const (
    ChangeStatusNew       = "NEW"
    ChangeStatusAbandoned = "ABANDONED"
    ChangeStatusMerged    = "MERGED"
)

var ErrChangeNotExist = errors.New("gerrit: requested change does not exist")

var ErrProjectNotExist = errors.New("gerrit: requested project does not exist")

var NoAuth = noAuth{}

type AccountInfo struct {
    NumericID int64  `json:"_account_id"`
    Name      string `json:"name,omitempty"`
    Email     string `json:"email,omitempty"`
    Username  string `json:"username,omitempty"`

    // MoreAccounts is set on the last account from QueryAccounts if
    // the result set is truncated by an 'n' parameter (or has more).
    MoreAccounts bool `json:"_more_accounts"`
}

type ApprovalInfo struct {
    AccountInfo
    Value int       `json:"value"`
    Date  TimeStamp `json:"date"`
}

type Auth interface {
    // contains filtered or unexported methods
}

type BranchInfo struct {
    Ref       string `json:"ref"`
    Revision  string `json:"revision"`
    CanDelete bool   `json:"can_delete"`
}

type ChangeInfo struct {
    // ID is the ID of the change in the format
    // "'<project>~<branch>~<Change-Id>'", where 'project',
    // 'branch' and 'Change-Id' are URL encoded. For 'branch' the
    // refs/heads/ prefix is omitted.
    ID           string `json:"id"`
    ChangeNumber int    `json:"_number"`

    Project string `json:"project"`

    // Branch is the name of the target branch.
    // The refs/heads/ prefix is omitted.
    Branch string `json:"branch"`

    ChangeID string `json:"change_id"`

    Subject string `json:"subject"`

    // Status is the status of the change (NEW, SUBMITTED, MERGED,
    // ABANDONED, DRAFT).
    Status string `json:"status"`

    Created  TimeStamp `json:"created"`
    Updated  TimeStamp `json:"updated"`
    Mergable bool      `json:"mergable"`

    // CurrentRevision is the commit ID of the current patch set
    // of this change.  This is only set if the current revision
    // is requested or if all revisions are requested (fields
    // "CURRENT_REVISION" or "ALL_REVISIONS").
    CurrentRevision string `json:"current_revision"`

    // Revisions maps a commit ID of the patch set to a
    // RevisionInfo entity.
    //
    // Only set if the current revision is requested (in which
    // case it will only contain a key for the current revision)
    // or if all revisions are requested.
    Revisions map[string]RevisionInfo `json:"revisions"`

    // Owner is the author of the change.
    // The details are only filled in if field "DETAILED_ACCOUNTS" is requested.
    Owner *AccountInfo `json:"owner"`

    // Messages are included if field "MESSAGES" is requested.
    Messages []ChangeMessageInfo `json:"messages"`

    Labels map[string]LabelInfo `json:"labels"`

    // MoreChanges is set on the last change from QueryChanges if
    // the result set is truncated by an 'n' parameter.
    MoreChanges bool `json:"_more_changes"`
}

type ChangeMessageInfo struct {
    ID             string       `json:"id"`
    Author         *AccountInfo `json:"author"`
    Time           TimeStamp    `json:"date"`
    Message        string       `json:"message"`
    RevisionNumber int          `json:"_revision_number"`
}

type Client struct {

    // HTTPClient optionally specifies an HTTP client to use
    // instead of http.DefaultClient.
    HTTPClient *http.Client
    // contains filtered or unexported fields
}

type CommentInput struct {
    Line    int    `json:"line"`
    Message string `json:"message"`
}

type CommitInfo struct {
    Author    GitPersonInfo `json:"author"`
    Committer GitPersonInfo `json:"committer"`
    CommitID  string        `json:"commit"`
    Subject   string        `json:"subject"`
    Message   string        `json:"message"`
    Parents   []CommitInfo  `json:"parents"`
}

type FetchInfo struct {
    URL      string            `json:"url"`
    Ref      string            `json:"ref"`
    Commands map[string]string `json:"commands"`
}

type FileInfo struct {
    Status        string `json:"status"`
    Binary        bool   `json:"binary"`
    OldPath       string `json:"old_path"`
    LinesInserted int    `json:"lines_inserted"`
    LinesDeleted  int    `json:"lines_deleted"`
}

type GitPersonInfo struct {
    Name     string    `json:"name"`
    Email    string    `json:"Email"`
    Date     TimeStamp `json:"date"`
    TZOffset int       `json:"tz"`
}

type GroupInfo struct {
    ID      string           `json:"id"`
    URL     string           `json:"url"`
    Name    string           `json:"name"`
    GroupID int64            `json:"group_id"`
    Options GroupOptionsInfo `json:"options"`
    Owner   string           `json:"owner"`
    OwnerID string           `json:"owner_id"`
}

type GroupOptionsInfo struct {
    VisibleToAll bool `json:"visible_to_all"`
}

type HTTPError struct {
    Res     *http.Response
    Body    []byte // 4KB prefix
    BodyErr error  // any error reading Body
}

type HashtagsInput struct {
    Add    []string `json:"add"`
    Remove []string `json:"remove"`
}

type LabelInfo struct {
    // Optional means the label may be set, but it’s neither
    // necessary for submission nor does it block submission if
    // set.
    Optional bool `json:"optional"`

    All []ApprovalInfo `json:"all"`
}

type ProjectInfo struct {
    ID          string            `json:"id"`
    Name        string            `json:"name"`
    Parent      string            `json:"parent"`
    CloneURL    string            `json:"clone_url"`
    Description string            `json:"description"`
    State       string            `json:"state"`
    Branches    map[string]string `json:"branches"`
}

type ProjectInput struct {
    Parent      string `json:"parent,omitempty"`
    Description string `json:"description,omitempty"`
    SubmitType  string `json:"submit_type,omitempty"`

    CreateNewChangeForAllNotInTarget string `json:"create_new_change_for_all_not_in_target,omitempty"`
}

type QueryAccountsOpt struct {
    // N is the number of results to return.
    // If 0, the 'n' parameter is not sent to Gerrit.
    N   int

    // Start is the number of results to skip (useful in pagination).
    // To figure out if there are more results, the last AccountInfo struct
    // in the last call to QueryAccounts will have the field MoreAccounts=true.
    // If 0, the 'S' parameter is not sent to Gerrit.
    Start int

    // Fields are optional fields to also return.
    // Example strings include "DETAILS", "ALL_EMAILS".
    // By default, only the account IDs are returned.
    // For a complete list, see:
    // https://gerrit-review.googlesource.com/Documentation/rest-api-accounts.html#query-account
    Fields []string
}

type QueryChangesOpt struct {
    // N is the number of results to return.
    // If 0, the 'n' parameter is not sent to Gerrit.
    N   int

    // Start is the number of results to skip (useful in pagination).
    // To figure out if there are more results, the last ChangeInfo struct
    // in the last call to QueryChanges will have the field MoreAccounts=true.
    // If 0, the 'S' parameter is not sent to Gerrit.
    Start int

    // Fields are optional fields to also return.
    // Example strings include "ALL_REVISIONS", "LABELS", "MESSAGES".
    // For a complete list, see:
    // https://gerrit-review.googlesource.com/Documentation/rest-api-changes.html#change-info
    Fields []string
}

type ReviewInput struct {
    Message string         `json:"message,omitempty"`
    Labels  map[string]int `json:"labels,omitempty"`

    // Comments contains optional per-line comments to post.
    // The map key is a file path (such as "src/foo/bar.go").
    Comments map[string][]CommentInput `json:"comments,omitempty"`

    // Reviewers optionally specifies new reviewers to add to the change.
    Reviewers []ReviewerInput `json:"reviewers,omitempty"`
}

type ReviewerInfo struct {
    AccountInfo
    Approvals map[string]string `json:"approvals"`
}

type ReviewerInput struct {
    // Reviewer is the ID of the account to be added as reviewer.
    // See https://gerrit-review.googlesource.com/Documentation/rest-api-accounts.html#account-id
    Reviewer string `json:"reviewer"`
    State    string `json:"state,omitempty"` // REVIEWER or CC (default: REVIEWER)
}

type RevisionInfo struct {
    Draft          bool                  `json:"draft"`
    PatchSetNumber int                   `json:"_number"`
    Created        TimeStamp             `json:"created"`
    Uploader       *AccountInfo          `json:"uploader"`
    Ref            string                `json:"ref"`
    Fetch          map[string]*FetchInfo `json:"fetch"`
    Commit         *CommitInfo           `json:"commit"`
    Files          map[string]*FileInfo  `json:"files"`
}

type TimeStamp time.Time