{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://github.com/schemas/github/pull-request.json",
  "title": "GitHub Pull Request",
  "description": "A GitHub pull request representing a proposed change to a repository, including metadata for code review, merging, and CI/CD status.",
  "type": "object",
  "required": ["id", "number", "title", "state", "user", "head", "base"],
  "properties": {
    "id": {
      "type": "integer",
      "description": "The unique identifier of the pull request."
    },
    "node_id": {
      "type": "string",
      "description": "The GraphQL node ID for the pull request."
    },
    "url": {
      "type": "string",
      "format": "uri",
      "description": "The API URL for the pull request."
    },
    "html_url": {
      "type": "string",
      "format": "uri",
      "description": "The URL of the pull request on GitHub."
    },
    "diff_url": {
      "type": "string",
      "format": "uri",
      "description": "The URL to the pull request diff."
    },
    "patch_url": {
      "type": "string",
      "format": "uri",
      "description": "The URL to the pull request patch."
    },
    "number": {
      "type": "integer",
      "minimum": 1,
      "description": "The pull request number within the repository."
    },
    "state": {
      "type": "string",
      "enum": ["open", "closed"],
      "description": "The current state of the pull request."
    },
    "locked": {
      "type": "boolean",
      "description": "Whether the pull request is locked."
    },
    "title": {
      "type": "string",
      "description": "The title of the pull request.",
      "minLength": 1
    },
    "body": {
      "type": ["string", "null"],
      "description": "The contents of the pull request description in Markdown format."
    },
    "user": {
      "$ref": "#/$defs/SimpleUser"
    },
    "labels": {
      "type": "array",
      "description": "Labels applied to the pull request.",
      "items": {
        "$ref": "#/$defs/Label"
      }
    },
    "assignees": {
      "type": "array",
      "description": "Users assigned to the pull request.",
      "items": {
        "$ref": "#/$defs/SimpleUser"
      }
    },
    "requested_reviewers": {
      "type": "array",
      "description": "Users requested to review the pull request.",
      "items": {
        "$ref": "#/$defs/SimpleUser"
      }
    },
    "requested_teams": {
      "type": "array",
      "description": "Teams requested to review the pull request.",
      "items": {
        "$ref": "#/$defs/Team"
      }
    },
    "head": {
      "$ref": "#/$defs/BranchRef"
    },
    "base": {
      "$ref": "#/$defs/BranchRef"
    },
    "draft": {
      "type": "boolean",
      "description": "Whether the pull request is a draft."
    },
    "merged": {
      "type": "boolean",
      "description": "Whether the pull request has been merged."
    },
    "mergeable": {
      "type": ["boolean", "null"],
      "description": "Whether the pull request can be merged. Null if not yet computed."
    },
    "mergeable_state": {
      "type": "string",
      "description": "The mergeability state of the pull request."
    },
    "merge_commit_sha": {
      "type": ["string", "null"],
      "description": "The SHA of the merge commit, if merged."
    },
    "merged_by": {
      "oneOf": [
        { "$ref": "#/$defs/SimpleUser" },
        { "type": "null" }
      ],
      "description": "The user who merged the pull request."
    },
    "comments": {
      "type": "integer",
      "minimum": 0,
      "description": "The number of comments on the pull request."
    },
    "review_comments": {
      "type": "integer",
      "minimum": 0,
      "description": "The number of review comments on the pull request."
    },
    "commits": {
      "type": "integer",
      "minimum": 0,
      "description": "The number of commits in the pull request."
    },
    "additions": {
      "type": "integer",
      "minimum": 0,
      "description": "The number of lines added."
    },
    "deletions": {
      "type": "integer",
      "minimum": 0,
      "description": "The number of lines deleted."
    },
    "changed_files": {
      "type": "integer",
      "minimum": 0,
      "description": "The number of changed files."
    },
    "created_at": {
      "type": "string",
      "format": "date-time",
      "description": "The date and time the pull request was created."
    },
    "updated_at": {
      "type": "string",
      "format": "date-time",
      "description": "The date and time the pull request was last updated."
    },
    "closed_at": {
      "type": ["string", "null"],
      "format": "date-time",
      "description": "The date and time the pull request was closed."
    },
    "merged_at": {
      "type": ["string", "null"],
      "format": "date-time",
      "description": "The date and time the pull request was merged."
    },
    "auto_merge": {
      "type": ["object", "null"],
      "description": "Auto-merge configuration if enabled.",
      "properties": {
        "enabled_by": {
          "$ref": "#/$defs/SimpleUser"
        },
        "merge_method": {
          "type": "string",
          "enum": ["merge", "squash", "rebase"],
          "description": "The merge method to use."
        },
        "commit_title": {
          "type": "string",
          "description": "The commit title for the auto-merge."
        },
        "commit_message": {
          "type": "string",
          "description": "The commit message for the auto-merge."
        }
      }
    },
    "author_association": {
      "type": "string",
      "enum": ["COLLABORATOR", "CONTRIBUTOR", "FIRST_TIMER", "FIRST_TIME_CONTRIBUTOR", "MANNEQUIN", "MEMBER", "NONE", "OWNER"],
      "description": "How the author is associated with the repository."
    }
  },
  "$defs": {
    "SimpleUser": {
      "type": "object",
      "description": "A simplified representation of a GitHub user.",
      "required": ["login", "id"],
      "properties": {
        "login": {
          "type": "string",
          "description": "The username of the user."
        },
        "id": {
          "type": "integer",
          "description": "The unique identifier for the user."
        },
        "node_id": {
          "type": "string",
          "description": "The GraphQL node ID."
        },
        "avatar_url": {
          "type": "string",
          "format": "uri",
          "description": "URL to the user's avatar image."
        },
        "html_url": {
          "type": "string",
          "format": "uri",
          "description": "URL to the user's GitHub profile."
        },
        "type": {
          "type": "string",
          "enum": ["User", "Organization", "Bot"],
          "description": "The type of account."
        }
      }
    },
    "Label": {
      "type": "object",
      "description": "A label applied to an issue or pull request.",
      "required": ["id", "name"],
      "properties": {
        "id": {
          "type": "integer",
          "description": "The unique identifier of the label."
        },
        "name": {
          "type": "string",
          "description": "The name of the label."
        },
        "color": {
          "type": "string",
          "pattern": "^[0-9a-fA-F]{6}$",
          "description": "The hex color code of the label."
        },
        "description": {
          "type": ["string", "null"],
          "description": "A description of the label."
        }
      }
    },
    "Team": {
      "type": "object",
      "description": "A GitHub team within an organization.",
      "required": ["id", "name", "slug"],
      "properties": {
        "id": {
          "type": "integer",
          "description": "The unique identifier of the team."
        },
        "node_id": {
          "type": "string",
          "description": "The GraphQL node ID."
        },
        "name": {
          "type": "string",
          "description": "The name of the team."
        },
        "slug": {
          "type": "string",
          "description": "The URL-friendly slug of the team name."
        },
        "description": {
          "type": ["string", "null"],
          "description": "A description of the team."
        },
        "privacy": {
          "type": "string",
          "enum": ["closed", "secret"],
          "description": "The privacy level of the team."
        },
        "permission": {
          "type": "string",
          "description": "The default permission level for repositories."
        }
      }
    },
    "BranchRef": {
      "type": "object",
      "description": "A reference to a branch in a repository.",
      "required": ["label", "ref", "sha"],
      "properties": {
        "label": {
          "type": "string",
          "description": "The label for the branch in owner:branch format."
        },
        "ref": {
          "type": "string",
          "description": "The branch name."
        },
        "sha": {
          "type": "string",
          "pattern": "^[0-9a-f]{40}$",
          "description": "The SHA of the head commit on the branch."
        },
        "user": {
          "$ref": "#/$defs/SimpleUser"
        },
        "repo": {
          "type": ["object", "null"],
          "description": "The repository the branch belongs to.",
          "properties": {
            "id": {
              "type": "integer",
              "description": "The repository ID."
            },
            "name": {
              "type": "string",
              "description": "The repository name."
            },
            "full_name": {
              "type": "string",
              "description": "The full repository name."
            },
            "owner": {
              "$ref": "#/$defs/SimpleUser"
            }
          }
        }
      }
    }
  }
}