package webhook

import "time"

// GiteaEventType represents the type of Gitea webhook event
type GiteaEventType string

const (
	EventPullRequest        GiteaEventType = "pull_request"
	EventPullRequestReview  GiteaEventType = "pull_request_review"
	EventPullRequestComment GiteaEventType = "pull_request_comment"
	EventIssues             GiteaEventType = "issues"
	EventIssueComment       GiteaEventType = "issue_comment"
)

// GiteaUser represents a Gitea user in webhook payloads
type GiteaUser struct {
	ID       int64  `json:"id"`
	Login    string `json:"login"`
	FullName string `json:"full_name"`
	Email    string `json:"email"`
	Username string `json:"username"`
}

// Repository represents a Gitea repository
type Repository struct {
	ID       int64  `json:"id"`
	Name     string `json:"name"`
	FullName string `json:"full_name"`
	HTMLURL  string `json:"html_url"`
}

// PullRequest represents a Gitea pull request
type PullRequest struct {
	ID                 int64       `json:"id"`
	Number             int64       `json:"number"`
	Title              string      `json:"title"`
	Body               string      `json:"body"`
	State              string      `json:"state"`
	HTMLURL            string      `json:"html_url"`
	User               GiteaUser   `json:"user"`
	Assignees          []GiteaUser `json:"assignees"`
	RequestedReviewers []GiteaUser `json:"requested_reviewers"`
	Merged             bool        `json:"merged"`
	CreatedAt          time.Time   `json:"created_at"`
	UpdatedAt          time.Time   `json:"updated_at"`
}

// Issue represents a Gitea issue
type Issue struct {
	ID        int64       `json:"id"`
	Number    int64       `json:"number"`
	Title     string      `json:"title"`
	Body      string      `json:"body"`
	State     string      `json:"state"`
	HTMLURL   string      `json:"html_url"`
	User      GiteaUser   `json:"user"`
	Assignees []GiteaUser `json:"assignees"`
	CreatedAt time.Time   `json:"created_at"`
	UpdatedAt time.Time   `json:"updated_at"`
}

// Comment represents a comment on PR or Issue
type Comment struct {
	ID        int64     `json:"id"`
	Body      string    `json:"body"`
	HTMLURL   string    `json:"html_url"`
	User      GiteaUser `json:"user"`
	CreatedAt time.Time `json:"created_at"`
	UpdatedAt time.Time `json:"updated_at"`
}

// Review represents a PR review
type Review struct {
	ID          int64     `json:"id"`
	Body        string    `json:"body"`
	State       string    `json:"state"` // APPROVED, CHANGES_REQUESTED, COMMENT
	HTMLURL     string    `json:"html_url"`
	User        GiteaUser `json:"user"`
	SubmittedAt time.Time `json:"submitted_at"`
}

// Commit represents a Git commit in webhook payloads
type Commit struct {
	ID        string    `json:"id"`  // SHA
	Message   string    `json:"message"`
	URL       string    `json:"url"`
	Author    GitUser   `json:"author"`
	Committer GitUser   `json:"committer"`
	Timestamp time.Time `json:"timestamp"`
}

// GitUser represents a git author/committer (different from GiteaUser)
type GitUser struct {
	Name     string `json:"name"`
	Email    string `json:"email"`
	Username string `json:"username"`
}

// PullRequestEvent is the payload for pull_request webhooks
type PullRequestEvent struct {
	Action             string       `json:"action"` // opened, closed, reopened, edited, assigned, unassigned, review_requested, synchronize, etc.
	Number             int64        `json:"number"`
	PullRequest        PullRequest  `json:"pull_request"`
	Repository         Repository   `json:"repository"`
	Sender             GiteaUser    `json:"sender"`
	RequestedReviewers []GiteaUser  `json:"requested_reviewers"`
	RequestedReviewer  *GiteaUser   `json:"requested_reviewer"`  // Present on review_requested action (singular)
	Assignee           *GiteaUser   `json:"assignee"`            // Present on assigned/unassigned action
	Commits            []Commit     `json:"commits"`             // Present on synchronize action
}

// PullRequestReviewEvent is the payload for pull_request_review webhooks
type PullRequestReviewEvent struct {
	Action      string      `json:"action"` // submitted
	Review      Review      `json:"review"`
	PullRequest PullRequest `json:"pull_request"`
	Repository  Repository  `json:"repository"`
	Sender      GiteaUser   `json:"sender"`
}

// PullRequestCommentEvent is the payload for pull_request_comment webhooks
type PullRequestCommentEvent struct {
	Action      string      `json:"action"` // created, edited, deleted
	Comment     Comment     `json:"comment"`
	PullRequest PullRequest `json:"pull_request"`
	Repository  Repository  `json:"repository"`
	Sender      GiteaUser   `json:"sender"`
}

// IssueEvent is the payload for issues webhooks
type IssueEvent struct {
	Action     string     `json:"action"` // opened, closed, reopened, edited, assigned, unassigned, etc.
	Issue      Issue      `json:"issue"`
	Repository Repository `json:"repository"`
	Sender     GiteaUser  `json:"sender"`
}

// IssueCommentEvent is the payload for issue_comment webhooks
type IssueCommentEvent struct {
	Action     string     `json:"action"` // created, edited, deleted
	Comment    Comment    `json:"comment"`
	Issue      Issue      `json:"issue"`
	Repository Repository `json:"repository"`
	Sender     GiteaUser  `json:"sender"`
}