package tools

import (
	"context"
	"encoding/json"

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

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

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

func (t *RepoGet) Descriptor() registry.ToolDescriptor {
	return registry.ToolDescriptor{
		Name:        "repo_get",
		Description: "Get a repo's metadata.",
		InputSchema: json.RawMessage(`{
			"type":"object",
			"properties":{"owner":{"type":"string"},"name":{"type":"string"}},
			"required":["owner","name"]
		}`),
	}
}

type repoGetArgs struct {
	Owner string `json:"owner"`
	Name  string `json:"name"`
}

func (t *RepoGet) Call(ctx context.Context, raw json.RawMessage) (json.RawMessage, error) {
	var args repoGetArgs
	if err := parseArgs(raw, &args); err != nil {
		return nil, err
	}
	if err := t.a.Check(args.Owner); err != nil {
		return nil, err
	}
	r, err := t.c.GetRepo(ctx, args.Owner, args.Name)
	if err != nil {
		return nil, err
	}
	return textOK(r)
}