT[] NOT NULL DEFAULT ARRAY[]::TEXT[],
  "yearsExperience" INTEGER,
  "isActive" BOOLEAN NOT NULL DEFAULT true,
  "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
  "updatedAt" TIMESTAMP(3) NOT NULL,
  CONSTRAINT "MagazineAuthor_pkey" PRIMARY KEY ("id")
);
CREATE UNIQUE INDEX "MagazineAuthor_slug_key" ON "MagazineAuthor"("slug");
CREATE INDEX "MagazineAuthor_slug_idx" ON "MagazineAuthor"("slug");
CREATE INDEX "MagazineAuthor_isActive_idx" ON "MagazineAuthor"("isActive");

-- Company.industryId + indeks
ALTER TABLE "Company" ADD COLUMN "industryId" TEXT;
ALTER TABLE "Company" ADD CONSTRAINT "Company_industryId_fkey"
  FOREIGN KEY ("industryId") REFERENCES "Industry"("id") ON DELETE SET NULL ON UPDATE CASCADE;
CREATE INDEX "Company_industryId_idx" ON "Company"("industryId");

-- MagazineArticle authority polja
ALTER TABLE "MagazineArticle" ADD COLUMN "authorId" TEXT;
ALTER TABLE "MagazineArticle" ADD COLUMN "reviewedById" TEXT;
ALTER TABLE "MagazineArticle" ADD COLUMN "reviewedAt" TIMESTAMP(3);
ALTER TABLE "MagazineArticle" ADD COLUMN "factCheckedById" TEXT;
ALTER TABLE "MagazineArticle" ADD COLUMN "factCheckedAt" TIMESTAMP(3);
ALTER TABLE "MagazineArticle" ADD COLUMN "lastReviewedAt" TIMESTAMP(3);
ALTER TABLE "MagazineArticle" ADD CONSTRAINT "MagazineArticle_authorId_fkey"
  FOREIGN KEY ("authorId") REFERENCES "MagazineAuthor"("id") ON DELETE SET NULL ON UPDATE CASCADE;
ALTER TABLE "MagazineArticle" ADD CONSTRAINT "MagazineArticle_reviewedById_fkey"
  FOREIGN KEY ("reviewedById") REFERENCES "MagazineAuthor"("id") ON DELETE SET NULL ON UPDATE CASCADE;
ALTER TABLE "MagazineArticle" ADD CONSTRAINT "MagazineArticle_factCheckedById_fkey"
  FOREIGN KEY ("factCheckedById") REFERENCES "MagazineAuthor"("id") ON DELETE SET NULL ON UPDATE CASCADE;
CREATE INDEX "MagazineArticle_authorId_idx" ON "MagazineArticle"("authorId");
CREATE INDEX "MagazineArticle_reviewedById_idx" ON "MagazineArticle"("reviewedById");

-- MagazineArticleMention (auto-linking člának ↔ firma)
CREATE TABLE "MagazineArticleMention" (
  "id" TEXT NOT NULL,
  "articleId" TEXT NOT NULL,
  "companyId" TEXT NOT NULL,
  "kind" TEXT NOT NULL DEFAULT 'MENTIONED',
  "sortOrder" INTEGER NOT NULL DEFAULT 0,
  "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
  CONSTRAINT "MagazineArticleMention_pkey" PRIMARY KEY ("id")
);
CREATE UNIQUE INDEX "MagazineArticleMention_articleId_companyId_key"
  ON "MagazineArticleMention"("articleId", "companyId");
CREATE INDEX "MagazineArticleMention_companyId_idx" ON "MagazineArticleMention"("companyId");
CREATE INDEX "MagazineArticleMention_articleId_sortOrder_idx"
  ON "MagazineArticleMention"("articleId", "sortOrder");
ALTER TABLE "MagazineArticleMention" ADD CONSTRAINT "MagazineArticleMention_articleId_fkey"
  FOREIGN KEY ("articleId") REFERENCES "MagazineArticle"("id") ON DELETE CASCADE ON UPDATE CASCADE;
ALTER TABLE "MagazineArticleMention" ADD CONSTRAINT "MagazineArticleMention_companyId_fkey"
  FOREIGN KEY ("companyId") REFERENCES "Company"("id") ON DELETE CASCADE ON UPDATE CASCADE;