import mongoose from "mongoose";

const START_AT_TYPES = ["sunset", "daylight"];

const waterScheduleSchema = new mongoose.Schema(
  {
    /** MongoDB ref to the `Patch` document (not the logical `patchId` string). */
    patch: {
      type: mongoose.Schema.Types.ObjectId,
      ref: "Patch",
      required: true,
      index: true,
    },
    /** Calendar / anchor date (and optional wall-clock context for future use). */
    startAt: { type: Date, required: true },
    startAtType: {
      type: String,
      enum: START_AT_TYPES,
      required: true,
    },
    /** Minutes from the anchor implied by `startAtType` (see `timelineMinutesFromSchedule`). */
    offset: { type: Number, default: 0 },
    /** How long watering should run, in minutes; `endAt` is derived from `startAt` + this. */
    durationMinutes: { type: Number, default: 30 },
    /** Inclusive end of the watering window (computed on save from `startAt` + `durationMinutes`). */
    endAt: { type: Date },
    targetSoilHumidityEnabled: { type: Boolean, default: false },
    /** 0–100 when enabled; otherwise unset. */
    targetSoilHumidity: { type: Number, default: null },
    /** Pump / flow intensity 0–100. */
    waterPower: { type: Number, default: 100 },
  },
  { timestamps: true },
);

waterScheduleSchema.index({ patch: 1, startAt: 1 });

export const WaterSchedule = mongoose.model("WaterSchedule", waterScheduleSchema);