pr

type Builder struct {
	// contains filtered or unexported fields
}

type Filter struct {
	State     State    // Filter by state (empty = all)
	Base      string   // Filter by base branch
	Head      string   // Filter by head branch
	Author    string   // Filter by author username
	Labels    []string // Filter by labels (all must match)
	Sort      string   // Sort field (created, updated)
	Direction string   // Sort direction (asc, desc)
	Limit     int      // Maximum number to return (0 = default)
}

type GitHubProvider struct {
	// contains filtered or unexported fields
}

type GitLabProvider struct {
	// contains filtered or unexported fields
}

type MergeMethod string

type MergeOptions struct {
	Method        MergeMethod // Merge method (merge, squash, rebase)
	CommitTitle   string      // Custom commit title (for squash/merge)
	CommitMessage string      // Custom commit message (for squash/merge)
	SHA           string      // Expected HEAD SHA (for optimistic locking)
	DeleteBranch  bool        // Delete source branch after merge
}

type MockProvider struct {
	CreatePRFunc      func(ctx context.Context, opts Options) (*PullRequest, error)
	GetPRFunc         func(ctx context.Context, id int) (*PullRequest, error)
	UpdatePRFunc      func(ctx context.Context, id int, opts UpdateOptions) (*PullRequest, error)
	MergePRFunc       func(ctx context.Context, id int, opts MergeOptions) error
	AddCommentFunc    func(ctx context.Context, id int, body string) error
	RequestReviewFunc func(ctx context.Context, id int, reviewers []string) error
	ListPRsFunc       func(ctx context.Context, filter Filter) ([]*PullRequest, error)
}

type Options struct {
	Title     string            // PR title (required)
	Body      string            // PR description (markdown)
	Base      string            // Target branch (default: "main")
	Head      string            // Source branch (auto-detected if empty)
	Labels    []string          // Labels to apply
	Reviewers []string          // Reviewer usernames
	Assignees []string          // Assignee usernames
	Draft     bool              // Create as draft
	Milestone string            // Milestone name or ID
	Metadata  map[string]string // Additional metadata
}

type Provider interface {
	// CreatePR creates a new pull request.
	CreatePR(ctx context.Context, opts Options) (*PullRequest, error)

	// GetPR retrieves a pull request by ID.
	GetPR(ctx context.Context, id int) (*PullRequest, error)

	// UpdatePR updates an existing pull request.
	UpdatePR(ctx context.Context, id int, opts UpdateOptions) (*PullRequest, error)

	// MergePR merges a pull request.
	MergePR(ctx context.Context, id int, opts MergeOptions) error

	// AddComment adds a comment to a pull request.
	AddComment(ctx context.Context, id int, body string) error

	// RequestReview requests review from the specified users.
	RequestReview(ctx context.Context, id int, reviewers []string) error

	// ListPRs lists pull requests matching the filter.
	ListPRs(ctx context.Context, filter Filter) ([]*PullRequest, error)
}

type PullRequest struct {
	ID           int        // PR number/ID
	URL          string     // Web URL
	HTMLURL      string     // Full HTML URL
	Title        string     // PR title
	Body         string     // PR description
	State        State      // Current state
	Draft        bool       // Whether it's a draft
	Head         string     // Source branch
	Base         string     // Target branch
	CreatedAt    time.Time  // Creation time
	UpdatedAt    time.Time  // Last update time
	MergedAt     *time.Time // Merge time (nil if not merged)
	MergedBy     string     // Username who merged
	Commits      int        // Number of commits
	Additions    int        // Lines added
	Deletions    int        // Lines deleted
	ChangedFiles int        // Number of files changed
	Labels       []string   // Applied labels
	Reviewers    []string   // Requested reviewers
	Assignees    []string   // Assigned users
}

type State string

type UpdateOptions struct {
	Title     *string  // New title (nil = no change)
	Body      *string  // New body (nil = no change)
	Base      *string  // New base branch (nil = no change)
	Labels    []string // Labels to set (replaces existing)
	Assignees []string // Assignees to set (replaces existing)
	Draft     *bool    // Draft status (nil = no change)
}