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 ReleaseCreate struct {
	c *gitea.Client
	a *allowlist.Allowlist
}

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

func (t *ReleaseCreate) Descriptor() registry.ToolDescriptor {
	return registry.ToolDescriptor{
		Name:        "release_create",
		Description: "Create a release (and tag if it doesn't exist) for a repository.",
		InputSchema: json.RawMessage(`{
			"type":"object",
			"properties":{
				"owner":{"type":"string"},
				"name":{"type":"string"},
				"tag_name":{"type":"string","description":"Tag to create or use, e.g. 'v1.0.0'."},
				"release_name":{"type":"string","description":"Display name for the release."},
				"body":{"type":"string","description":"Release notes / changelog."},
				"draft":{"type":"boolean"},
				"prerelease":{"type":"boolean"},
				"target":{"type":"string","description":"Branch or commit SHA to tag. Defaults to repo default branch."}
			},
			"required":["owner","name","tag_name"]
		}`),
	}
}

type releaseCreateArgs struct {
	Owner       string `json:"owner"`
	Name        string `json:"name"`
	TagName     string `json:"tag_name"`
	ReleaseName string `json:"release_name"`
	Body        string `json:"body"`
	Draft       bool   `json:"draft"`
	Prerelease  bool   `json:"prerelease"`
	Target      string `json:"target"`
}

func (t *ReleaseCreate) Call(ctx context.Context, raw json.RawMessage) (json.RawMessage, error) {
	var args releaseCreateArgs
	if err := parseArgs(raw, &args); err != nil {
		return nil, err
	}
	if err := t.a.Check(args.Owner); err != nil {
		return nil, err
	}
	rel, err := t.c.CreateRelease(ctx, args.Owner, args.Name, gitea.CreateReleaseArgs{
		TagName:    args.TagName,
		Name:       args.ReleaseName,
		Body:       args.Body,
		Draft:      args.Draft,
		Prerelease: args.Prerelease,
		Target:     args.Target,
	})
	if err != nil {
		return nil, err
	}
	return textOK(rel)
}