-- CreateTable
CREATE TABLE "house" (
    "id" SERIAL NOT NULL,
    "name" TEXT NOT NULL,

    CONSTRAINT "house_pkey" PRIMARY KEY ("id")
);

COMMENT ON TABLE "house" IS 'Foyer regroupant un ou plusieurs profils utilisateurs et leurs plannings.';
COMMENT ON COLUMN "house"."id" IS 'Identifiant';
COMMENT ON COLUMN "house"."name" IS 'Nom du foyer';

-- CreateTable
CREATE TABLE "diet" (
    "id" SERIAL NOT NULL,
    "name" TEXT NOT NULL,

    CONSTRAINT "diet_pkey" PRIMARY KEY ("id")
);

COMMENT ON TABLE "diet" IS 'Régime alimentaire pouvant être suivi par un profil utilisateur.';
COMMENT ON COLUMN "diet"."id" IS 'Identifiant';
COMMENT ON COLUMN "diet"."name" IS 'Nom du régime alimentaire';

-- CreateTable
CREATE TABLE "category" (
    "id" SERIAL NOT NULL,
    "name" TEXT NOT NULL,

    CONSTRAINT "category_pkey" PRIMARY KEY ("id")
);

COMMENT ON TABLE "category" IS 'Table d''énumération, destinée à grandir au fil du projet (portera notamment les nuances liées aux allergies).';
COMMENT ON COLUMN "category"."id" IS 'Identifiant';
COMMENT ON COLUMN "category"."name" IS 'Nom de la catégorie';

-- CreateTable
CREATE TABLE "allergy" (
    "id" SERIAL NOT NULL,
    "cat_id" INTEGER NOT NULL,

    CONSTRAINT "allergy_pkey" PRIMARY KEY ("id")
);

COMMENT ON TABLE "allergy" IS 'Allergie, rattachée à une catégorie. Associée à user_profiles en many-to-many (table de jointure simple, sans champ additionnel).';
COMMENT ON COLUMN "allergy"."id" IS 'Identifiant';
COMMENT ON COLUMN "allergy"."cat_id" IS 'FK → category';

-- CreateTable
CREATE TABLE "user_profiles" (
    "id" SERIAL NOT NULL,
    "first_name" TEXT NOT NULL,
    "last_name" TEXT NOT NULL,
    "email" TEXT NOT NULL,
    "house_id" INTEGER,
    "diet_id" INTEGER,

    CONSTRAINT "user_profiles_pkey" PRIMARY KEY ("id")
);

COMMENT ON TABLE "user_profiles" IS 'Profil utilisateur, rattaché à un foyer et éventuellement à un régime alimentaire.';
COMMENT ON COLUMN "user_profiles"."id" IS 'Identifiant';
COMMENT ON COLUMN "user_profiles"."first_name" IS 'Prénom';
COMMENT ON COLUMN "user_profiles"."last_name" IS 'Nom';
COMMENT ON COLUMN "user_profiles"."email" IS 'Email';
COMMENT ON COLUMN "user_profiles"."house_id" IS 'FK → house';
COMMENT ON COLUMN "user_profiles"."diet_id" IS 'FK → diet';

-- CreateTable
CREATE TABLE "user_profile_allergy" (
    "user_profile_id" INTEGER NOT NULL,
    "allergy_id" INTEGER NOT NULL,

    CONSTRAINT "user_profile_allergy_pkey" PRIMARY KEY ("user_profile_id","allergy_id")
);

COMMENT ON TABLE "user_profile_allergy" IS 'Table de jointure simple pour l''association many-to-many user_profiles ↔ allergy (sans champ additionnel, non présente telle quelle dans la spec d''origine).';
COMMENT ON COLUMN "user_profile_allergy"."user_profile_id" IS 'FK → user_profiles';
COMMENT ON COLUMN "user_profile_allergy"."allergy_id" IS 'FK → allergy';

-- CreateTable
CREATE TABLE "planning" (
    "id" SERIAL NOT NULL,
    "start_date" DATE NOT NULL,
    "finish_date" DATE NOT NULL,
    "house_id" INTEGER NOT NULL,

    CONSTRAINT "planning_pkey" PRIMARY KEY ("id")
);

COMMENT ON TABLE "planning" IS 'Planning de repas d''un foyer sur une période donnée.';
COMMENT ON COLUMN "planning"."id" IS 'Identifiant';
COMMENT ON COLUMN "planning"."start_date" IS 'Date de début';
COMMENT ON COLUMN "planning"."finish_date" IS 'Date de fin';
COMMENT ON COLUMN "planning"."house_id" IS 'FK → house';

-- CreateTable
CREATE TABLE "planning_item" (
    "id" SERIAL NOT NULL,
    "planning_id" INTEGER NOT NULL,
    "week_day" TEXT NOT NULL,
    "meal" TEXT NOT NULL,
    "recipe_id" INTEGER NOT NULL,

    CONSTRAINT "planning_item_pkey" PRIMARY KEY ("id")
);

COMMENT ON TABLE "planning_item" IS 'Entrée d''un planning : une recette assignée à un jour et un repas donnés.';
COMMENT ON COLUMN "planning_item"."id" IS 'Identifiant';
COMMENT ON COLUMN "planning_item"."planning_id" IS 'FK → planning';
COMMENT ON COLUMN "planning_item"."week_day" IS 'Jour de la semaine';
COMMENT ON COLUMN "planning_item"."meal" IS 'Repas concerné';
COMMENT ON COLUMN "planning_item"."recipe_id" IS 'FK → recipe';

-- CreateTable
CREATE TABLE "sources" (
    "id" SERIAL NOT NULL,
    "name" TEXT NOT NULL,
    "url" TEXT,

    CONSTRAINT "sources_pkey" PRIMARY KEY ("id")
);

COMMENT ON TABLE "sources" IS 'Source d''origine d''une recette (site, livre, etc.), utilisée par le pipeline d''import.';
COMMENT ON COLUMN "sources"."id" IS 'Identifiant';
COMMENT ON COLUMN "sources"."name" IS 'Nom de la source';
COMMENT ON COLUMN "sources"."url" IS 'URL';

-- CreateTable
CREATE TABLE "recipe" (
    "id" SERIAL NOT NULL,
    "name" TEXT NOT NULL,
    "source_id" INTEGER,
    "description" TEXT,
    "picture" TEXT,

    CONSTRAINT "recipe_pkey" PRIMARY KEY ("id")
);

COMMENT ON TABLE "recipe" IS 'Recette de cuisine. Associée à ingredients en many-to-many (voir recipe_ingredient).';
COMMENT ON COLUMN "recipe"."id" IS 'Identifiant';
COMMENT ON COLUMN "recipe"."name" IS 'Nom de la recette';
COMMENT ON COLUMN "recipe"."source_id" IS 'FK → sources';
COMMENT ON COLUMN "recipe"."description" IS 'Description';
COMMENT ON COLUMN "recipe"."picture" IS 'Image';

-- CreateTable
CREATE TABLE "ingredients" (
    "id" SERIAL NOT NULL,
    "name" TEXT NOT NULL,
    "icon" TEXT,
    "alternate_recipe" INTEGER,

    CONSTRAINT "ingredients_pkey" PRIMARY KEY ("id")
);

COMMENT ON TABLE "ingredients" IS 'Ingrédient pouvant entrer dans la composition d''une ou plusieurs recettes.';
COMMENT ON COLUMN "ingredients"."id" IS 'Identifiant';
COMMENT ON COLUMN "ingredients"."name" IS 'Nom';
COMMENT ON COLUMN "ingredients"."icon" IS 'Icône';
COMMENT ON COLUMN "ingredients"."alternate_recipe" IS 'FK → recipe (recette alternative, ex: faire soi-même plutôt qu''acheter)';

-- CreateTable
CREATE TABLE "recipe_ingredient" (
    "recipe_id" INTEGER NOT NULL,
    "ingredient_id" INTEGER NOT NULL,
    "quantity" DECIMAL(10,2) NOT NULL,
    "unit" TEXT NOT NULL,

    CONSTRAINT "recipe_ingredient_pkey" PRIMARY KEY ("recipe_id","ingredient_id")
);

COMMENT ON TABLE "recipe_ingredient" IS 'Association recipe ↔ ingredients enrichie d''une quantité et d''une unité (non présent dans la spec d''origine, nécessaire pour les listes de courses / le calcul batch-cooking).';
COMMENT ON COLUMN "recipe_ingredient"."recipe_id" IS 'FK → recipe';
COMMENT ON COLUMN "recipe_ingredient"."ingredient_id" IS 'FK → ingredients';
COMMENT ON COLUMN "recipe_ingredient"."quantity" IS 'Quantité de l''ingrédient nécessaire pour la recette';
COMMENT ON COLUMN "recipe_ingredient"."unit" IS 'Unité de mesure de la quantité (g, ml, pièce...)';

-- CreateTable
CREATE TABLE "tech_step" (
    "id" SERIAL NOT NULL,

    CONSTRAINT "tech_step_pkey" PRIMARY KEY ("id")
);

COMMENT ON TABLE "tech_step" IS 'Technique culinaire réutilisable (ex: éplucher, mixer, cuire...), référencée par les étapes de recette.';
COMMENT ON COLUMN "tech_step"."id" IS 'Identifiant';

-- CreateTable
CREATE TABLE "tech_step_mapping" (
    "id" SERIAL NOT NULL,
    "tech_step_id" INTEGER NOT NULL,
    "expression" TEXT NOT NULL,
    "weight" INTEGER NOT NULL,

    CONSTRAINT "tech_step_mapping_pkey" PRIMARY KEY ("id")
);

COMMENT ON TABLE "tech_step_mapping" IS 'Utilisé par le pipeline d''import de recette pour détecter automatiquement la technique correspondant à une instruction brute (expression = motif texte, weight = score de correspondance).';
COMMENT ON COLUMN "tech_step_mapping"."id" IS 'Identifiant';
COMMENT ON COLUMN "tech_step_mapping"."tech_step_id" IS 'FK → tech_step';
COMMENT ON COLUMN "tech_step_mapping"."expression" IS 'Expression';
COMMENT ON COLUMN "tech_step_mapping"."weight" IS 'Poids';

-- CreateTable
CREATE TABLE "step" (
    "id" SERIAL NOT NULL,
    "recipe_id" INTEGER NOT NULL,
    "description" TEXT NOT NULL,
    "picture" TEXT,
    "order" INTEGER NOT NULL,
    "tech_step_id" INTEGER,

    CONSTRAINT "step_pkey" PRIMARY KEY ("id")
);

COMMENT ON TABLE "step" IS 'Étape d''une recette. Appartient à exactement une recette (one-to-many depuis recipe) : le champ order n''a de sens que dans le contexte d''une recette donnée — voir specs/batch-cooking-modele.md pour la formulation d''origine (many-to-many).';
COMMENT ON COLUMN "step"."id" IS 'Identifiant';
COMMENT ON COLUMN "step"."recipe_id" IS 'FK → recipe';
COMMENT ON COLUMN "step"."description" IS 'Description de l''étape';
COMMENT ON COLUMN "step"."picture" IS 'Image';
COMMENT ON COLUMN "step"."order" IS 'Ordre dans la recette';
COMMENT ON COLUMN "step"."tech_step_id" IS 'FK → tech_step';

-- CreateIndex
CREATE UNIQUE INDEX "user_profiles_email_key" ON "user_profiles"("email");

-- AddForeignKey
ALTER TABLE "allergy" ADD CONSTRAINT "allergy_cat_id_fkey" FOREIGN KEY ("cat_id") REFERENCES "category"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "user_profiles" ADD CONSTRAINT "user_profiles_house_id_fkey" FOREIGN KEY ("house_id") REFERENCES "house"("id") ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "user_profiles" ADD CONSTRAINT "user_profiles_diet_id_fkey" FOREIGN KEY ("diet_id") REFERENCES "diet"("id") ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "user_profile_allergy" ADD CONSTRAINT "user_profile_allergy_user_profile_id_fkey" FOREIGN KEY ("user_profile_id") REFERENCES "user_profiles"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "user_profile_allergy" ADD CONSTRAINT "user_profile_allergy_allergy_id_fkey" FOREIGN KEY ("allergy_id") REFERENCES "allergy"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "planning" ADD CONSTRAINT "planning_house_id_fkey" FOREIGN KEY ("house_id") REFERENCES "house"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "planning_item" ADD CONSTRAINT "planning_item_planning_id_fkey" FOREIGN KEY ("planning_id") REFERENCES "planning"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "planning_item" ADD CONSTRAINT "planning_item_recipe_id_fkey" FOREIGN KEY ("recipe_id") REFERENCES "recipe"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "recipe" ADD CONSTRAINT "recipe_source_id_fkey" FOREIGN KEY ("source_id") REFERENCES "sources"("id") ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "ingredients" ADD CONSTRAINT "ingredients_alternate_recipe_fkey" FOREIGN KEY ("alternate_recipe") REFERENCES "recipe"("id") ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "recipe_ingredient" ADD CONSTRAINT "recipe_ingredient_recipe_id_fkey" FOREIGN KEY ("recipe_id") REFERENCES "recipe"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "recipe_ingredient" ADD CONSTRAINT "recipe_ingredient_ingredient_id_fkey" FOREIGN KEY ("ingredient_id") REFERENCES "ingredients"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "tech_step_mapping" ADD CONSTRAINT "tech_step_mapping_tech_step_id_fkey" FOREIGN KEY ("tech_step_id") REFERENCES "tech_step"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "step" ADD CONSTRAINT "step_recipe_id_fkey" FOREIGN KEY ("recipe_id") REFERENCES "recipe"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "step" ADD CONSTRAINT "step_tech_step_id_fkey" FOREIGN KEY ("tech_step_id") REFERENCES "tech_step"("id") ON DELETE SET NULL ON UPDATE CASCADE;
