package tools

import (
	"context"
	"encoding/json"

	"git.d-ma.be/mathias/gitea-mcp/internal/allowlist"
	"git.d-ma.be/mathias/gitea-mcp/internal/gitea"
	"git.d-ma.be/mathias/gitea-mcp/internal/registry"
)

type IssueListComments struct {
	c *gitea.Client
	a *allowlist.Allowlist
}

func NewIssueListComments(c *gitea.Client, a *allowlist.Allowlist) *IssueListComments {
	return &IssueListComments{c: c, a: a}
}

func (t *IssueListComments) Descriptor() registry.ToolDescriptor {
	return registry.ToolDescriptor{
		Name:        "issue_list_comments",
		Description: "List all comments on an issue or pull request. Returns id, body, author, html_url, and timestamps for each comment.",
		InputSchema: json.RawMessage(`{
			"type":"object",
			"properties":{
				"owner":{"type":"string"},
				"repo":{"type":"string"},
				"number":{"type":"integer","minimum":1}
			},
			"required":["owner","repo","number"]
		}`),
	}
}

type issueListCommentsArgs struct {
	Owner  string `json:"owner"`
	Repo   string `json:"repo"`
	Number int    `json:"number"`
}

func (t *IssueListComments) Call(ctx context.Context, raw json.RawMessage) (json.RawMessage, error) {
	var args issueListCommentsArgs
	if err := parseArgs(raw, &args); err != nil {
		return nil, err
	}
	if err := t.a.Check(args.Owner); err != nil {
		return nil, err
	}
	comments, err := t.c.ListIssueComments(ctx, args.Owner, args.Repo, args.Number)
	if err != nil {
		return nil, err
	}
	return textOK(comments)
}