"""Interactive prompts for Project Scaffold CLI."""

from typing import Optional, Tuple

import click

from .config import Config


class ProjectPrompts:
    """Interactive prompt collection for project configuration."""

    LICENSE_CHOICES = ["MIT", "Apache-2.0", "GPL-3.0", "BSD-3-Clause", "None"]

    LANGUAGE_CHOICES = ["python", "nodejs", "go", "rust"]

    CI_CHOICES = ["github", "gitlab", "none"]

    def __init__(self, config: Config):
        self.config = config

    def collect_inputs(
        self,
        project_name: Optional[str],
        language: Optional[str],
        author: Optional[str],
        email: Optional[str],
        description: Optional[str],
        license: Optional[str],
        ci: Optional[str],
        template: Optional[str],
    ) -> Tuple[
        Optional[str],
        Optional[str],
        Optional[str],
        Optional[str],
        Optional[str],
        Optional[str],
        Optional[str],
        Optional[str],
    ]:
        """Collect all project configuration inputs interactively."""
        project_name = self._prompt_project_name(project_name)
        language = self._prompt_language(language)
        author = self._prompt_author(author)
        email = self._prompt_email(email)
        description = self._prompt_description(description)
        license = self._prompt_license(license)
        ci = self._prompt_ci(ci)

        return (project_name, language, author, email, description, license, ci, template)

    def _prompt_project_name(self, default: Optional[str]) -> Optional[str]:
        """Prompt for project name."""
        if default:
            return default

        return click.prompt(
            "Project name",
            type=str,
            default=default,
            value_proc=lambda x: x.strip() if x else x,
        )

    def _prompt_language(self, default: Optional[str]) -> Optional[str]:
        """Prompt for programming language."""
        if default:
            return default

        return click.prompt(
            "Project language",
            type=click.Choice(self.LANGUAGE_CHOICES),
            default=self.config.default_language or "python",
        )

    def _prompt_author(self, default: Optional[str]) -> Optional[str]:
        """Prompt for author name."""
        if default:
            return default

        if self.config.author:
            use_default = click.confirm(
                f"Use '{self.config.author}' as author?", default=True
            )
            if use_default:
                return self.config.author

        return click.prompt(
            "Author name",
            type=str,
            default=self.config.author or "Your Name",
        )

    def _prompt_email(self, default: Optional[str]) -> Optional[str]:
        """Prompt for author email."""
        if default:
            return default

        if self.config.email:
            use_default = click.confirm(
                f"Use '{self.config.email}' as email?", default=True
            )
            if use_default:
                return self.config.email

        return click.prompt(
            "Author email",
            type=str,
            default=self.config.email or "your.email@example.com",
        )

    def _prompt_description(self, default: Optional[str]) -> Optional[str]:
        """Prompt for project description."""
        if default:
            return default

        if self.config.description:
            use_default = click.confirm(
                f"Use '{self.config.description}' as description?", default=True
            )
            if use_default:
                return self.config.description

        return click.prompt(
            "Project description",
            type=str,
            default=self.config.description or "A new project",
        )

    def _prompt_license(self, default: Optional[str]) -> Optional[str]:
        """Prompt for license type."""
        if default:
            return default

        if self.config.license:
            use_default = click.confirm(
                f"Use '{self.config.license}' as license?", default=True
            )
            if use_default:
                return self.config.license

        return click.prompt(
            "License",
            type=click.Choice(self.LICENSE_CHOICES),
            default=self.config.license or "MIT",
        )

    def _prompt_ci(self, default: Optional[str]) -> Optional[str]:
        """Prompt for CI/CD provider."""
        if default:
            return default

        if self.config.default_ci:
            use_default = click.confirm(
                f"Use '{self.config.default_ci}' for CI/CD?", default=True
            )
            if use_default:
                return self.config.default_ci

        return click.prompt(
            "CI/CD provider",
            type=click.Choice(self.CI_CHOICES),
            default=self.config.default_ci or "none",
        )