common

type Config struct {
	ListenHTTP string

	GitHubAppID         int64
	GitHubPrivateKey    string
	GitHubWebhookSecret string

	// Atlassian OAuth 2.0 client credentials (used for per-user token refresh)
	JiraClientID     string
	JiraClientSecret string

	JiraDefaultProject   string
	JiraDefaultIssueType string

	// Kubernetes pod identity (from downward API)
	PodName      string // POD_NAME
	PodNamespace string // POD_NAMESPACE

	// Leader election config
	LeaderEnabled      bool          // derived: true when PodName and PodNamespace are both set
	LeaseDuration      time.Duration // JIRA_BOT_LEASE_DURATION, default 15s
	LeaseRenewDeadline time.Duration // JIRA_BOT_LEASE_RENEW_DEADLINE, default 10s
	TokenLeaseName     string        // JIRA_BOT_TOKEN_LEASE_NAME

	// Per-user token fields
	GitHubAppClientID     string        // JIRA_BOT_GITHUB_APP_CLIENT_ID
	GitHubAppClientSecret string        // JIRA_BOT_GITHUB_APP_CLIENT_SECRET
	UserTokenSecretName   string        // JIRA_BOT_USER_TOKEN_SECRET_NAME
	UserAuthCallbackURL   string        // JIRA_BOT_USER_AUTH_CALLBACK_URL
	RefreshCheckInterval  time.Duration // JIRA_BOT_REFRESH_CHECK_INTERVAL, default 30s, clamped [10s, 300s]

	// Atlassian Cloud ID for the target Jira site
	CloudID string // JIRA_BOT_CLOUD_ID

	// Auto-assign: whether to set the assignee field when creating issues
	JiraDefaultAssign bool // JIRA_BOT_DEFAULT_ASSIGN, default false

	// GitHub redirect base URL prepended to stored path for post-OAuth redirect
	GitHubRedirectBaseURL string // JIRA_BOT_GITHUB_REDIRECT_BASE_URL, default "https://github.com"

	// Redirect delay in seconds on the success page before auto-redirecting
	RedirectDelaySec int // JIRA_BOT_GITHUB_REDIRECT_DELAY_SECONDS, default 3
}

type GitHubClientInterface interface {
	ReactWithThumbsUp(ctx context.Context, installationID int64, issueComment *github.IssueComment) error
	ReactWithConfused(ctx context.Context, installationID int64, issueComment *github.IssueComment) error
	PostComment(ctx context.Context, installationID int64, issueComment *github.IssueComment, body string) error
	UpdateIssueDescription(ctx context.Context, installationID int64, issueComment *github.IssueComment, body string) error
	FetchComment(ctx context.Context, installationID int64, owner, repo string, commentID uint64) (*github.IssueComment, error)
	EditComment(ctx context.Context, installationID int64, owner, repo string, commentID int64, body string) error
	ListIssueComments(ctx context.Context, installationID int64, owner, repo string, issueNumber int) ([]*gogithub.IssueComment, error)
}

type JiraClientInterface interface {
	CreateIssue(project, issueType, summary, description string, extraFields map[string]interface{}) (string, error)
}

type JiraClientResolveResult struct {
	Client       JiraClientInterface
	AuthRequired bool
	AuthLink     string
	ErrorMsg     string
}

type JiraClientResolver interface {
	// Resolve looks up or constructs a per-user Jira client.
	// Returns a result indicating either a ready client or an auth link to present.
	Resolve(ctx context.Context, login string) JiraClientResolveResult
}

type RepoConfigLoaderInterface interface {
	LoadRepoConfig(ctx context.Context, installationID int64, owner, repo string) (config.RepoConfig, error)
}

type State struct {
	Config
	GitHubClient       GitHubClientInterface
	RepoConfigLoader   RepoConfigLoaderInterface
	UserTokenStore     UserTokenStore     // per-user token persistence
	JiraClientResolver JiraClientResolver // resolves per-user Jira clients
}

type UserTokenEntry = k8s.UserTokenEntry

type UserTokenStore interface {
	// Read returns a single token entry. Returns ErrNotFound if no entry exists.
	// Returns ErrMalformedEntry if the stored JSON is invalid.
	Read(ctx context.Context, login string) (UserTokenEntry, error)
	// ReadAll returns all valid token entries, skipping malformed ones.
	// Returns a map of login → entry.
	ReadAll(ctx context.Context) (map[string]UserTokenEntry, error)
	// Write creates or updates a token entry for the given login.
	// Uses optimistic concurrency with up to 3 retries on conflict.
	Write(ctx context.Context, login string, entry UserTokenEntry) error
	// Delete removes a token entry for the given login.
	Delete(ctx context.Context, login string) error
}