git

type Base struct {
	Ref string
	Sha string
}

type Branch struct {
	Name     string
	CommitID string
}

type Change struct {
	Filename    string
	OldFilename string
	Additions   int
	Deletions   int
	Changes     int // Changes should be equal to the addition of Additions and Deletions
}

type Client interface {
	Init() error

	ListWebhook() ([]WebhookEntry, error)
	RegisterWebhook(url string) error
	DeleteWebhook(id int) error
	ParseWebhook(http.Header, []byte) (*Webhook, error)

	ListCommitStatuses(ref string) ([]CommitStatus, error)
	SetCommitStatus(sha string, status CommitStatus) error

	GetUserInfo(user string) (*User, error)
	CanUserWriteToRepo(user User) (bool, error)

	RegisterComment(issueType IssueType, issueNo int, body string) error

	ListPullRequests(onlyOpen bool) ([]PullRequest, error)
	GetPullRequest(id int) (*PullRequest, error)
	MergePullRequest(id int, sha string, method MergeMethod, message string) error
	GetPullRequestDiff(id int) (*Diff, error)
	ListPullRequestCommits(id int) ([]Commit, error)

	SetLabel(issueType IssueType, id int, label string) error
	DeleteLabel(issueType IssueType, id int, label string) error

	GetBranch(branch string) (*Branch, error)
}

type Comment struct {
	Body string

	CreatedAt *metav1.Time
}

type Commit struct {
	SHA       string
	Message   string
	Author    User
	Committer User
}

type CommitStatus struct {
	Context     string
	State       CommitStatusState
	Description string
	TargetURL   string
}

type CommitStatusState string

type Diff struct {
	Changes []Change
}

type EventType string

type Head struct {
	Ref string
	Sha string
}

type Issue struct {
	PullRequest *PullRequest
}

type IssueComment struct {
	Comment     Comment
	Issue       Issue
	Author      User
	ReviewState PullRequestReviewState
}

type IssueLabel struct {
	Name string
}

type IssueType string

type LinkHeader []LinkHeaderEntry

type LinkHeaderEntry struct {
	URL string
	Rel string
}

type MergeMethod string

type PullRequest struct {
	ID        int
	Title     string
	State     PullRequestState
	Action    PullRequestAction
	Author    User
	URL       string
	Base      Base
	Head      Head
	Labels    []IssueLabel
	Mergeable bool

	// LabelChanged
	LabelChanged []IssueLabel
}

type PullRequestAction string

type PullRequestReviewState string

type PullRequestState string

type Push struct {
	Ref string
	Sha string
}

type Repository struct {
	Name string
	URL  string
}

type UnauthorizedError struct {
	User string
	Repo string
}

type User struct {
	ID    int
	Name  string
	Email string
}

type Webhook struct {
	EventType EventType
	Repo      Repository
	Sender    User

	Push         *Push
	PullRequest  *PullRequest
	IssueComment *IssueComment
}

type WebhookEntry struct {
	ID  int
	URL string
}