-- CreateTable
CREATE TABLE "users" (
    "id" VARCHAR(255) NOT NULL,
    "username" VARCHAR(255) NOT NULL,
    "email" VARCHAR(255) NOT NULL,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" TIMESTAMP(3) NOT NULL,

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

-- CreateTable
CREATE TABLE "clients" (
    "id" TEXT NOT NULL,
    "name" VARCHAR(255) NOT NULL,
    "description" TEXT,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" TIMESTAMP(3) NOT NULL,
    "user_id" VARCHAR(255) NOT NULL,

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

-- CreateTable
CREATE TABLE "projects" (
    "id" TEXT NOT NULL,
    "name" VARCHAR(255) NOT NULL,
    "description" TEXT,
    "color" VARCHAR(7),
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" TIMESTAMP(3) NOT NULL,
    "user_id" VARCHAR(255) NOT NULL,
    "client_id" TEXT NOT NULL,

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

-- CreateTable
CREATE TABLE "time_entries" (
    "id" TEXT NOT NULL,
    "start_time" TIMESTAMPTZ NOT NULL,
    "end_time" TIMESTAMPTZ NOT NULL,
    "description" TEXT,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" TIMESTAMP(3) NOT NULL,
    "user_id" VARCHAR(255) NOT NULL,
    "project_id" TEXT NOT NULL,

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

-- CreateTable
CREATE TABLE "ongoing_timers" (
    "id" TEXT NOT NULL,
    "start_time" TIMESTAMPTZ NOT NULL,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" TIMESTAMP(3) NOT NULL,
    "user_id" VARCHAR(255) NOT NULL,
    "project_id" TEXT,

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

-- CreateIndex
CREATE INDEX "clients_user_id_idx" ON "clients"("user_id");

-- CreateIndex
CREATE INDEX "projects_user_id_idx" ON "projects"("user_id");

-- CreateIndex
CREATE INDEX "projects_client_id_idx" ON "projects"("client_id");

-- CreateIndex
CREATE INDEX "time_entries_user_id_idx" ON "time_entries"("user_id");

-- CreateIndex
CREATE INDEX "time_entries_user_id_start_time_idx" ON "time_entries"("user_id", "start_time");

-- CreateIndex
CREATE INDEX "time_entries_project_id_idx" ON "time_entries"("project_id");

-- CreateIndex
CREATE UNIQUE INDEX "ongoing_timers_user_id_key" ON "ongoing_timers"("user_id");

-- CreateIndex
CREATE UNIQUE INDEX "ongoing_timers_project_id_key" ON "ongoing_timers"("project_id");

-- CreateIndex
CREATE INDEX "ongoing_timers_user_id_idx" ON "ongoing_timers"("user_id");

-- AddForeignKey
ALTER TABLE "clients" ADD CONSTRAINT "clients_user_id_fkey" FOREIGN KEY ("user_id") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "projects" ADD CONSTRAINT "projects_user_id_fkey" FOREIGN KEY ("user_id") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "projects" ADD CONSTRAINT "projects_client_id_fkey" FOREIGN KEY ("client_id") REFERENCES "clients"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "time_entries" ADD CONSTRAINT "time_entries_user_id_fkey" FOREIGN KEY ("user_id") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "time_entries" ADD CONSTRAINT "time_entries_project_id_fkey" FOREIGN KEY ("project_id") REFERENCES "projects"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "ongoing_timers" ADD CONSTRAINT "ongoing_timers_user_id_fkey" FOREIGN KEY ("user_id") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "ongoing_timers" ADD CONSTRAINT "ongoing_timers_project_id_fkey" FOREIGN KEY ("project_id") REFERENCES "projects"("id") ON DELETE SET NULL ON UPDATE CASCADE;