import chalk from 'chalk';
import inquirer from 'inquirer';
import axios from 'axios';
import fs from 'fs-extra';
import path from 'path';
import { getAuthHeaders } from './utils/webLogin';
import { getPinmeApiUrl } from './utils/config';
import tracker, { getTrackErrorReason } from './utils/tracker';
import {
  TRACK_EVENTS,
  TRACK_PAGES,
  resolveTrackAction,
} from './utils/trackerEvents';

interface DeleteOptions {
    name?: string;
    force?: boolean;
}

// 从 pinme.toml 获取项目名
function getProjectName(): string | null {
    const configPath = path.join(process.cwd(), 'pinme.toml');
    if (!fs.existsSync(configPath)) {
        return null;
    }
    const config = fs.readFileSync(configPath, 'utf-8');
    const match = config.match(/project_name\s*=\s*"([^"]+)"/);
    return match?.[1] || null;
}

/**
 * Delete a project: removes Worker domain binding, Worker script, D1 database
 */
export default async function deleteCmd(options: DeleteOptions): Promise<void> {
    try {
        // Check if user is logged in
        const headers = getAuthHeaders();
        if (!headers['authentication-tokens'] || !headers['token-address']) {
            console.log(chalk.yellow('\n⚠️  You are not logged in.'));
            console.log(chalk.gray('Please run: pinme login'));
            process.exit(1);
        }

        console.log(chalk.blue('Deleting project...\n'));

        // Get project name from pinme.toml or options
        let projectName = options.name || getProjectName();

        if (!projectName) {
            console.log(chalk.red('\n❌ Error: Cannot find project name.'));
            console.log(chalk.yellow('   Please make sure you are in the project directory.'));
            console.log(chalk.gray('   The project directory should contain a pinme.toml file.'));
            console.log(chalk.gray('\n   Or specify the project name:'));
            console.log(chalk.gray('   cd /path/to/your-project'));
            console.log(chalk.gray('   pinme delete'));
            process.exit(1);
        }

        console.log(chalk.gray(`Project: ${projectName}`));
        console.log(chalk.gray(`Directory: ${process.cwd()}`));

        // Confirm deletion
        if (!options.force) {
            const answers = await inquirer.prompt([
                {
                    type: 'confirm',
                    name: 'confirm',
                    message: `Are you sure you want to delete project "${projectName}"? This will remove Worker, domain binding, and D1 database.`,
                    default: false,
                },
            ]);
            if (!answers.confirm) {
                console.log(chalk.gray('Cancelled.'));
                process.exit(0);
            }
        }

        // Call API to delete project
        console.log(chalk.blue('Deleting project on platform...'));
        const apiUrl = getPinmeApiUrl('/delete_project');
        console.log(chalk.gray(`API URL: ${apiUrl}`));
        console.log(chalk.gray(`Project name: ${projectName}`));

        const response = await axios.post(apiUrl, {
            project_name: projectName,
        }, {
            headers: {
                ...headers,
                'Content-Type': 'application/json',
            },
        }).catch((error) => {
            if (error.response) {
                console.log(chalk.red(`   Response status: ${error.response?.status}`));
                console.log(chalk.red(`   Response data: ${JSON.stringify(error.response?.data)}`));
            } else {
                console.log(chalk.red('No Response'))
            }
            throw error;
        });

        const data = response.data;

        if (data.code === 200) {
            void tracker.trackEvent(
                TRACK_EVENTS.projectDeleteSuccess,
                TRACK_PAGES.project,
                {
                    a: resolveTrackAction(TRACK_EVENTS.projectDeleteSuccess),
                    project_name: data.data.project_name,
                    domain_deleted: Boolean(data.data.domain_deleted),
                    worker_deleted: Boolean(data.data.worker_deleted),
                    database_deleted: Boolean(data.data.database_deleted),
                },
            );
            console.log(chalk.green('\n✅ Project deleted successfully!'));
            console.log(chalk.gray(`\nProject: ${data.data.project_name}`));
            console.log(chalk.gray(`   Domain deleted: ${data.data.domain_deleted ? '✅' : '❌'}`));
            console.log(chalk.gray(`   Worker deleted: ${data.data.worker_deleted ? '✅' : '❌'}`));
            console.log(chalk.gray(`   Database deleted: ${data.data.database_deleted ? '✅' : '❌'}`));

            console.log(chalk.gray('\nLocal files are kept unchanged.'));
        } else {
            const errorMsg = data?.msg || 'Failed to delete project';
            throw new Error(errorMsg);
        }

        process.exit(0);
    } catch (error: any) {
        void tracker.trackEvent(
            TRACK_EVENTS.projectDeleteFailed,
            TRACK_PAGES.project,
            {
                a: resolveTrackAction(TRACK_EVENTS.projectDeleteFailed),
                project_name: options.name || getProjectName() || undefined,
                force: Boolean(options.force),
                reason: getTrackErrorReason(error),
            },
        );
        console.log(chalk.red(error));
        const errorMsg = error.response?.data?.msg
            || error.message
            || 'Failed to delete project';
        console.error(chalk.red(`\n❌ Error: ${errorMsg}`));
        process.exit(1);
    }
}