import type { Deploy, GitRef } from './config'

function cutString(s: string, sep: string): [string, string] {
    return [s.slice(0, s.indexOf(sep)), s.slice(s.indexOf(sep) + sep.length)]
}

function notEmpty(s: string, message: string) {
    if (s.trim().length === 0) {
        throw new Error(message)
    }

    return s
}

export function parseRef(form: Record<string, any>): GitRef {
    const type = form['deploy-ref-type']
    const value = form['deploy-ref-value']

    return type === 'default' ? { type } : { type, value }
}

export function parseDeploy(form: Record<string, any>): Deploy {
    const name = form['deploy-name']
    const type = form['deploy-type']

    if (type === 'docker') {
        // const url = notEmpty(form['deploy-url'], 'must provide an url')
        const containerName = form['deploy-options-name'] as string
        const image = notEmpty(form['deploy-options-image'], 'must provide an image name')
        const ports = form['deploy-options-ports'] as string
        const env = form['deploy-options-env'] as string
        const volumes = form['deploy-options-volumes'] as string

        return {
            name,
            type: 'docker',
            options: {
                image,
                name: containerName,
                env: Object.fromEntries(env.split(/\n/g).map(line => cutString(line.trim(), '='))),
                ports: ports.split(/\n/g).map(line => line.trim()),
                volumes: volumes.split(/\n/g).map(line => line.trim()),
            },
        }
    }

    if (type === 'shell') {
        const path = form['deploy-options-path'] as string
        const env = form['deploy-options-env'] as string

        const url = form['deploy-url'] as string
        const ref = parseRef(form)

        return {
            name,
            url,
            ref,
            type: 'shell',
            options: {
                path,
                env: Object.fromEntries(env.split(/\n/g).map(line => cutString(line.trim(), '='))),
            },
        }
    }

    if (type === 'dockerfile') {
        const url = form['deploy-url'] as string
        const ref = parseRef(form)

        const path = form['deploy-options-path'] as string
        const ports = form['deploy-options-ports'] as string
        const env = form['deploy-options-env'] as string
        const volumes = form['deploy-options-volumes'] as string

        return {
            name,
            url,
            ref,
            type: 'dockerfile',
            options: {
                path,
                env: Object.fromEntries(env.split(/\n/g).map(line => cutString(line.trim(), '='))),
                ports: ports.split(/\n/g).map(line => line.trim()),
                volumes: volumes.split(/\n/g).map(line => line.trim()),
            },
        }
    }

    if (type === 'docker-compose') {
        const url = form['deploy-url'] as string
        const ref = parseRef(form)

        const path = form['deploy-options-path'] as string

        return {
            name,
            url,
            ref,
            type: 'docker-compose',
            options: {
                path,
            },
        }
    }

    throw new Error('invalid deploy type')
}