import { buildDetailLinesForRequestType } from '../lib/requestTypeFields.js';

const PORTAL_BASE_URL = 'https://aeo.atlassian.net/servicedesk/customer/portal/135';

function getRequestTypeId(jiraTicket) {
    return jiraTicket.issue.fields?.customfield_10010?.requestType?.id;
}

function getRequestTypeLabel(jiraTicket) {
    const requestTypeField = jiraTicket.issue.fields?.customfield_10010;
    if (!requestTypeField) {
        return null;
    }
    return requestTypeField.errorMessage || requestTypeField.requestType?.name || null;
}

function buildHeaderBlocks(jiraTicket) {
    const issueKey = jiraTicket.issue.key;
    const blocks = [
        {
            type: 'TextBlock',
            text: `[${issueKey}](${PORTAL_BASE_URL}/${issueKey})`,
            wrap: true,
            weight: 'Bolder',
            size: 'Medium',
        },
        {
            type: 'TextBlock',
            text: jiraTicket.issue.fields.status.name,
            wrap: true,
            isSubtle: true,
            spacing: 'None',
        },
    ];

    const requestTypeLabel = getRequestTypeLabel(jiraTicket);
    if (requestTypeLabel) {
        blocks.push({
            type: 'TextBlock',
            text: `**Request Type:** ${requestTypeLabel}`,
            wrap: true,
            spacing: 'Medium',
        });
    }

    if (jiraTicket.issue.fields.summary) {
        blocks.push({
            type: 'TextBlock',
            text: `**Summary:** ${jiraTicket.issue.fields.summary}`,
            wrap: true,
            spacing: 'Small',
        });
    }

    return blocks;
}

function buildPlainTextHeader(jiraTicket) {
    const issueKey = jiraTicket.issue.key;
    let text = `[${issueKey}](${PORTAL_BASE_URL}/${issueKey})\n`;
    text += `${jiraTicket.issue.fields.status.name}\n`;

    const requestTypeLabel = getRequestTypeLabel(jiraTicket);
    if (requestTypeLabel) {
        text += `\n**Request Type:** ${requestTypeLabel}\n`;
    }
    if (jiraTicket.issue.fields.summary) {
        text += `**Summary:** ${jiraTicket.issue.fields.summary}\n`;
    }

    return text;
}

function buildDetailBlocks(detailLines) {
    if (!detailLines.length) {
        return [];
    }

    const blocks = [
        {
            type: 'TextBlock',
            text: 'Details',
            weight: 'Bolder',
            size: 'Medium',
            separator: true,
            spacing: 'Medium',
        },
    ];

    for (const line of detailLines) {
        blocks.push({
            type: 'TextBlock',
            text: line.label,
            weight: 'Bolder',
            spacing: 'Medium',
            wrap: true,
        });
        blocks.push({
            type: 'TextBlock',
            text: line.value,
            spacing: 'Small',
            wrap: true,
        });
    }

    return blocks;
}

function formatDetailLinesPlain(detailLines) {
    let text = '**Details:**\n';
    for (const line of detailLines) {
        text += `\n**${line.label}:**\n${line.value}\n`;
    }
    return text;
}

function buildFallbackChangeDetailLines(jiraTicket) {
    const lines = [];
    const fields = jiraTicket.issue.fields;

    if (fields.customfield_10080) {
        lines.push({ label: 'Risk', value: fields.customfield_10080.value });
    }
    if (fields.customfield_10004) {
        lines.push({ label: 'Impact', value: fields.customfield_10004.value });
    }
    if (fields.customfield_10256) {
        lines.push({ label: 'Business impact', value: fields.customfield_10256 });
    }
    if (fields.customfield_10252) {
        lines.push({ label: 'Business justification', value: fields.customfield_10252 });
    }
    if (fields.customfield_10257) {
        const changeDate = new Date(fields.customfield_10257).toLocaleDateString();
        const changeTime = new Date(fields.customfield_10257).toLocaleTimeString([], {
            hour: '2-digit',
            minute: '2-digit',
            hour12: true,
        });
        lines.push({ label: 'Implementation date', value: `${changeDate} ${changeTime}` });
    }

    return lines;
}

function buildCardPayload({ jiraTicket, detailLines = [], assignmentText = '' }) {
    const body = [
        ...buildHeaderBlocks(jiraTicket),
        ...buildDetailBlocks(detailLines),
    ];

    if (assignmentText.trim()) {
        body.push({
            type: 'TextBlock',
            text: assignmentText.trim(),
            wrap: true,
            separator: true,
            spacing: 'Medium',
        });
    }

    const requestCard = {
        type: 'AdaptiveCard',
        $schema: 'http://adaptivecards.io/schemas/adaptive-card.json',
        version: '1.2',
        body,
        actions: [
            {
                type: 'Action.OpenUrl',
                title: 'Open Request',
                url: `${PORTAL_BASE_URL}/${jiraTicket.issue.key}`,
            },
            {
                type: 'Action.Submit',
                title: 'Remove Card',
                style: 'destructive',
                data: { cardType: 'requestApproval', action: 'removeCard' },
            },
        ],
    };

    let requestText = buildPlainTextHeader(jiraTicket);
    if (detailLines.length) {
        requestText += `---\n${formatDetailLinesPlain(detailLines)}`;
    }
    if (assignmentText.trim()) {
        requestText += `---\n${assignmentText}`;
    }

    return { card: requestCard, message: requestText };
}

export function buildChangeApproval(jiraTicket, log) {
    return new Promise(function (resolve) {
        const requestTypeId = getRequestTypeId(jiraTicket);
        const detailLines = requestTypeId
            ? buildDetailLinesForRequestType(jiraTicket, requestTypeId)
            : buildFallbackChangeDetailLines(jiraTicket);

        log.logDebug('buildChangeApproval', `Built card for ${jiraTicket.issue.key}`);
        resolve(buildCardPayload({ jiraTicket, detailLines }));
    });
}

export function buildRequestApproval(jiraTicket) {
    return new Promise(function (resolve) {
        const requestTypeId = getRequestTypeId(jiraTicket);
        let detailLines = [];

        if (requestTypeId) {
            detailLines = buildDetailLinesForRequestType(jiraTicket, requestTypeId);
        } else if (jiraTicket.issue.fields.customfield_10314) {
            let person = `${jiraTicket.issue.fields.customfield_10346}, ${jiraTicket.issue.fields.customfield_10314}`;
            if (jiraTicket.issue.fields.customfield_10310) {
                person += ` (${jiraTicket.issue.fields.customfield_10310.value})`;
            }
            detailLines.push({ label: 'Person', value: person });
            if (jiraTicket.issue.fields.customfield_10318) {
                detailLines.push({
                    label: 'Position',
                    value: jiraTicket.issue.fields.customfield_10318,
                });
            }
        }

        let assignmentText = '';
        if (jiraTicket.issue.fields.reporter) {
            assignmentText += `**Reporter:** ${jiraTicket.issue.fields.reporter.displayName}\n`;
        }

        resolve(buildCardPayload({
            jiraTicket,
            detailLines,
            assignmentText,
        }));
    });
}