{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://reppilot.abhishekdoesstuff.com/format/schema.json",
  "title": "RepPilot Plan v1.0",
  "type": "object",
  "additionalProperties": false,
  "required": ["version", "program_name", "workouts"],
  "properties": {
    "version": {
      "type": "string"
    },
    "program_name": {
      "type": "string",
      "minLength": 1
    },
    "description": {
      "type": "string"
    },
    "workouts": {
      "type": "array",
      "minItems": 1,
      "items": {
        "$ref": "#/$defs/workoutDay"
      }
    }
  },
  "$defs": {
    "workoutDay": {
      "type": "object",
      "additionalProperties": false,
      "required": ["day_of_week", "name", "exercises"],
      "properties": {
        "day_of_week": {
          "type": "string",
          "enum": [
            "Monday",
            "Tuesday",
            "Wednesday",
            "Thursday",
            "Friday",
            "Saturday",
            "Sunday"
          ]
        },
        "week_offset": {
          "type": "integer",
          "minimum": 0
        },
        "name": {
          "type": "string",
          "minLength": 1
        },
        "exercises": {
          "type": "array",
          "minItems": 1,
          "items": {
            "$ref": "#/$defs/exercise"
          }
        }
      }
    },
    "exercise": {
      "type": "object",
      "additionalProperties": false,
      "required": ["id", "name", "sets"],
      "properties": {
        "id": {
          "type": "string",
          "minLength": 1,
          "pattern": "^[a-z0-9]+(?:-[a-z0-9]+)*$"
        },
        "name": {
          "type": "string",
          "minLength": 1
        },
        "muscle_group": {
          "type": "string"
        },
        "tracking_type": {
          "type": "string",
          "enum": ["strength", "bodyweight", "duration", "distance"]
        },
        "sets": {
          "type": "integer",
          "minimum": 1
        },
        "target_reps": {
          "type": "string",
          "minLength": 1
        },
        "starting_weight_kg": {
          "type": "number",
          "minimum": 0
        },
        "starting_reps": {
          "type": "integer",
          "minimum": 1
        },
        "target_duration_minutes": {
          "type": "number",
          "exclusiveMinimum": 0
        },
        "starting_duration_minutes": {
          "type": "number",
          "exclusiveMinimum": 0
        },
        "target_distance_km": {
          "type": "number",
          "exclusiveMinimum": 0
        },
        "starting_distance_km": {
          "type": "number",
          "minimum": 0
        },
        "rest_seconds": {
          "type": "integer",
          "minimum": 1
        },
        "reference_url": {
          "type": "string",
          "format": "uri"
        },
        "notes": {
          "type": "string"
        }
      }
    }
  }
}