package tools

import (
	"context"
	"encoding/json"
	"fmt"

	"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"
)

// WorkflowRunStatus fetches the status of a Gitea Actions run.
type WorkflowRunStatus struct {
	c *gitea.Client
	a *allowlist.Allowlist
}

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

func (t *WorkflowRunStatus) Descriptor() registry.ToolDescriptor {
	return registry.ToolDescriptor{
		Name:        "workflow_run_status",
		Description: "Get the status of a Gitea Actions workflow run.",
		InputSchema: json.RawMessage(`{
			"type":"object",
			"properties":{
				"owner":{"type":"string"},
				"name":{"type":"string"},
				"run_id":{"type":"integer","minimum":1}
			},
			"required":["owner","name","run_id"]
		}`),
	}
}

type workflowRunStatusArgs struct {
	Owner string `json:"owner"`
	Name  string `json:"name"`
	RunID int64  `json:"run_id"`
}

func (t *WorkflowRunStatus) Call(ctx context.Context, raw json.RawMessage) (json.RawMessage, error) {
	var args workflowRunStatusArgs
	if err := parseArgs(raw, &args); err != nil {
		return nil, err
	}
	if err := t.a.Check(args.Owner); err != nil {
		return nil, err
	}
	if args.RunID < 1 {
		return nil, fmt.Errorf("run_id must be >= 1: %w", gitea.ErrValidation)
	}

	run, err := t.c.GetWorkflowRun(ctx, args.Owner, args.Name, args.RunID)
	if err != nil {
		return nil, err
	}

	return textOK(map[string]any{
		"run_id":     run.ID,
		"status":     run.Status,
		"conclusion": run.Conclusion,
		"started_at": run.StartedAt,
		"html_url":   run.HTMLURL,
	})
}