CREATE TABLE "attendance_records" (
    "id" UUID NOT NULL,
    "employee_id" UUID NOT NULL,
    "work_date" DATE NOT NULL,
    "clock_in_at" TIMESTAMP(3),
    "clock_out_at" TIMESTAMP(3),
    "work_minutes" INTEGER,
    "is_late" BOOLEAN NOT NULL DEFAULT false,
    "late_minutes" INTEGER NOT NULL DEFAULT 0,
    "is_early_leave" BOOLEAN NOT NULL DEFAULT false,
    "early_minutes" INTEGER NOT NULL DEFAULT 0,
    "note" TEXT,
    "source" VARCHAR(16) NOT NULL DEFAULT 'web',
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_by" UUID,

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

CREATE TABLE "attendance_policies" (
    "id" UUID NOT NULL,
    "work_start_time" VARCHAR(5) NOT NULL DEFAULT '09:00',
    "work_end_time" VARCHAR(5) NOT NULL DEFAULT '18:00',
    "lunch_start_time" VARCHAR(5) NOT NULL DEFAULT '12:00',
    "lunch_end_time" VARCHAR(5) NOT NULL DEFAULT '13:00',
    "late_tolerance_minutes" INTEGER NOT NULL DEFAULT 0,
    "enabled" BOOLEAN NOT NULL DEFAULT true,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_by" UUID,

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

CREATE UNIQUE INDEX "attendance_records_employee_date_ux"
ON "attendance_records"("employee_id", "work_date");

CREATE INDEX "idx_attendance_records_work_date"
ON "attendance_records"("work_date");

ALTER TABLE "attendance_records"
ADD CONSTRAINT "attendance_records_employee_id_fkey"
FOREIGN KEY ("employee_id") REFERENCES "employees"("id")
ON DELETE CASCADE ON UPDATE CASCADE;