{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://mcdonald-s-it-halloween.schema.json",
  "title": "McDonald's IT Halloween Event Page Content Schema",
  "description": "Schema defining the structure and validation rules for the Halloween 2025 event page content",
  "type": "object",
  "required": ["meta", "theme", "event", "countdown", "ascii"],
  "properties": {
    "meta": {
      "type": "object",
      "description": "Page metadata for browser and SEO",
      "required": ["title", "description", "favicon"],
      "properties": {
        "title": {
          "type": "string",
          "const": "2025 MITA Halloween",
          "description": "Browser tab title"
        },
        "description": {
          "type": "string",
          "minLength": 50,
          "maxLength": 160,
          "description": "Meta description for SEO",
          "default": "McDonald's China IT Halloween 2025 - Join 300 MITA developers for cosplay, debugging games, and lucky draw at MITA Building 2F Pantry"
        },
        "favicon": {
          "type": "string",
          "pattern": "^data:image",
          "description": "Data URI for favicon (pumpkin emoji)"
        },
        "lang": {
          "type": "string",
          "enum": ["en", "zh-CN"],
          "default": "en",
          "description": "Primary page language"
        }
      }
    },
    "theme": {
      "type": "object",
      "description": "Visual design theme configuration",
      "required": ["backgroundColor", "primaryColor", "accentColor", "fontFamily"],
      "properties": {
        "backgroundColor": {
          "type": "string",
          "pattern": "^#[0-9A-Fa-f]{6}$",
          "const": "#000000",
          "description": "Pure black background"
        },
        "primaryColor": {
          "type": "string",
          "pattern": "^#[0-9A-Fa-f]{6}$",
          "const": "#00FF00",
          "description": "Terminal green for main text"
        },
        "accentColor": {
          "type": "string",
          "pattern": "^#[0-9A-Fa-f]{6}$",
          "const": "#FFBF00",
          "description": "Amber for key information"
        },
        "fontFamily": {
          "type": "string",
          "pattern": "monospace",
          "description": "Monospace font stack"
        },
        "fontSize": {
          "type": "object",
          "properties": {
            "base": {
              "type": "string",
              "pattern": "^[0-9]+(px|rem|em)$",
              "default": "16px"
            },
            "heading": {
              "type": "string",
              "pattern": "^[0-9]+(px|rem|em)$",
              "default": "20px"
            },
            "small": {
              "type": "string",
              "pattern": "^[0-9]+(px|rem|em)$",
              "default": "14px"
            }
          }
        }
      }
    },
    "event": {
      "type": "object",
      "description": "Halloween event details",
      "required": ["title", "date", "startTime", "endTime", "timezone", "location", "organizer", "activities"],
      "properties": {
        "title": {
          "type": "string",
          "const": "2025 MITA Halloween"
        },
        "date": {
          "type": "string",
          "format": "date",
          "const": "2025-10-31",
          "description": "Event date in ISO format"
        },
        "startTime": {
          "type": "string",
          "pattern": "^([01]?[0-9]|2[0-3]):[0-5][0-9]$",
          "const": "18:00",
          "description": "Event start time in 24h format"
        },
        "endTime": {
          "type": "string",
          "pattern": "^([01]?[0-9]|2[0-3]):[0-5][0-9]$",
          "const": "21:00",
          "description": "Event end time in 24h format"
        },
        "timezone": {
          "type": "string",
          "const": "GMT+8",
          "description": "Event timezone"
        },
        "location": {
          "type": "string",
          "const": "MITA Building 2F Pantry",
          "description": "Physical event location"
        },
        "organizer": {
          "type": "object",
          "required": ["name", "email"],
          "properties": {
            "name": {
              "type": "string",
              "const": "Jessi Pan"
            },
            "email": {
              "type": "string",
              "format": "email",
              "const": "jessi.pan@cn.mcd.com"
            }
          }
        },
        "activities": {
          "type": "array",
          "minItems": 3,
          "maxItems": 5,
          "items": {
            "type": "string",
            "minLength": 3
          },
          "description": "List of event activities"
        },
        "notes": {
          "type": "array",
          "items": {
            "type": "string",
            "minLength": 5
          },
          "description": "Additional event information"
        },
        "audience": {
          "type": "object",
          "properties": {
            "department": {
              "type": "string",
              "const": "MITA"
            },
            "count": {
              "type": "integer",
              "const": 300
            },
            "description": {
              "type": "string",
              "const": "McDonald's China IT team members"
            }
          }
        }
      }
    },
    "countdown": {
      "type": "object",
      "description": "Countdown timer configuration",
      "required": ["targetDateTime", "timezone"],
      "properties": {
        "targetDateTime": {
          "type": "string",
          "format": "date-time",
          "const": "2025-10-31T10:00:00Z",
          "description": "Target datetime in UTC (18:00 GMT+8)"
        },
        "eventEndDateTime": {
          "type": "string",
          "format": "date-time",
          "const": "2025-10-31T13:00:00Z",
          "description": "Event end datetime in UTC (21:00 GMT+8)"
        },
        "timezone": {
          "type": "string",
          "const": "GMT+8",
          "description": "Display timezone"
        },
        "updateInterval": {
          "type": "integer",
          "minimum": 1000,
          "maximum": 1000,
          "default": 1000,
          "description": "Update interval in milliseconds"
        },
        "messages": {
          "type": "object",
          "properties": {
            "before": {
              "type": "string",
              "description": "Message to show before event"
            },
            "active": {
              "type": "string",
              "const": "🎃 EVENT STARTING NOW! 🎃",
              "description": "Message when event starts"
            },
            "ended": {
              "type": "string",
              "const": "👻 EVENT COMPLETED - Thanks for joining! 👻",
              "description": "Message after event ends"
            },
            "noJs": {
              "type": "string",
              "const": "Enable JavaScript for live countdown",
              "description": "Fallback message when JS disabled"
            }
          }
        }
      }
    },
    "ascii": {
      "type": "object",
      "description": "ASCII art content",
      "required": ["logo", "decorations"],
      "properties": {
        "logo": {
          "type": "object",
          "required": ["desktop", "mobile"],
          "properties": {
            "desktop": {
              "type": "string",
              "minLength": 50,
              "description": "McDonald's ASCII logo for desktop (with Golden Arches)"
            },
            "mobile": {
              "type": "string",
              "minLength": 20,
              "description": "McDonald's ASCII logo for mobile (simplified)"
            }
          }
        },
        "tagline": {
          "type": "object",
          "properties": {
            "text": {
              "type": "string",
              "const": "i'm lovin' IT"
            },
            "cursor": {
              "type": "string",
              "enum": ["_", "|", "█"],
              "default": "_"
            }
          }
        },
        "decorations": {
          "type": "array",
          "minItems": 1,
          "items": {
            "type": "string",
            "description": "Halloween-themed ASCII art or emoji"
          },
          "description": "Halloween decorations (pumpkins, ghosts, bats)"
        }
      }
    },
    "content": {
      "type": "object",
      "description": "Bilingual content pairs",
      "properties": {
        "pairs": {
          "type": "array",
          "items": {
            "type": "object",
            "required": ["section", "english", "chinese"],
            "properties": {
              "section": {
                "type": "string",
                "enum": ["date", "time", "location", "organizer", "activities", "notes"]
              },
              "english": {
                "type": "string",
                "minLength": 5
              },
              "chinese": {
                "type": "string",
                "minLength": 3
              },
              "order": {
                "type": "integer",
                "minimum": 1
              }
            }
          }
        }
      }
    },
    "accessibility": {
      "type": "object",
      "description": "Accessibility configuration",
      "properties": {
        "wcagLevel": {
          "type": "string",
          "enum": ["AA", "AAA"],
          "const": "AA",
          "description": "WCAG compliance level"
        },
        "contrastRatios": {
          "type": "object",
          "properties": {
            "primaryOnBackground": {
              "type": "number",
              "minimum": 21,
              "description": "Green (#00FF00) on black (#000000)"
            },
            "accentOnBackground": {
              "type": "number",
              "minimum": 12,
              "description": "Amber (#FFBF00) on black (#000000)"
            }
          }
        },
        "ariaLabels": {
          "type": "object",
          "description": "ARIA labels for screen readers"
        }
      }
    },
    "performance": {
      "type": "object",
      "description": "Performance requirements",
      "properties": {
        "maxFileSize": {
          "type": "integer",
          "maximum": 51200,
          "description": "Maximum file size in bytes (50KB)"
        },
        "maxLoadTime": {
          "type": "integer",
          "maximum": 1000,
          "description": "Maximum load time in milliseconds"
        },
        "targetFrameRate": {
          "type": "integer",
          "const": 60,
          "description": "Target frame rate for animations"
        }
      }
    }
  },
  "additionalProperties": false
}